From defd063140dfb56424a02237e27a16fdd4eafe34 Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Mon, 6 Jun 2022 21:53:38 +0200
Subject: [PATCH 01/25] Mapper Examples

---
 .../business/playlist/PlaylistService.java    | 23 ++++++-------
 .../business/student/StudentMapper.java       | 34 +++++++++++++++++++
 .../business/student/StudentsService.java     |  8 +++++
 .../controller/StudentsController.java        |  4 +++
 4 files changed, 57 insertions(+), 12 deletions(-)
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentMapper.java

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
index 6e0ad0b..dfca3ab 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
@@ -27,39 +27,39 @@ public class PlaylistService {
     VideoRepository videoRepository;
 
 
-    public void addPlaylist(PlaylistName playlistName){
+    public void addPlaylist(PlaylistName playlistName) {
 
         playlistNameRepository.save(playlistName);
     }
 
-    public void addVideo(PlaylistVideo playlistVideo){
+    public void addVideo(PlaylistVideo playlistVideo) {
 
         playlistVideoRepository.save(playlistVideo);
     }
 
-    public List<PlaylistName> listPlaylist(){
+    public List<PlaylistName> listPlaylist() {
         List<PlaylistName> listPlaylistName = playlistNameRepository.findAll();
         return listPlaylistName;
     }
 
-    public List<PlaylistName> sortPlaylist(){
+    public List<PlaylistName> sortPlaylist() {
         List<PlaylistName> listByPlaylistName = playlistNameRepository.findAll();
         List<PlaylistName> sortList = listByPlaylistName.stream().sorted(Comparator.comparing(PlaylistName::getPlaylistname)).collect(Collectors.toList());
         return sortList;
     }
 
-    public List<PlaylistVideo> listPlaylistVideo(){
+    public List<PlaylistVideo> listPlaylistVideo() {
         List<PlaylistVideo> listPlaylistVideo = playlistVideoRepository.findAll();
         return listPlaylistVideo;
     }
 
-        public String countPlaylist(String playlistName){
-        List<PlaylistVideo> listByPlaylistVideo =playlistVideoRepository.findByPlaylistName(playlistName);
+    public String countPlaylist(String playlistName) {
+        List<PlaylistVideo> listByPlaylistVideo = playlistVideoRepository.findByPlaylistName(playlistName);
 
         return "Number of videos inside playlist: " + listByPlaylistVideo.size();
     }
 
-    public String addVideoToPlaylist(String playlist, String videoName){
+    public String addVideoToPlaylist(String playlist, String videoName) {
 
         PlaylistName playlistName = playlistNameRepository.findOneByName(playlist);
         Video video = videoRepository.findOneByName(videoName);
@@ -71,7 +71,7 @@ public String addVideoToPlaylist(String playlist, String videoName){
         return "Success";
     }
 
-    public ListPlaylistByVideoNameAndChannelNameDto listByVideoNameAndChannelName (String videoName, String channelName){
+    public ListPlaylistByVideoNameAndChannelNameDto listByVideoNameAndChannelName(String videoName, String channelName) {
         List<PlaylistVideo> playlistVideos = playlistVideoRepository.findByVideoNameAndChannelName(videoName, channelName);
         ListPlaylistByVideoNameAndChannelNameDto listPlaylistByVideoNameAndChannelNameDtos = new ListPlaylistByVideoNameAndChannelNameDto();
         listPlaylistByVideoNameAndChannelNameDtos.setPlaylistName(playlistVideos.get(0).getPlaylistName().getPlaylistname());
@@ -80,12 +80,11 @@ public ListPlaylistByVideoNameAndChannelNameDto listByVideoNameAndChannelName (S
         return listPlaylistByVideoNameAndChannelNameDtos;
     }
 
-    public List<ListPlaylistByChannelDto> listPlaylistNameByChannelName(String channelName){
+    public List<ListPlaylistByChannelDto> listPlaylistNameByChannelName(String channelName) {
         List<PlaylistVideo> playlistVideos = playlistVideoRepository.findPlaylistNameByChannelName(channelName);
         ListPlaylistByChannelDto listPlaylistByChannelDto = new ListPlaylistByChannelDto();
         List<ListPlaylistByChannelDto> listPlaylistByChannelDtos = new ArrayList<>();
-        for (int i =0; i<playlistVideos.size(); i++)
-        {
+        for (int i = 0; i < playlistVideos.size(); i++) {
             listPlaylistByChannelDto.setPlaylistName(playlistVideos.get(i).getPlaylistName().getPlaylistname());
             listPlaylistByChannelDto.setChannelName(playlistVideos.get(i).getVideo().getChannel().getChannelName());
             listPlaylistByChannelDtos.add(listPlaylistByChannelDto);
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentMapper.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentMapper.java
new file mode 100644
index 0000000..4ef6b24
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentMapper.java
@@ -0,0 +1,34 @@
+package com.example.springKaiser.business.student;
+
+import com.example.springKaiser.entities.Students;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class StudentMapper {
+
+    StudentDto toDto(Students students) {
+        StudentDto studentDto = new StudentDto();
+        studentDto.setName(students.getName());
+        studentDto.setEmail(students.getEmail());
+        studentDto.setGradeId(students.getGrade().getId());
+        studentDto.setHomeGradeTeacherId(students.getHomeGradeTeacher().getId());
+        return studentDto;
+    }
+
+    List<StudentDto> toList(List<Students> studentsList) {
+        List<StudentDto> studentDtoList = new ArrayList<>();
+        //Same as below
+//        for (Students studentElement : studentsList){
+//            studentDtoList.add(toDto(studentElement));
+//        }
+
+        for (int i = 0; i < studentsList.size(); i++) {
+            StudentDto studentDto = toDto(studentsList.get(i));
+            studentDtoList.add(studentDto);
+        }
+        return studentDtoList;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentsService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentsService.java
index f576df4..83a0381 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentsService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentsService.java
@@ -31,6 +31,9 @@ public class StudentsService {
     @Autowired
     TeacherRepository teacherRepository;
 
+    @Autowired
+    StudentMapper studentMapper;
+
     final int gradeOne = 1;
 
     public String saveStudentOnGrade(){
@@ -87,6 +90,11 @@ public List<Students> listStudents() {
         return listStudents;
     }
 
+    public List<StudentDto> getListOfStudents() {
+        List<StudentDto> studentsDtos = studentMapper.toList(studentsRepository.findAll());
+        return studentsDtos;
+    }
+
     public List<Students> listStudentsByGrade(int studentGrade) {
         List<Students> studentsOnThatSpecificGrade = new ArrayList<>();
         for(Students student : listStudents()) {
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/StudentsController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/StudentsController.java
index aad3ac9..dd5b32a 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/StudentsController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/StudentsController.java
@@ -61,5 +61,9 @@ public String addStudents(@RequestBody StudentDto studentDto) {
         return studentsService.saveStudent(studentDto);
     }
 
+    @GetMapping("/getStudentDtoList")
+    public List<StudentDto> getStudentsDtos() {
+        return studentsService.getListOfStudents();
+    }
 
 }
\ No newline at end of file

From 010b6747385d91bb1dbebcfcc0b94567cc2e6870 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Mon, 6 Jun 2022 22:15:01 +0200
Subject: [PATCH 02/25] List object reference

---
 .../business/playlist/PlaylistService.java        | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
index 6e0ad0b..3303ab2 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
@@ -82,12 +82,19 @@ public ListPlaylistByVideoNameAndChannelNameDto listByVideoNameAndChannelName (S
 
     public List<ListPlaylistByChannelDto> listPlaylistNameByChannelName(String channelName){
         List<PlaylistVideo> playlistVideos = playlistVideoRepository.findPlaylistNameByChannelName(channelName);
-        ListPlaylistByChannelDto listPlaylistByChannelDto = new ListPlaylistByChannelDto();
         List<ListPlaylistByChannelDto> listPlaylistByChannelDtos = new ArrayList<>();
-        for (int i =0; i<playlistVideos.size(); i++)
+//        for (int i =0; i<playlistVideos.size(); i++)
+//        {
+//            ListPlaylistByChannelDto listPlaylistByChannelDto = new ListPlaylistByChannelDto();
+//            listPlaylistByChannelDto.setPlaylistName(playlistVideos.get(i).getPlaylistName().getPlaylistname());
+//            listPlaylistByChannelDto.setChannelName(playlistVideos.get(i).getVideo().getChannel().getChannelName());
+//            listPlaylistByChannelDtos.add(listPlaylistByChannelDto);
+//        }
+        for (PlaylistVideo playlistVideoIterator: playlistVideos)
         {
-            listPlaylistByChannelDto.setPlaylistName(playlistVideos.get(i).getPlaylistName().getPlaylistname());
-            listPlaylistByChannelDto.setChannelName(playlistVideos.get(i).getVideo().getChannel().getChannelName());
+            ListPlaylistByChannelDto listPlaylistByChannelDto = new ListPlaylistByChannelDto();
+            listPlaylistByChannelDto.setPlaylistName(playlistVideoIterator.getPlaylistName().getPlaylistname());
+            listPlaylistByChannelDto.setChannelName(playlistVideoIterator.getVideo().getChannel().getChannelName());
             listPlaylistByChannelDtos.add(listPlaylistByChannelDto);
         }
         return listPlaylistByChannelDtos;

From 4abf0adff65608baadd7d37fb64b15df2ed27b28 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Mon, 6 Jun 2022 22:20:54 +0200
Subject: [PATCH 03/25] List object reference

---
 .../example/springKaiser/business/playlist/PlaylistService.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
index 3303ab2..e413cbc 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
@@ -96,6 +96,7 @@ public List<ListPlaylistByChannelDto> listPlaylistNameByChannelName(String chann
             listPlaylistByChannelDto.setPlaylistName(playlistVideoIterator.getPlaylistName().getPlaylistname());
             listPlaylistByChannelDto.setChannelName(playlistVideoIterator.getVideo().getChannel().getChannelName());
             listPlaylistByChannelDtos.add(listPlaylistByChannelDto);
+
         }
         return listPlaylistByChannelDtos;
     }

From 57930fc2ecc8a473fc1a138c27dc7407cb263a2a Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Tue, 11 Oct 2022 05:52:46 +0200
Subject: [PATCH 04/25] Student Refactoring

---
 .../SOLID/OpenClosedPrinciple/BetterFilter.java    |  2 +-
 .../OpenClosedPrinciple/EmailSpecification.java    |  2 +-
 .../OpenClosedPrinciple/NameSpecification.java     |  2 +-
 .../YoutubeFeedManagerApplication.java             | 10 ++--------
 .../controller/SubscriberController.java           |  2 --
 .../Repository}/GradeRepository.java               |  4 ++--
 .../Repository}/StudentsRepository.java            |  7 ++-----
 .../Repository}/TeacherRepository.java             |  4 ++--
 .../controller/StudentsController.java             | 11 +++++------
 .../springKaiser/{ => school}/entities/Grades.java |  2 +-
 .../{ => school}/entities/Students.java            |  2 +-
 .../{ => school}/entities/Teachers.java            |  2 +-
 .../{business => school}/student/StudentDto.java   |  2 +-
 .../student/StudentsService.java                   | 14 +++++++-------
 .../Service/StudentSpecificationServiceTest.java   |  6 +-----
 15 files changed, 28 insertions(+), 44 deletions(-)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{repositories => school/Repository}/GradeRepository.java (56%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{repositories => school/Repository}/StudentsRepository.java (73%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{repositories => school/Repository}/TeacherRepository.java (56%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{ => school}/controller/StudentsController.java (83%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{ => school}/entities/Grades.java (93%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{ => school}/entities/Students.java (96%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{ => school}/entities/Teachers.java (94%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{business => school}/student/StudentDto.java (93%)
 rename backend/kaiser/src/main/java/com/example/springKaiser/{business => school}/student/StudentsService.java (88%)

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/BetterFilter.java b/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/BetterFilter.java
index 93818da..e24f6f7 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/BetterFilter.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/BetterFilter.java
@@ -1,6 +1,6 @@
 package com.example.springKaiser.SOLID.OpenClosedPrinciple;
 
-import com.example.springKaiser.entities.Students;
+import com.example.springKaiser.school.entities.Students;
 
 import java.util.List;
 import java.util.stream.Stream;
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/EmailSpecification.java b/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/EmailSpecification.java
index 74162c8..fefae16 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/EmailSpecification.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/EmailSpecification.java
@@ -1,6 +1,6 @@
 package com.example.springKaiser.SOLID.OpenClosedPrinciple;
 
-import com.example.springKaiser.entities.Students;
+import com.example.springKaiser.school.entities.Students;
 
 public class EmailSpecification implements Specification<Students> {
 
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/NameSpecification.java b/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/NameSpecification.java
index aed4339..09226e6 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/NameSpecification.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/NameSpecification.java
@@ -1,6 +1,6 @@
 package com.example.springKaiser.SOLID.OpenClosedPrinciple;
 
-import com.example.springKaiser.entities.Students;
+import com.example.springKaiser.school.entities.Students;
 
 public class NameSpecification implements Specification<Students> {
 
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/YoutubeFeedManagerApplication.java b/backend/kaiser/src/main/java/com/example/springKaiser/YoutubeFeedManagerApplication.java
index 4e2fe3d..b27ac2f 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/YoutubeFeedManagerApplication.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/YoutubeFeedManagerApplication.java
@@ -1,18 +1,12 @@
 package com.example.springKaiser;
 
-import com.example.springKaiser.entities.Students;
-import com.example.springKaiser.entities.Subscriber;
-import com.example.springKaiser.entities.Video;
-import com.example.springKaiser.repositories.*;
+import com.example.springKaiser.school.Repository.GradeRepository;
+import com.example.springKaiser.school.Repository.TeacherRepository;
 import lombok.Builder;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.ApplicationRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
-import org.springframework.context.annotation.Bean;
-
-import java.util.stream.Stream;
 
 @SpringBootApplication(exclude = { SecurityAutoConfiguration.class })
 @Builder
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/SubscriberController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/SubscriberController.java
index 96611b5..dfa4d37 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/SubscriberController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/SubscriberController.java
@@ -1,10 +1,8 @@
 package com.example.springKaiser.controller;
 
-import com.example.springKaiser.entities.Students;
 import com.example.springKaiser.entities.Subscriber;
 import com.example.springKaiser.repositories.SubscriberRepository;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/GradeRepository.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/GradeRepository.java
similarity index 56%
rename from backend/kaiser/src/main/java/com/example/springKaiser/repositories/GradeRepository.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/GradeRepository.java
index 8616485..5b23d28 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/GradeRepository.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/GradeRepository.java
@@ -1,6 +1,6 @@
-package com.example.springKaiser.repositories;
+package com.example.springKaiser.school.Repository;
 
-import com.example.springKaiser.entities.Grades;
+import com.example.springKaiser.school.entities.Grades;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface GradeRepository  extends JpaRepository<Grades, Integer> {
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/StudentsRepository.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/StudentsRepository.java
similarity index 73%
rename from backend/kaiser/src/main/java/com/example/springKaiser/repositories/StudentsRepository.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/StudentsRepository.java
index f1e1f55..dc7fae4 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/StudentsRepository.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/StudentsRepository.java
@@ -1,12 +1,9 @@
-package com.example.springKaiser.repositories;
+package com.example.springKaiser.school.Repository;
 
-import com.example.springKaiser.entities.Students;
-import com.example.springKaiser.entities.Teachers;
+import com.example.springKaiser.school.entities.Students;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.Query;
 
 import java.util.List;
-import java.util.Optional;
 
 //Repositories manage the persisting (Saving) of data into our databases
 
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TeacherRepository.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/TeacherRepository.java
similarity index 56%
rename from backend/kaiser/src/main/java/com/example/springKaiser/repositories/TeacherRepository.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/TeacherRepository.java
index cd74f7d..3c00cd7 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TeacherRepository.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/Repository/TeacherRepository.java
@@ -1,6 +1,6 @@
-package com.example.springKaiser.repositories;
+package com.example.springKaiser.school.Repository;
 
-import com.example.springKaiser.entities.Teachers;
+import com.example.springKaiser.school.entities.Teachers;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface TeacherRepository  extends JpaRepository<Teachers, Integer> {
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/StudentsController.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/StudentsController.java
similarity index 83%
rename from backend/kaiser/src/main/java/com/example/springKaiser/controller/StudentsController.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/controller/StudentsController.java
index aad3ac9..9966b57 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/StudentsController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/StudentsController.java
@@ -1,11 +1,10 @@
-package com.example.springKaiser.controller;
+package com.example.springKaiser.school.controller;
 
-import com.example.springKaiser.business.student.StudentDto;
-import com.example.springKaiser.business.student.StudentsService;
-import com.example.springKaiser.entities.Students;
-import com.example.springKaiser.repositories.StudentsRepository;
+import com.example.springKaiser.school.student.StudentDto;
+import com.example.springKaiser.school.student.StudentsService;
+import com.example.springKaiser.school.entities.Students;
+import com.example.springKaiser.school.Repository.StudentsRepository;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.repository.query.Param;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/entities/Grades.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Grades.java
similarity index 93%
rename from backend/kaiser/src/main/java/com/example/springKaiser/entities/Grades.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Grades.java
index 5712dab..555950e 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/entities/Grades.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Grades.java
@@ -1,4 +1,4 @@
-package com.example.springKaiser.entities;
+package com.example.springKaiser.school.entities;
 
 import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/entities/Students.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Students.java
similarity index 96%
rename from backend/kaiser/src/main/java/com/example/springKaiser/entities/Students.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Students.java
index 1cf4649..5bea714 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/entities/Students.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Students.java
@@ -1,4 +1,4 @@
-package com.example.springKaiser.entities;
+package com.example.springKaiser.school.entities;
 
 import jakarta.persistence.*;
 import lombok.Data;
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/entities/Teachers.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Teachers.java
similarity index 94%
rename from backend/kaiser/src/main/java/com/example/springKaiser/entities/Teachers.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Teachers.java
index 9229bbc..f12c142 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/entities/Teachers.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/entities/Teachers.java
@@ -1,4 +1,4 @@
-package com.example.springKaiser.entities;
+package com.example.springKaiser.school.entities;
 
 import jakarta.persistence.*;
 
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentDto.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentDto.java
similarity index 93%
rename from backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentDto.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentDto.java
index 4bda3ca..5add4b1 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentDto.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentDto.java
@@ -1,4 +1,4 @@
-package com.example.springKaiser.business.student;
+package com.example.springKaiser.school.student;
 
 public class StudentDto {
 
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentsService.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentsService.java
similarity index 88%
rename from backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentsService.java
rename to backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentsService.java
index f576df4..b2dd92d 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/student/StudentsService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentsService.java
@@ -1,12 +1,12 @@
-package com.example.springKaiser.business.student;
+package com.example.springKaiser.school.student;
 
 
-import com.example.springKaiser.entities.Grades;
-import com.example.springKaiser.entities.Students;
-import com.example.springKaiser.entities.Teachers;
-import com.example.springKaiser.repositories.GradeRepository;
-import com.example.springKaiser.repositories.StudentsRepository;
-import com.example.springKaiser.repositories.TeacherRepository;
+import com.example.springKaiser.school.entities.Grades;
+import com.example.springKaiser.school.entities.Students;
+import com.example.springKaiser.school.entities.Teachers;
+import com.example.springKaiser.school.Repository.GradeRepository;
+import com.example.springKaiser.school.Repository.StudentsRepository;
+import com.example.springKaiser.school.Repository.TeacherRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
diff --git a/backend/kaiser/src/test/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/Service/StudentSpecificationServiceTest.java b/backend/kaiser/src/test/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/Service/StudentSpecificationServiceTest.java
index 8247ce7..cb8f915 100644
--- a/backend/kaiser/src/test/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/Service/StudentSpecificationServiceTest.java
+++ b/backend/kaiser/src/test/java/com/example/springKaiser/SOLID/OpenClosedPrinciple/Service/StudentSpecificationServiceTest.java
@@ -2,19 +2,15 @@
 
 import com.example.springKaiser.SOLID.OpenClosedPrinciple.BetterFilter;
 import com.example.springKaiser.SOLID.OpenClosedPrinciple.NameSpecification;
-import com.example.springKaiser.entities.Students;
+import com.example.springKaiser.school.entities.Students;
 import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
-import java.util.stream.Stream;
 
-import static org.mockito.Mockito.when;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import static org.junit.jupiter.api.Assertions.*;
-
 class StudentSpecificationServiceTest {
 
     @Test

From 4fca96d9d456789da004fa9296732d78c2bc2e9d Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Tue, 11 Oct 2022 06:15:09 +0200
Subject: [PATCH 05/25] Student Refactoring- fix student mapper

---
 .../school/student/StudentMapper.java         | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
new file mode 100644
index 0000000..b76c62d
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
@@ -0,0 +1,35 @@
+package com.example.springKaiser.school.student;
+
+
+import com.example.springKaiser.school.entities.Students;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class StudentMapper {
+
+    StudentDto toDto(Students students) {
+        StudentDto studentDto = new StudentDto();
+        studentDto.setName(students.getName());
+        studentDto.setEmail(students.getEmail());
+        studentDto.setGradeId(students.getGrade().getId());
+        studentDto.setHomeGradeTeacherId(students.getHomeGradeTeacher().getId());
+        return studentDto;
+    }
+
+    List<StudentDto> toList(List<Students> studentsList) {
+        List<StudentDto> studentDtoList = new ArrayList<>();
+        //Same as below
+//        for (Students studentElement : studentsList){
+//            studentDtoList.add(toDto(studentElement));
+//        }
+
+        for (int i = 0; i < studentsList.size(); i++) {
+            StudentDto studentDto = toDto(studentsList.get(i));
+            studentDtoList.add(studentDto);
+        }
+        return studentDtoList;
+    }
+}
\ No newline at end of file

From 784612f05301f862ccbfdf0550c239417e94458a Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Tue, 11 Oct 2022 06:31:35 +0200
Subject: [PATCH 06/25] Student Refactoring- fix student mapper

---
 .../com/example/springKaiser/school/student/StudentMapper.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
index b76c62d..0477582 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
@@ -1,7 +1,8 @@
 package com.example.springKaiser.school.student;
 
 
-import com.example.springKaiser.school.entities.Students;
+import com.example.springKaiser.business.student.StudentDto;
+import com.example.springKaiser.entities.Students;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;

From 37467484d48676e1f4335c282c2012b9469f0101 Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Tue, 11 Oct 2022 06:35:01 +0200
Subject: [PATCH 07/25] Student Refactoring- fix student mapper

---
 backend/kaiser/pom.xml                                     | 7 ++++++-
 .../example/springKaiser/school/student/StudentMapper.java | 4 +---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/backend/kaiser/pom.xml b/backend/kaiser/pom.xml
index af32153..0e7160a 100644
--- a/backend/kaiser/pom.xml
+++ b/backend/kaiser/pom.xml
@@ -53,7 +53,12 @@
 			<artifactId>postgresql</artifactId>
 			<version>42.2.5</version>
 		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 
 	<build>
 		<plugins>
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
index 0477582..7e683fa 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/student/StudentMapper.java
@@ -1,8 +1,6 @@
 package com.example.springKaiser.school.student;
 
-
-import com.example.springKaiser.business.student.StudentDto;
-import com.example.springKaiser.entities.Students;
+import com.example.springKaiser.school.entities.Students;
 import org.springframework.stereotype.Service;
 
 import java.util.ArrayList;

From 3a8403099a5f5b5c95bde6e2d725a1d01bcd3e3a Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Thu, 13 Oct 2022 06:13:22 +0200
Subject: [PATCH 08/25] Adding a unit test for VideoService

---
 .../business/video/VideoServiceTest.java      | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java

diff --git a/backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java b/backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java
new file mode 100644
index 0000000..c42a855
--- /dev/null
+++ b/backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java
@@ -0,0 +1,53 @@
+package com.example.springKaiser.business.video;
+
+import com.example.springKaiser.entities.Video;
+import com.example.springKaiser.repositories.VideoRepository;
+import org.junit.Assert;
+import org.junit.jupiter.api.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+class VideoServiceTest {
+
+    @Autowired
+    VideoService videoService;
+
+    //Mock data (in this case VideoRepository), so we can call it when we call the service.
+    @MockBean
+    VideoRepository videoRepository;
+
+    @Test
+    void listVideoTest() {
+        //Unit test layout: When, Call Service, Assert/Test
+
+        //When
+        List<Video> videoListExample = new ArrayList<>();
+        Video video = new Video();
+        video.setName("Test1");
+        videoListExample.add(video);
+        Mockito.when(videoRepository.findAll()).thenReturn(videoListExample);
+
+        //Call Service
+        List<Video> testResult = videoService.listVideo();
+
+        //Assert/Test
+        //Expected Result, then Value we're receiving
+        //"Test1" .equals testResult.get(0).getName()
+
+        //Below are a couple ways to use asserts:
+        //This way checks if a condition is true
+        Assert.assertTrue(("Test1").equals(testResult.get(0).getName()));
+        //This way compares to strings/objects
+        Assert.assertEquals("Test1",testResult.get(0).getName());
+
+    }
+}
\ No newline at end of file

From 772222443d77e2eb6c94a888a08ab27b516be408 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Fri, 4 Nov 2022 05:47:50 +0200
Subject: [PATCH 09/25] More mappers

---
 .../joinvideoandtag/JoinVideoAndTagDto.java   |  22 +++
 .../JoinVideoAndTagMapper.java                |   4 +
 .../JoinVideoAndTagService.java               |  27 ++++
 .../business/playlist/PlaylistService.java    |   1 -
 .../springKaiser/business/tags/TagDto.java    |  13 ++
 .../springKaiser/business/tags/TagMapper.java |   4 +
 .../business/tags/TagService.java             |  23 ++++
 .../business/video/VideoService.java          |  12 +-
 .../controller/JoinVideoAndTagController.java |  24 ++++
 .../controller/PlaylistController.java        |   6 +-
 .../controller/TagController.java             |  14 ++
 .../entities/JoinVideoAndTag.java             |  54 ++++++++
 .../example/springKaiser/entities/Tags.java   |  38 ++++++
 .../JoinVideoAndTagRepository.java            |  10 ++
 .../repositories/TagRepository.java           |  13 ++
 .../db/changelog/changelog_master.yaml        |   6 +-
 .../db/changelog/scripts/20_tags.sql          |  28 ++++
 .../db/changelog/scripts/21_add_data.sql      |   8 ++
 .../playlist/PlaylistServiceTest.java         | 127 ++++++++++++++++++
 .../business/video/VideoServiceTest.java      |  65 +++++++++
 20 files changed, 493 insertions(+), 6 deletions(-)
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagDto.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagMapper.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagDto.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagMapper.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/entities/JoinVideoAndTag.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/entities/Tags.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java
 create mode 100644 backend/kaiser/src/main/resources/db/changelog/scripts/20_tags.sql
 create mode 100644 backend/kaiser/src/main/resources/db/changelog/scripts/21_add_data.sql
 create mode 100644 backend/kaiser/src/test/java/com/example/springKaiser/business/playlist/PlaylistServiceTest.java

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagDto.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagDto.java
new file mode 100644
index 0000000..f916a54
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagDto.java
@@ -0,0 +1,22 @@
+package com.example.springKaiser.business.joinvideoandtag;
+
+public class JoinVideoAndTagDto {
+    private int tagId;
+    private int videoId;
+
+    public int getTagId() {
+        return tagId;
+    }
+
+    public void setTagId(int tagId) {
+        this.tagId = tagId;
+    }
+
+    public int getVideoId() {
+        return videoId;
+    }
+
+    public void setVideoId(int videoId) {
+        this.videoId = videoId;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagMapper.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagMapper.java
new file mode 100644
index 0000000..bcc0b6a
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagMapper.java
@@ -0,0 +1,4 @@
+package com.example.springKaiser.business.joinvideoandtag;
+
+public class JoinVideoAndTagMapper {
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java
new file mode 100644
index 0000000..32109fc
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java
@@ -0,0 +1,27 @@
+package com.example.springKaiser.business.joinvideoandtag;
+
+import com.example.springKaiser.entities.JoinVideoAndTag;
+import com.example.springKaiser.repositories.JoinVideoAndTagRepository;
+import com.example.springKaiser.repositories.TagRepository;
+import com.example.springKaiser.repositories.VideoRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class JoinVideoAndTagService {
+    @Autowired
+    TagRepository tagRepository;
+
+    @Autowired
+    VideoRepository videoRepository;
+
+    @Autowired
+    JoinVideoAndTagRepository joinVideoAndTagRepository;
+
+    public List<JoinVideoAndTag> listVideoAndTag(){
+        List<JoinVideoAndTag> listVideoAndTag = joinVideoAndTagRepository.findAll();
+        return listVideoAndTag;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
index 4e5f779..dfca3ab 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
@@ -88,7 +88,6 @@ public List<ListPlaylistByChannelDto> listPlaylistNameByChannelName(String chann
             listPlaylistByChannelDto.setPlaylistName(playlistVideos.get(i).getPlaylistName().getPlaylistname());
             listPlaylistByChannelDto.setChannelName(playlistVideos.get(i).getVideo().getChannel().getChannelName());
             listPlaylistByChannelDtos.add(listPlaylistByChannelDto);
-
         }
         return listPlaylistByChannelDtos;
     }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagDto.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagDto.java
new file mode 100644
index 0000000..c6394ea
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagDto.java
@@ -0,0 +1,13 @@
+package com.example.springKaiser.business.tags;
+
+public class TagDto {
+    private String tagName;
+
+    public String getTagName() {
+        return tagName;
+    }
+
+    public void setTagName(String tagName) {
+        this.tagName = tagName;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagMapper.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagMapper.java
new file mode 100644
index 0000000..e6110d7
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagMapper.java
@@ -0,0 +1,4 @@
+package com.example.springKaiser.business.tags;
+
+public class TagMapper {
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java
new file mode 100644
index 0000000..b1d935a
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java
@@ -0,0 +1,23 @@
+package com.example.springKaiser.business.tags;
+
+import com.example.springKaiser.entities.Video;
+import com.example.springKaiser.repositories.TagRepository;
+import com.example.springKaiser.entities.Tags;
+import com.example.springKaiser.repositories.VideoRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+public class TagService {
+    @Autowired
+    TagRepository tagRepository;
+
+    @Autowired
+    VideoRepository videoRepository;
+
+//    search videoName, if exists, load tagDetails, convert tagDetails to string object, add extra tag to string object, save back into object and database
+//    public String addTagToVideo(String tagName, String videoName){
+//        Video video = videoRepository.findOneByName(videoName);
+//
+//        return "Success";
+//    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
index fe7e350..585caf9 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
@@ -40,7 +40,7 @@ public List<Video> listVideo() {
         return listVideo;
     }
 
-//    Homework
+//        Homework
     public List<VideoDto> listVideoDto() {
 //        List<VideoDto> videoDtoList = videoRepository.findAll().stream().map(this::convertDto).collect(Collectors.toList());
 //        return  videoDtoList;
@@ -50,7 +50,13 @@ public List<VideoDto> listVideoDto() {
 //            videoEntry.setLikes(9);
 //            return convertDto(videoEntry);
 //        }).collect(Collectors.toList());
-        return ((List<Video>) videoRepository.findAll()).stream().map(this::convertDto).collect(Collectors.toList());
+//        return ((List<Video>) videoRepository.findAll()).stream().map(this::convertDto).collect(Collectors.toList());
+        List<VideoDto> videoDtoList = new ArrayList<>();
+        List<Video> videoListFromRepository = videoRepository.findAll();
+        for (Video videoList : videoListFromRepository) {
+            videoDtoList.add(this.convertDto(videoList));
+        }
+        return videoDtoList;
     }
 
 //Homework
@@ -60,7 +66,7 @@ private VideoDto convertDto(Video video){
         dto.setComments(video.getComments());
         dto.setLikes(video.getLikes());
         dto.setViews(video.getViews());
-        Channel channel = channelRepository.findById(video.getChannel().getId()).get();
+//        Channel channel = channelRepository.findById(video.getChannel().getId()).get();
         dto.setChannelId(video.getChannel().getId());
         return dto;
     }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java
new file mode 100644
index 0000000..5ba159a
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java
@@ -0,0 +1,24 @@
+package com.example.springKaiser.controller;
+
+import com.example.springKaiser.business.joinvideoandtag.JoinVideoAndTagService;
+import com.example.springKaiser.entities.JoinVideoAndTag;
+import com.example.springKaiser.repositories.JoinVideoAndTagRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class JoinVideoAndTagController {
+    @Autowired
+    JoinVideoAndTagRepository joinVideoAndTagRepository;
+
+    @Autowired
+    JoinVideoAndTagService joinVideoAndTagService;
+
+    @GetMapping("/listVideoAndTag")
+    public List<JoinVideoAndTag> listJoinVideoAndTag(){
+        return joinVideoAndTagService.listVideoAndTag();
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/PlaylistController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/PlaylistController.java
index d05696c..617c87f 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/PlaylistController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/PlaylistController.java
@@ -46,6 +46,11 @@ public List<PlaylistName> listPlaylist(){
         return playlistService.listPlaylist();
     }
 
+    @GetMapping("/listPlaylistVideo")
+    public List<PlaylistVideo> listPlaylistVideo(){
+        return playlistService.listPlaylistVideo();
+    }
+
     @GetMapping("/findPlaylist/{playlistName}")
     public String playlistNames(@PathVariable String playlistName){
         return playlistService.countPlaylist(playlistName);
@@ -63,7 +68,6 @@ public ListPlaylistByVideoNameAndChannelNameDto listPlaylistByVideoNameAndChanne
 
     @GetMapping("/findPlaylistByChannelName/{channelName}")
     public List<ListPlaylistByChannelDto> playlistNameByChannelName(@PathVariable String channelName){
-
         return playlistService.listPlaylistNameByChannelName(channelName);
     }
 }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java
new file mode 100644
index 0000000..ee537cb
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java
@@ -0,0 +1,14 @@
+package com.example.springKaiser.controller;
+
+import com.example.springKaiser.entities.Tags;
+import com.example.springKaiser.repositories.TagRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class TagController {
+
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/entities/JoinVideoAndTag.java b/backend/kaiser/src/main/java/com/example/springKaiser/entities/JoinVideoAndTag.java
new file mode 100644
index 0000000..c030979
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/entities/JoinVideoAndTag.java
@@ -0,0 +1,54 @@
+package com.example.springKaiser.entities;
+
+import jakarta.persistence.*;
+import lombok.Data;
+
+@Data
+@Entity
+@Table(name = "joinvideoandtagtable", schema = "public")
+
+public class JoinVideoAndTag {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @ManyToOne
+    @JoinColumn(name = "tagid")
+    private Tags tag;
+
+    @ManyToOne
+    @JoinColumn(name = "videoid")
+    private Video video;
+
+    public JoinVideoAndTag(){}
+
+    public JoinVideoAndTag(Integer id, Tags tag, Video video) {
+        this.id = id;
+        this.tag = tag;
+        this.video = video;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Tags getTag() {
+        return tag;
+    }
+
+    public void setTag(Tags tag) {
+        this.tag = tag;
+    }
+
+    public Video getVideo() {
+        return video;
+    }
+
+    public void setVideo(Video video) {
+        this.video = video;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/entities/Tags.java b/backend/kaiser/src/main/java/com/example/springKaiser/entities/Tags.java
new file mode 100644
index 0000000..05c12ec
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/entities/Tags.java
@@ -0,0 +1,38 @@
+package com.example.springKaiser.entities;
+
+import jakarta.persistence.*;
+import lombok.Data;
+
+@Data
+@Entity
+@Table(name = "tagtable", schema = "public")
+public class Tags {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String tagname;
+
+    public Tags(){}
+
+    public Tags(Integer id, String tagname) {
+        this.id = id;
+        this.tagname = tagname;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getTagName() {
+        return tagname;
+    }
+
+    public void setTagName(String tagname) {
+        this.tagname = tagname;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java
new file mode 100644
index 0000000..7a08f24
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java
@@ -0,0 +1,10 @@
+package com.example.springKaiser.repositories;
+import com.example.springKaiser.entities.JoinVideoAndTag;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+//public interface JoinVideoAndTagRepository{
+//
+//}
+public interface JoinVideoAndTagRepository extends JpaRepository<JoinVideoAndTag, Integer>{
+
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java
new file mode 100644
index 0000000..cc0307d
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java
@@ -0,0 +1,13 @@
+package com.example.springKaiser.repositories;
+
+import com.example.springKaiser.entities.Tags;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+
+//public interface TagRepository {
+//
+//}
+public interface TagRepository extends JpaRepository<Tags, Integer> {
+
+}
\ No newline at end of file
diff --git a/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml b/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml
index 39a86fa..8fce85d 100644
--- a/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml
+++ b/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml
@@ -38,4 +38,8 @@ databaseChangeLog:
               - include:
                   file: classpath:db/changelog/scripts/18_playlist.sql
               - include:
-                  file: classpath:db/changelog/scripts/19_extra_channel_data.sql
\ No newline at end of file
+                  file: classpath:db/changelog/scripts/19_extra_channel_data.sql
+              - include:
+                  file: classpath:db/changelog/scripts/20_tags.sql
+              - include:
+                  file: classpath:db/changelog/scripts/21_add_data.sql
\ No newline at end of file
diff --git a/backend/kaiser/src/main/resources/db/changelog/scripts/20_tags.sql b/backend/kaiser/src/main/resources/db/changelog/scripts/20_tags.sql
new file mode 100644
index 0000000..f0810b5
--- /dev/null
+++ b/backend/kaiser/src/main/resources/db/changelog/scripts/20_tags.sql
@@ -0,0 +1,28 @@
+CREATE TABLE if not exists tagTable (
+    id INT,
+    tagName VARCHAR,
+    PRIMARY KEY (id)
+);
+
+create sequence if not exists tag_id_seq;
+
+alter table tagTable alter column id set default nextval('tag_id_seq');
+
+INSERT INTO tagTable(tagName)
+    VALUES
+        ('Music'),
+        ('FPS'),
+        ('Video Game'),
+        ('Anime'),
+        ('RPG');
+
+CREATE TABLE if not exists joinvideoandtagtable (
+    id INT,
+    tagId INT,
+    videoId INT,
+    PRIMARY KEY (id)
+);
+
+create sequence if not exists videotag_id_seq;
+
+alter table joinvideoandtagtable alter column id set default nextval('videotag_id_seq');
\ No newline at end of file
diff --git a/backend/kaiser/src/main/resources/db/changelog/scripts/21_add_data.sql b/backend/kaiser/src/main/resources/db/changelog/scripts/21_add_data.sql
new file mode 100644
index 0000000..27c0c04
--- /dev/null
+++ b/backend/kaiser/src/main/resources/db/changelog/scripts/21_add_data.sql
@@ -0,0 +1,8 @@
+INSERT INTO joinvideoandtagtable(tagId, videoId)
+    VALUES
+        (1, 1),
+        (2, 2),
+        (3, 3),
+        (4, 4),
+        (5, 5),
+        (5, 6);
\ No newline at end of file
diff --git a/backend/kaiser/src/test/java/com/example/springKaiser/business/playlist/PlaylistServiceTest.java b/backend/kaiser/src/test/java/com/example/springKaiser/business/playlist/PlaylistServiceTest.java
new file mode 100644
index 0000000..7821f08
--- /dev/null
+++ b/backend/kaiser/src/test/java/com/example/springKaiser/business/playlist/PlaylistServiceTest.java
@@ -0,0 +1,127 @@
+package com.example.springKaiser.business.playlist;
+
+import com.example.springKaiser.entities.PlaylistName;
+import com.example.springKaiser.repositories.PlaylistNameRepository;
+import com.example.springKaiser.repositories.PlaylistVideoRepository;
+import org.junit.Assert;
+import org.junit.jupiter.api.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.beans.factory.annotation.Autowired;
+import com.example.springKaiser.entities.PlaylistVideo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+class PlaylistServiceTest {
+
+    @Autowired
+    PlaylistService playlistService;
+
+    @MockBean
+    PlaylistVideoRepository playlistVideoRepository;
+
+    @MockBean
+    PlaylistNameRepository playlistNameRepository;
+
+    @Test
+    void listPlaylist() {
+        List<PlaylistName> playlistNameExample = new ArrayList<>();
+        PlaylistName playlistName = new PlaylistName();
+        playlistName.setPlaylistname("playlisttest1");
+        playlistNameExample.add(playlistName);
+        Mockito.when(playlistNameRepository.findAll()).thenReturn(playlistNameExample);
+
+//        playlistService.listPlaylist();
+        List<PlaylistName> testResult = playlistService.listPlaylist();
+
+        Assert.assertEquals("playlisttest1", testResult.get(0).getPlaylistname());
+    }
+
+    @Test
+    void listPlaylistVideo() {
+        List<PlaylistVideo> playlistVideoExample = new ArrayList<>();
+        PlaylistVideo playlistVideo = new PlaylistVideo();
+        PlaylistName playlistName = new PlaylistName();
+        playlistName.setPlaylistname("testplaylist");
+        playlistVideo.setPlaylistName(playlistName);
+        playlistVideoExample.add(playlistVideo);
+        Mockito.when(playlistVideoRepository.findAll()).thenReturn(playlistVideoExample);
+
+        List<PlaylistVideo> testResult = playlistService.listPlaylistVideo();
+
+        Assert.assertEquals("testplaylist", testResult.get(0).getPlaylistName().getPlaylistname());
+//        2 more asserts:
+//          array length of test result greater than 0
+        Assert.assertNotEquals(testResult.size(), 0);
+//        preferable to the above assert
+//        Assert.assertEquals(testResult.size(), testResult.size()>0);
+//          getplaylistname does not equal null
+        Assert.assertNotNull(testResult);
+    }
+
+    @Test
+    void countPlaylist() {
+        List<PlaylistVideo> playlistVideoTest = new ArrayList<>();
+        PlaylistVideo playlistVideo = new PlaylistVideo();
+        PlaylistName playlistName = new PlaylistName();
+        playlistName.setPlaylistname("test");
+        playlistVideo.setPlaylistName(playlistName);
+        playlistVideoTest.add(0, playlistVideo);
+        Mockito.when(playlistVideoRepository.findByPlaylistName("")).thenReturn(playlistVideoTest);
+
+        String testResult = playlistService.countPlaylist("");
+
+        Assert.assertEquals("Number of videos inside playlist: " + 1,testResult);
+    }
+//    https://blog.knoldus.com/unit-testing-void-methods-with-mockito-and-junit/
+//    https://www.baeldung.com/mockito-void-methods
+
+//    @Test
+//    void addPlaylist() {
+//        PlaylistService playlistService1 = Mockito.mock(PlaylistService.class);
+//        PlaylistName playlistName = new PlaylistName();
+//        playlistName.setPlaylistname("test");
+//        playlistName.setId(1);
+//        Mockito.doNothing().when(playlistService1).addPlaylist(playlistName);
+//    }
+
+//    @Test
+//    void addVideo() {
+//    }
+//
+//    @Test
+//    void testListPlaylist() {
+//    }
+//
+//    @Test
+//    void sortPlaylist() {
+//    }
+//
+//    @Test
+//    void testListPlaylistVideo() {
+//    }
+//
+//    @Test
+//    void testCountPlaylist() {
+//    }
+//
+//    @Test
+//    void addVideoToPlaylist() {
+//    }
+//
+//    @Test
+//    void listByVideoNameAndChannelName() {
+//    }
+//
+//    @Test
+//    void listPlaylistNameByChannelName() {
+//    }
+}
\ No newline at end of file
diff --git a/backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java b/backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java
index c42a855..f2e1eed 100644
--- a/backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java
+++ b/backend/kaiser/src/test/java/com/example/springKaiser/business/video/VideoServiceTest.java
@@ -1,7 +1,11 @@
 package com.example.springKaiser.business.video;
 
+import com.example.springKaiser.business.channel.ChannelService;
+import com.example.springKaiser.entities.Channel;
 import com.example.springKaiser.entities.Video;
+import com.example.springKaiser.repositories.ChannelRepository;
 import com.example.springKaiser.repositories.VideoRepository;
+import liquibase.pro.packaged.V;
 import org.junit.Assert;
 import org.junit.jupiter.api.Test;
 import org.junit.runner.RunWith;
@@ -25,6 +29,9 @@ class VideoServiceTest {
     @MockBean
     VideoRepository videoRepository;
 
+    @MockBean
+    ChannelRepository channelRepository;
+
     @Test
     void listVideoTest() {
         //Unit test layout: When, Call Service, Assert/Test
@@ -48,6 +55,64 @@ void listVideoTest() {
         Assert.assertTrue(("Test1").equals(testResult.get(0).getName()));
         //This way compares to strings/objects
         Assert.assertEquals("Test1",testResult.get(0).getName());
+    }
+
+
+    @Test
+    void listByChannelDto() {
+        //When
+//        List<VideoDto> videoDtoListExample = new ArrayList<>();
+//        VideoDto videoDto = new VideoDto();
+//        VideoService videoService = new VideoService();
+//        videoDto.setName("DTOTest1");
+//        videoDto.setChannelId(1);
+//        videoDtoListExample.add(videoDto);
+//        Mockito.when(videoRepository.findAll()).thenReturn();
+
+
+        //Call Service need to convert DTO in to Video object
+//        List<Video> testResult2 = videoService.listByChannelDto();
+
+        //Assert
+//        Assert.assertTrue(("DTOTest1").equals(testResult2.get(0).getName()));
+
+        Channel channel = new Channel();
+        channel.setId(2);
+        List<Video> videos = new ArrayList<>();
+        Video video = new Video();
+        video.setLikes(4);
+        video.setComments(5);
+        video.setViews(10);
+        video.setName("Test Data");
+        video.setId(5);
+        video.setChannel(channel);
+        videos.add(video);
+        Mockito.when(videoRepository.findAll()).thenReturn(videos);
+
+        List<VideoDto> videoDtoList = videoService.listByChannelDto(2);
+
+//        System.out.println("test");
+//        Assert.assertTrue(("Test Data1").equals(videoDtoList.get(0).getName()));
+        Assert.assertEquals("Test Data",videoDtoList.get(0).getName());
+        Assert.assertEquals(videoDtoList.size(),1);
+    }
+
+
+    @Test
+    void saveVideosExample() {
+//        Channel channel = channelRepository.findById(videoDto.getChannelId()).get()
+        int channelID = 1;
+        Channel channel = new Channel();
+//        channel.setChannelName("testname");
+        Mockito.when(channelRepository.findById(channelID)).thenReturn(java.util.Optional.of(channel));
+        VideoDto videoDto = new VideoDto();
+        videoDto.setChannelId(1);
+        videoDto.setName("testname");
+//        can add more hard coded data
+
+//        videoService.saveVideos(videoDto);
+        String testResult = videoService.saveVideos(videoDto);
 
+        Assert.assertEquals("Success testname", testResult);
     }
 }
\ No newline at end of file

From 19d24275f9b3e88dd75a5d93962f6f8150ced697 Mon Sep 17 00:00:00 2001
From: Matthew <matthew.dragonmaster@gmail.com>
Date: Fri, 4 Nov 2022 05:57:27 +0200
Subject: [PATCH 10/25] Frontend

---
 frontend/kaiser/angular.json                  |   5 +-
 frontend/kaiser/package-lock.json             | 102 +++-
 frontend/kaiser/package.json                  |   4 +
 frontend/kaiser/src/app/app-routing.module.ts |   7 +-
 frontend/kaiser/src/app/app.component.html    | 481 ------------------
 frontend/kaiser/src/app/app.component.spec.ts |  22 +-
 frontend/kaiser/src/app/app.component.ts      |   2 +-
 frontend/kaiser/src/app/app.module.ts         |  14 +-
 .../kaiser/src/environments/environment.ts    |   4 +-
 frontend/kaiser/src/favicon.ico               | Bin 948 -> 5430 bytes
 frontend/kaiser/src/index.html                |   3 +-
 frontend/kaiser/src/polyfills.ts              |  18 +-
 frontend/kaiser/src/test.ts                   |  12 +-
 frontend/kaiser/tsconfig.json                 |   4 +-
 14 files changed, 156 insertions(+), 522 deletions(-)

diff --git a/frontend/kaiser/angular.json b/frontend/kaiser/angular.json
index 2192781..b863d0f 100644
--- a/frontend/kaiser/angular.json
+++ b/frontend/kaiser/angular.json
@@ -27,7 +27,10 @@
               "src/assets"
             ],
             "styles": [
-              "src/styles.css"
+              "src/styles.css",
+              "./node_modules/primeicons/primeicons.css",
+              "./node_modules/primeng/resources/themes/arya-purple/theme.css",
+              "./node_modules/primeng/resources/primeng.min.css"
             ],
             "scripts": []
           },
diff --git a/frontend/kaiser/package-lock.json b/frontend/kaiser/package-lock.json
index 3d7c466..a186360 100644
--- a/frontend/kaiser/package-lock.json
+++ b/frontend/kaiser/package-lock.json
@@ -9,6 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@angular/animations": "~13.3.0",
+        "@angular/cdk": "^13.3.8",
         "@angular/common": "~13.3.0",
         "@angular/compiler": "~13.3.0",
         "@angular/core": "~13.3.0",
@@ -16,6 +17,9 @@
         "@angular/platform-browser": "~13.3.0",
         "@angular/platform-browser-dynamic": "~13.3.0",
         "@angular/router": "~13.3.0",
+        "font-awesome": "^4.7.0",
+        "primeicons": "^5.0.0",
+        "primeng": "^13.4.1",
         "rxjs": "~7.5.0",
         "tslib": "^2.3.0",
         "zone.js": "~0.11.4"
@@ -341,6 +345,28 @@
         "@angular/core": "13.3.1"
       }
     },
+    "node_modules/@angular/cdk": {
+      "version": "13.3.8",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-13.3.8.tgz",
+      "integrity": "sha512-ciLYoVxsqnA9hGJTUW74A56NjArYhFdqFYmVDimWWNYAgY7jY1gCfKq9UtixUErDi29FGSCWRbLuZ6w4q0NYnA==",
+      "dependencies": {
+        "tslib": "^2.3.0"
+      },
+      "optionalDependencies": {
+        "parse5": "^5.0.0"
+      },
+      "peerDependencies": {
+        "@angular/common": "^13.0.0 || ^14.0.0-0",
+        "@angular/core": "^13.0.0 || ^14.0.0-0",
+        "rxjs": "^6.5.3 || ^7.4.0"
+      }
+    },
+    "node_modules/@angular/cdk/node_modules/parse5": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
+      "integrity": "sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==",
+      "optional": true
+    },
     "node_modules/@angular/cli": {
       "version": "13.3.1",
       "resolved": "https://registry.npmjs.org/@angular/cli/-/cli-13.3.1.tgz",
@@ -3191,9 +3217,9 @@
       }
     },
     "node_modules/async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "dependencies": {
         "lodash": "^4.17.14"
@@ -5762,6 +5788,14 @@
         }
       }
     },
+    "node_modules/font-awesome": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/font-awesome/-/font-awesome-4.7.0.tgz",
+      "integrity": "sha1-j6jPBBGhoxr9B7BtKQK7n8gVoTM=",
+      "engines": {
+        "node": ">=0.10.3"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -9451,6 +9485,27 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/primeicons": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/primeicons/-/primeicons-5.0.0.tgz",
+      "integrity": "sha512-heygWF0X5HFI1otlZE62pp6ye7sZ8om78J9au2BRkg8O7Y8AHTZ9qKMRzchZUHLe8zUAvdi6hZzzm9XxgwIExw=="
+    },
+    "node_modules/primeng": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/primeng/-/primeng-13.4.1.tgz",
+      "integrity": "sha512-Dp72Yt7ORwoVYXr5r4oNTacQHUyLAdTuvXXNg9ZNjjxCdIfYZsVjTFBHBVzgEo9BpPy+/5twYy1JP/eXXDNPHg==",
+      "dependencies": {
+        "tslib": "^2.3.0"
+      },
+      "peerDependencies": {
+        "@angular/common": "^13.0.0",
+        "@angular/core": "^13.0.0",
+        "@angular/forms": "^13.0.0",
+        "primeicons": "^5.0.0",
+        "rxjs": "^6.0.0 || ^7.0.0",
+        "zone.js": "^0.10.2 || ^0.11.0"
+      }
+    },
     "node_modules/process-nextick-args": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
@@ -11892,6 +11947,23 @@
         "tslib": "^2.3.0"
       }
     },
+    "@angular/cdk": {
+      "version": "13.3.8",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-13.3.8.tgz",
+      "integrity": "sha512-ciLYoVxsqnA9hGJTUW74A56NjArYhFdqFYmVDimWWNYAgY7jY1gCfKq9UtixUErDi29FGSCWRbLuZ6w4q0NYnA==",
+      "requires": {
+        "parse5": "^5.0.0",
+        "tslib": "^2.3.0"
+      },
+      "dependencies": {
+        "parse5": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
+          "integrity": "sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==",
+          "optional": true
+        }
+      }
+    },
     "@angular/cli": {
       "version": "13.3.1",
       "resolved": "https://registry.npmjs.org/@angular/cli/-/cli-13.3.1.tgz",
@@ -14016,9 +14088,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "requires": {
         "lodash": "^4.17.14"
@@ -15858,6 +15930,11 @@
       "integrity": "sha512-MQDfihBQYMcyy5dhRDJUHcw7lb2Pv/TuE6xP1vyraLukNDHKbDxDNaOE3NbCAdKQApno+GPRyo1YAp89yCjK4w==",
       "dev": true
     },
+    "font-awesome": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/font-awesome/-/font-awesome-4.7.0.tgz",
+      "integrity": "sha1-j6jPBBGhoxr9B7BtKQK7n8gVoTM="
+    },
     "forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -18568,6 +18645,19 @@
       "integrity": "sha512-FFw039TmrBqFK8ma/7OL3sDz/VytdtJr044/QUJtH0wK9lb9jLq9tJyIxUwtQJHwar2BqtiA4iCWSwo9JLkzFg==",
       "dev": true
     },
+    "primeicons": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/primeicons/-/primeicons-5.0.0.tgz",
+      "integrity": "sha512-heygWF0X5HFI1otlZE62pp6ye7sZ8om78J9au2BRkg8O7Y8AHTZ9qKMRzchZUHLe8zUAvdi6hZzzm9XxgwIExw=="
+    },
+    "primeng": {
+      "version": "13.4.1",
+      "resolved": "https://registry.npmjs.org/primeng/-/primeng-13.4.1.tgz",
+      "integrity": "sha512-Dp72Yt7ORwoVYXr5r4oNTacQHUyLAdTuvXXNg9ZNjjxCdIfYZsVjTFBHBVzgEo9BpPy+/5twYy1JP/eXXDNPHg==",
+      "requires": {
+        "tslib": "^2.3.0"
+      }
+    },
     "process-nextick-args": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
diff --git a/frontend/kaiser/package.json b/frontend/kaiser/package.json
index 4c7768c..7e8fb18 100644
--- a/frontend/kaiser/package.json
+++ b/frontend/kaiser/package.json
@@ -11,6 +11,7 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "~13.3.0",
+    "@angular/cdk": "^13.3.8",
     "@angular/common": "~13.3.0",
     "@angular/compiler": "~13.3.0",
     "@angular/core": "~13.3.0",
@@ -18,6 +19,9 @@
     "@angular/platform-browser": "~13.3.0",
     "@angular/platform-browser-dynamic": "~13.3.0",
     "@angular/router": "~13.3.0",
+    "font-awesome": "^4.7.0",
+    "primeicons": "^5.0.0",
+    "primeng": "^13.4.1",
     "rxjs": "~7.5.0",
     "tslib": "^2.3.0",
     "zone.js": "~0.11.4"
diff --git a/frontend/kaiser/src/app/app-routing.module.ts b/frontend/kaiser/src/app/app-routing.module.ts
index 0297262..1dc3447 100644
--- a/frontend/kaiser/src/app/app-routing.module.ts
+++ b/frontend/kaiser/src/app/app-routing.module.ts
@@ -1,7 +1,10 @@
 import { NgModule } from '@angular/core';
-import { RouterModule, Routes } from '@angular/router';
+import { Routes, RouterModule } from '@angular/router';
+import { BookDataComponent } from './book-data/book-data.component';
 
-const routes: Routes = [];
+const routes: Routes = [
+  { path: 'books', component: BookDataComponent }
+];
 
 @NgModule({
   imports: [RouterModule.forRoot(routes)],
diff --git a/frontend/kaiser/src/app/app.component.html b/frontend/kaiser/src/app/app.component.html
index e11ca59..39477d6 100644
--- a/frontend/kaiser/src/app/app.component.html
+++ b/frontend/kaiser/src/app/app.component.html
@@ -1,484 +1,3 @@
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
-<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
-<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * Delete the template below * * * * * * * * * * -->
-<!-- * * * * * * * to get started with your project! * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
 
-<style>
-  :host {
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
-    font-size: 14px;
-    color: #333;
-    box-sizing: border-box;
-    -webkit-font-smoothing: antialiased;
-    -moz-osx-font-smoothing: grayscale;
-  }
-
-  h1,
-  h2,
-  h3,
-  h4,
-  h5,
-  h6 {
-    margin: 8px 0;
-  }
-
-  p {
-    margin: 0;
-  }
-
-  .spacer {
-    flex: 1;
-  }
-
-  .toolbar {
-    position: absolute;
-    top: 0;
-    left: 0;
-    right: 0;
-    height: 60px;
-    display: flex;
-    align-items: center;
-    background-color: #1976d2;
-    color: white;
-    font-weight: 600;
-  }
-
-  .toolbar img {
-    margin: 0 16px;
-  }
-
-  .toolbar #twitter-logo {
-    height: 40px;
-    margin: 0 8px;
-  }
-
-  .toolbar #youtube-logo {
-    height: 40px;
-    margin: 0 16px;
-  }
-
-  .toolbar #twitter-logo:hover,
-  .toolbar #youtube-logo:hover {
-    opacity: 0.8;
-  }
-
-  .content {
-    display: flex;
-    margin: 82px auto 32px;
-    padding: 0 16px;
-    max-width: 960px;
-    flex-direction: column;
-    align-items: center;
-  }
-
-  svg.material-icons {
-    height: 24px;
-    width: auto;
-  }
-
-  svg.material-icons:not(:last-child) {
-    margin-right: 8px;
-  }
-
-  .card svg.material-icons path {
-    fill: #888;
-  }
-
-  .card-container {
-    display: flex;
-    flex-wrap: wrap;
-    justify-content: center;
-    margin-top: 16px;
-  }
-
-  .card {
-    all: unset;
-    border-radius: 4px;
-    border: 1px solid #eee;
-    background-color: #fafafa;
-    height: 40px;
-    width: 200px;
-    margin: 0 8px 16px;
-    padding: 16px;
-    display: flex;
-    flex-direction: row;
-    justify-content: center;
-    align-items: center;
-    transition: all 0.2s ease-in-out;
-    line-height: 24px;
-  }
-
-  .card-container .card:not(:last-child) {
-    margin-right: 0;
-  }
-
-  .card.card-small {
-    height: 16px;
-    width: 168px;
-  }
-
-  .card-container .card:not(.highlight-card) {
-    cursor: pointer;
-  }
-
-  .card-container .card:not(.highlight-card):hover {
-    transform: translateY(-3px);
-    box-shadow: 0 4px 17px rgba(0, 0, 0, 0.35);
-  }
-
-  .card-container .card:not(.highlight-card):hover .material-icons path {
-    fill: rgb(105, 103, 103);
-  }
-
-  .card.highlight-card {
-    background-color: #1976d2;
-    color: white;
-    font-weight: 600;
-    border: none;
-    width: auto;
-    min-width: 30%;
-    position: relative;
-  }
-
-  .card.card.highlight-card span {
-    margin-left: 60px;
-  }
-
-  svg#rocket {
-    width: 80px;
-    position: absolute;
-    left: -10px;
-    top: -24px;
-  }
-
-  svg#rocket-smoke {
-    height: calc(100vh - 95px);
-    position: absolute;
-    top: 10px;
-    right: 180px;
-    z-index: -10;
-  }
-
-  a,
-  a:visited,
-  a:hover {
-    color: #1976d2;
-    text-decoration: none;
-  }
-
-  a:hover {
-    color: #125699;
-  }
-
-  .terminal {
-    position: relative;
-    width: 80%;
-    max-width: 600px;
-    border-radius: 6px;
-    padding-top: 45px;
-    margin-top: 8px;
-    overflow: hidden;
-    background-color: rgb(15, 15, 16);
-  }
-
-  .terminal::before {
-    content: "\2022 \2022 \2022";
-    position: absolute;
-    top: 0;
-    left: 0;
-    height: 4px;
-    background: rgb(58, 58, 58);
-    color: #c2c3c4;
-    width: 100%;
-    font-size: 2rem;
-    line-height: 0;
-    padding: 14px 0;
-    text-indent: 4px;
-  }
-
-  .terminal pre {
-    font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
-    color: white;
-    padding: 0 1rem 1rem;
-    margin: 0;
-  }
-
-  .circle-link {
-    height: 40px;
-    width: 40px;
-    border-radius: 40px;
-    margin: 8px;
-    background-color: white;
-    border: 1px solid #eeeeee;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    cursor: pointer;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
-    transition: 1s ease-out;
-  }
-
-  .circle-link:hover {
-    transform: translateY(-0.25rem);
-    box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.2);
-  }
-
-  footer {
-    margin-top: 8px;
-    display: flex;
-    align-items: center;
-    line-height: 20px;
-  }
-
-  footer a {
-    display: flex;
-    align-items: center;
-  }
-
-  .github-star-badge {
-    color: #24292e;
-    display: flex;
-    align-items: center;
-    font-size: 12px;
-    padding: 3px 10px;
-    border: 1px solid rgba(27,31,35,.2);
-    border-radius: 3px;
-    background-image: linear-gradient(-180deg,#fafbfc,#eff3f6 90%);
-    margin-left: 4px;
-    font-weight: 600;
-  }
-
-  .github-star-badge:hover {
-    background-image: linear-gradient(-180deg,#f0f3f6,#e6ebf1 90%);
-    border-color: rgba(27,31,35,.35);
-    background-position: -.5em;
-  }
-
-  .github-star-badge .material-icons {
-    height: 16px;
-    width: 16px;
-    margin-right: 4px;
-  }
-
-  svg#clouds {
-    position: fixed;
-    bottom: -160px;
-    left: -230px;
-    z-index: -10;
-    width: 1920px;
-  }
-
-  /* Responsive Styles */
-  @media screen and (max-width: 767px) {
-    .card-container > *:not(.circle-link) ,
-    .terminal {
-      width: 100%;
-    }
-
-    .card:not(.highlight-card) {
-      height: 16px;
-      margin: 8px 0;
-    }
-
-    .card.highlight-card span {
-      margin-left: 72px;
-    }
-
-    svg#rocket-smoke {
-      right: 120px;
-      transform: rotate(-5deg);
-    }
-  }
-
-  @media screen and (max-width: 575px) {
-    svg#rocket-smoke {
-      display: none;
-      visibility: hidden;
-    }
-  }
-</style>
-
-<!-- Toolbar -->
-<div class="toolbar" role="banner">
-  <img
-    width="40"
-    alt="Angular Logo"
-    src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg=="
-  />
-  <span>Welcome</span>
-    <div class="spacer"></div>
-    <a aria-label="Angular on twitter" target="_blank" rel="noopener" href="https://twitter.com/angular" title="Twitter">
-      <svg id="twitter-logo" height="24" data-name="Logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400">
-        <rect width="400" height="400" fill="none"/>
-        <path d="M153.62,301.59c94.34,0,145.94-78.16,145.94-145.94,0-2.22,0-4.43-.15-6.63A104.36,104.36,0,0,0,325,122.47a102.38,102.38,0,0,1-29.46,8.07,51.47,51.47,0,0,0,22.55-28.37,102.79,102.79,0,0,1-32.57,12.45,51.34,51.34,0,0,0-87.41,46.78A145.62,145.62,0,0,1,92.4,107.81a51.33,51.33,0,0,0,15.88,68.47A50.91,50.91,0,0,1,85,169.86c0,.21,0,.43,0,.65a51.31,51.31,0,0,0,41.15,50.28,51.21,51.21,0,0,1-23.16.88,51.35,51.35,0,0,0,47.92,35.62,102.92,102.92,0,0,1-63.7,22A104.41,104.41,0,0,1,75,278.55a145.21,145.21,0,0,0,78.62,23" fill="#fff"/>
-      </svg>
-    </a>
-    <a aria-label="Angular on YouTube" target="_blank" rel="noopener" href="https://youtube.com/angular" title="YouTube">
-      <svg id="youtube-logo" height="24" width="24" data-name="Logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="#fff">
-        <path d="M0 0h24v24H0V0z" fill="none"/>
-        <path d="M21.58 7.19c-.23-.86-.91-1.54-1.77-1.77C18.25 5 12 5 12 5s-6.25 0-7.81.42c-.86.23-1.54.91-1.77 1.77C2 8.75 2 12 2 12s0 3.25.42 4.81c.23.86.91 1.54 1.77 1.77C5.75 19 12 19 12 19s6.25 0 7.81-.42c.86-.23 1.54-.91 1.77-1.77C22 15.25 22 12 22 12s0-3.25-.42-4.81zM10 15V9l5.2 3-5.2 3z"/>
-      </svg>
-    </a>
-</div>
-
-<div class="content" role="main">
-
-  <!-- Highlight Card -->
-  <div class="card highlight-card card-small">
-
-    <svg id="rocket" xmlns="http://www.w3.org/2000/svg" width="101.678" height="101.678" viewBox="0 0 101.678 101.678">
-      <title>Rocket Ship</title>
-      <g id="Group_83" data-name="Group 83" transform="translate(-141 -696)">
-        <circle id="Ellipse_8" data-name="Ellipse 8" cx="50.839" cy="50.839" r="50.839" transform="translate(141 696)" fill="#dd0031"/>
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-          <path id="Path_33" data-name="Path 33" d="M3.4,42.615a3.084,3.084,0,0,0,3.553,3.553,21.419,21.419,0,0,0,12.215-6.107L9.511,30.4A21.419,21.419,0,0,0,3.4,42.615Z" transform="translate(0.371 3.363)" fill="#fff"/>
-          <path id="Path_34" data-name="Path 34" d="M53.3,3.221A3.09,3.09,0,0,0,50.081,0,48.227,48.227,0,0,0,18.322,13.437c-6-1.666-14.991-1.221-18.322,7.218A33.892,33.892,0,0,1,9.439,25.1l-.333.666a3.013,3.013,0,0,0,.555,3.553L23.985,43.641a2.9,2.9,0,0,0,3.553.555l.666-.333A33.892,33.892,0,0,1,32.647,53.3c8.55-3.664,8.884-12.326,7.218-18.322A48.227,48.227,0,0,0,53.3,3.221ZM34.424,9.772a6.439,6.439,0,1,1,9.106,9.106,6.368,6.368,0,0,1-9.106,0A6.467,6.467,0,0,1,34.424,9.772Z" transform="translate(0 0.005)" fill="#fff"/>
-        </g>
-      </g>
-    </svg>
-
-    <span>{{ title }} app is running!</span>
-
-    <svg id="rocket-smoke" xmlns="http://www.w3.org/2000/svg" width="516.119" height="1083.632" viewBox="0 0 516.119 1083.632">
-      <title>Rocket Ship Smoke</title>
-      <path id="Path_40" data-name="Path 40" d="M644.6,141S143.02,215.537,147.049,870.207s342.774,201.755,342.774,201.755S404.659,847.213,388.815,762.2c-27.116-145.51-11.551-384.124,271.9-609.1C671.15,139.365,644.6,141,644.6,141Z" transform="translate(-147.025 -140.939)" fill="#f5f5f5"/>
-    </svg>
-
-  </div>
-
-  <!-- Resources -->
-  <h2>Resources</h2>
-  <p>Here are some links to help you get started:</p>
-
-  <div class="card-container">
-    <a class="card" target="_blank" rel="noopener" href="https://angular.io/tutorial">
-      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M5 13.18v4L12 21l7-3.82v-4L12 17l-7-3.82zM12 3L1 9l11 6 9-4.91V17h2V9L12 3z"/></svg>
-      <span>Learn Angular</span>
-      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>    </a>
-
-    <a class="card" target="_blank" rel="noopener" href="https://angular.io/cli">
-      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M9.4 16.6L4.8 12l4.6-4.6L8 6l-6 6 6 6 1.4-1.4zm5.2 0l4.6-4.6-4.6-4.6L16 6l6 6-6 6-1.4-1.4z"/></svg>
-      <span>CLI Documentation</span>
-      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>
-    </a>
-
-    <a class="card" target="_blank" rel="noopener" href="https://material.angular.io">
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-    </a>
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-  <!-- Next Steps -->
-  <h2>Next Steps</h2>
-  <p>What do you want to do next with your app?</p>
-
-  <input type="hidden" #selection>
-
-  <div class="card-container">
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-      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
-      <span>Angular Material</span>
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-
-    <button class="card card-small" (click)="selection.value = 'pwa'" tabindex="0">
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-      <span>Add PWA Support</span>
-    </button>
-
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-      <span>Add Dependency</span>
-    </button>
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-      <span>Run and Watch Tests</span>
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-      <span>Build for Production</span>
-    </button>
-  </div>
-
-  <!-- Terminal -->
-  <div class="terminal" [ngSwitch]="selection.value">
-      <pre *ngSwitchDefault>ng generate component xyz</pre>
-      <pre *ngSwitchCase="'material'">ng add @angular/material</pre>
-      <pre *ngSwitchCase="'pwa'">ng add @angular/pwa</pre>
-      <pre *ngSwitchCase="'dependency'">ng add _____</pre>
-      <pre *ngSwitchCase="'test'">ng test</pre>
-      <pre *ngSwitchCase="'build'">ng build</pre>
-  </div>
-
-  <!-- Links -->
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-      <svg xmlns="http://www.w3.org/2000/svg" width="24.607" height="23.447" viewBox="0 0 24.607 23.447">
-        <title>Meetup Logo</title>
-        <path id="logo--mSwarm" d="M21.221,14.95A4.393,4.393,0,0,1,17.6,19.281a4.452,4.452,0,0,1-.8.069c-.09,0-.125.035-.154.117a2.939,2.939,0,0,1-2.506,2.091,2.868,2.868,0,0,1-2.248-.624.168.168,0,0,0-.245-.005,3.926,3.926,0,0,1-2.589.741,4.015,4.015,0,0,1-3.7-3.347,2.7,2.7,0,0,1-.043-.38c0-.106-.042-.146-.143-.166a3.524,3.524,0,0,1-1.516-.69A3.623,3.623,0,0,1,2.23,14.557a3.66,3.66,0,0,1,1.077-3.085.138.138,0,0,0,.026-.2,3.348,3.348,0,0,1-.451-1.821,3.46,3.46,0,0,1,2.749-3.28.44.44,0,0,0,.355-.281,5.072,5.072,0,0,1,3.863-3,5.028,5.028,0,0,1,3.555.666.31.31,0,0,0,.271.03A4.5,4.5,0,0,1,18.3,4.7a4.4,4.4,0,0,1,1.334,2.751,3.658,3.658,0,0,1,.022.706.131.131,0,0,0,.1.157,2.432,2.432,0,0,1,1.574,1.645,2.464,2.464,0,0,1-.7,2.616c-.065.064-.051.1-.014.166A4.321,4.321,0,0,1,21.221,14.95ZM13.4,14.607a2.09,2.09,0,0,0,1.409,1.982,4.7,4.7,0,0,0,1.275.221,1.807,1.807,0,0,0,.9-.151.542.542,0,0,0,.321-.545.558.558,0,0,0-.359-.534,1.2,1.2,0,0,0-.254-.078c-.262-.047-.526-.086-.787-.138a.674.674,0,0,1-.617-.75,3.394,3.394,0,0,1,.218-1.109c.217-.658.509-1.286.79-1.918a15.609,15.609,0,0,0,.745-1.86,1.95,1.95,0,0,0,.06-1.073,1.286,1.286,0,0,0-1.051-1.033,1.977,1.977,0,0,0-1.521.2.339.339,0,0,1-.446-.042c-.1-.092-.2-.189-.307-.284a1.214,1.214,0,0,0-1.643-.061,7.563,7.563,0,0,1-.614.512A.588.588,0,0,1,10.883,8c-.215-.115-.437-.215-.659-.316a2.153,2.153,0,0,0-.695-.248A2.091,2.091,0,0,0,7.541,8.562a9.915,9.915,0,0,0-.405.986c-.559,1.545-1.015,3.123-1.487,4.7a1.528,1.528,0,0,0,.634,1.777,1.755,1.755,0,0,0,1.5.211,1.35,1.35,0,0,0,.824-.858c.543-1.281,1.032-2.584,1.55-3.875.142-.355.28-.712.432-1.064a.548.548,0,0,1,.851-.24.622.622,0,0,1,.185.539,2.161,2.161,0,0,1-.181.621c-.337.852-.68,1.7-1.018,2.552a2.564,2.564,0,0,0-.173.528.624.624,0,0,0,.333.71,1.073,1.073,0,0,0,.814.034,1.22,1.22,0,0,0,.657-.655q.758-1.488,1.511-2.978.35-.687.709-1.37a1.073,1.073,0,0,1,.357-.434.43.43,0,0,1,.463-.016.373.373,0,0,1,.153.387.7.7,0,0,1-.057.236c-.065.157-.127.316-.2.469-.42.883-.846,1.763-1.262,2.648A2.463,2.463,0,0,0,13.4,14.607Zm5.888,6.508a1.09,1.09,0,0,0-2.179.006,1.09,1.09,0,0,0,2.179-.006ZM1.028,12.139a1.038,1.038,0,1,0,.01-2.075,1.038,1.038,0,0,0-.01,2.075ZM13.782.528a1.027,1.027,0,1,0-.011,2.055A1.027,1.027,0,0,0,13.782.528ZM22.21,6.95a.882.882,0,0,0-1.763.011A.882.882,0,0,0,22.21,6.95ZM4.153,4.439a.785.785,0,1,0,.787-.78A.766.766,0,0,0,4.153,4.439Zm8.221,18.22a.676.676,0,1,0-.677.666A.671.671,0,0,0,12.374,22.658ZM22.872,12.2a.674.674,0,0,0-.665.665.656.656,0,0,0,.655.643.634.634,0,0,0,.655-.644A.654.654,0,0,0,22.872,12.2ZM7.171-.123A.546.546,0,0,0,6.613.43a.553.553,0,1,0,1.106,0A.539.539,0,0,0,7.171-.123ZM24.119,9.234a.507.507,0,0,0-.493.488.494.494,0,0,0,.494.494.48.48,0,0,0,.487-.483A.491.491,0,0,0,24.119,9.234Zm-19.454,9.7a.5.5,0,0,0-.488-.488.491.491,0,0,0-.487.5.483.483,0,0,0,.491.479A.49.49,0,0,0,4.665,18.936Z" transform="translate(0 0.123)" fill="#f64060"/>
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-
-    <a class="circle-link" title="Join the Conversation on Discord" href="https://discord.gg/angular" target="_blank" rel="noopener">
-      <svg xmlns="http://www.w3.org/2000/svg" width="26" height="26" viewBox="0 0 245 240">
-        <title>Discord Logo</title>
-        <path d="M104.4 103.9c-5.7 0-10.2 5-10.2 11.1s4.6 11.1 10.2 11.1c5.7 0 10.2-5 10.2-11.1.1-6.1-4.5-11.1-10.2-11.1zM140.9 103.9c-5.7 0-10.2 5-10.2 11.1s4.6 11.1 10.2 11.1c5.7 0 10.2-5 10.2-11.1s-4.5-11.1-10.2-11.1z"/>
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diff --git a/frontend/kaiser/src/app/app.component.spec.ts b/frontend/kaiser/src/app/app.component.spec.ts
index 74ca566..acbf8e4 100644
--- a/frontend/kaiser/src/app/app.component.spec.ts
+++ b/frontend/kaiser/src/app/app.component.spec.ts
@@ -1,10 +1,10 @@
-import { TestBed } from '@angular/core/testing';
+import { TestBed, async } from '@angular/core/testing';
 import { RouterTestingModule } from '@angular/router/testing';
 import { AppComponent } from './app.component';
 
 describe('AppComponent', () => {
-  beforeEach(async () => {
-    await TestBed.configureTestingModule({
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
       imports: [
         RouterTestingModule
       ],
@@ -12,24 +12,24 @@ describe('AppComponent', () => {
         AppComponent
       ],
     }).compileComponents();
-  });
+  }));
 
   it('should create the app', () => {
     const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.componentInstance;
+    const app = fixture.debugElement.componentInstance;
     expect(app).toBeTruthy();
   });
 
-  it(`should have as title 'kaiser'`, () => {
+  it(`should have as title 'library-data'`, () => {
     const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.componentInstance;
-    expect(app.title).toEqual('kaiser');
+    const app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('library-data');
   });
 
-  it('should render title', () => {
+  it('should render title in a h1 tag', () => {
     const fixture = TestBed.createComponent(AppComponent);
     fixture.detectChanges();
-    const compiled = fixture.nativeElement as HTMLElement;
-    expect(compiled.querySelector('.content span')?.textContent).toContain('kaiser app is running!');
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('h1').textContent).toContain('Welcome to library-data!');
   });
 });
diff --git a/frontend/kaiser/src/app/app.component.ts b/frontend/kaiser/src/app/app.component.ts
index 0d6fdce..dd2b725 100644
--- a/frontend/kaiser/src/app/app.component.ts
+++ b/frontend/kaiser/src/app/app.component.ts
@@ -6,5 +6,5 @@ import { Component } from '@angular/core';
   styleUrls: ['./app.component.css']
 })
 export class AppComponent {
-  title = 'kaiser';
+  title = 'library-data';
 }
diff --git a/frontend/kaiser/src/app/app.module.ts b/frontend/kaiser/src/app/app.module.ts
index b1c6c96..572f52c 100644
--- a/frontend/kaiser/src/app/app.module.ts
+++ b/frontend/kaiser/src/app/app.module.ts
@@ -1,16 +1,24 @@
-import { NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
 
 import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './app.component';
+import { BookDataComponent } from './book-data/book-data.component';
+import {TableModule} from 'primeng/table';
+import { FormsModule } from '@angular/forms';
+import { HttpClientModule } from '@angular/common/http';
 
 @NgModule({
   declarations: [
-    AppComponent
+    AppComponent,
+    BookDataComponent
   ],
   imports: [
     BrowserModule,
-    AppRoutingModule
+    AppRoutingModule,
+    TableModule,
+    FormsModule,
+    HttpClientModule
   ],
   providers: [],
   bootstrap: [AppComponent]
diff --git a/frontend/kaiser/src/environments/environment.ts b/frontend/kaiser/src/environments/environment.ts
index f56ff47..7b4f817 100644
--- a/frontend/kaiser/src/environments/environment.ts
+++ b/frontend/kaiser/src/environments/environment.ts
@@ -1,5 +1,5 @@
 // This file can be replaced during build by using the `fileReplacements` array.
-// `ng build` replaces `environment.ts` with `environment.prod.ts`.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
 // The list of file replacements can be found in `angular.json`.
 
 export const environment = {
@@ -13,4 +13,4 @@ export const environment = {
  * This import should be commented out in production mode because it will have a negative impact
  * on performance if an error is thrown.
  */
-// import 'zone.js/plugins/zone-error';  // Included with Angular CLI.
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.
diff --git a/frontend/kaiser/src/favicon.ico b/frontend/kaiser/src/favicon.ico
index 997406ad22c29aae95893fb3d666c30258a09537..8081c7ceaf2be08bf59010158c586170d9d2d517 100644
GIT binary patch
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humW;*g7R+&|Ledvc-<M)bUEqtWbbwV3iw}c{{uEu@7@3a

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WcZ@i?LyX}70000<MNUMnLSTXxWwRmx

diff --git a/frontend/kaiser/src/index.html b/frontend/kaiser/src/index.html
index e5e39af..f4d20a9 100644
--- a/frontend/kaiser/src/index.html
+++ b/frontend/kaiser/src/index.html
@@ -2,8 +2,9 @@
 <html lang="en">
 <head>
   <meta charset="utf-8">
-  <title>Kaiser</title>
+  <title>LibraryData</title>
   <base href="/">
+
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
 </head>
diff --git a/frontend/kaiser/src/polyfills.ts b/frontend/kaiser/src/polyfills.ts
index 429bb9e..aa665d6 100644
--- a/frontend/kaiser/src/polyfills.ts
+++ b/frontend/kaiser/src/polyfills.ts
@@ -8,8 +8,8 @@
  *      file.
  *
  * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
- * automatically update themselves. This includes recent versions of Safari, Chrome (including
- * Opera), Edge on the desktop, and iOS and Chrome on mobile.
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
  *
  * Learn more in https://angular.io/guide/browser-support
  */
@@ -18,6 +18,16 @@
  * BROWSER POLYFILLS
  */
 
+/** IE10 and IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
 /**
  * By default, zone.js will patch all possible macroTask and DomEvents
  * user can disable parts of macroTask/DomEvents patch by setting following flags
@@ -25,7 +35,7 @@
  * will put import in the top of bundle, so user need to create a separate file
  * in this directory (for example: zone-flags.ts), and put the following flags
  * into that file, and then add the following code before importing zone.js.
- * import './zone-flags';
+ * import './zone-flags.ts';
  *
  * The flags allowed in zone-flags.ts are listed here.
  *
@@ -45,7 +55,7 @@
 /***************************************************************************************************
  * Zone JS is required by default for Angular itself.
  */
-import 'zone.js';  // Included with Angular CLI.
+import 'zone.js/dist/zone';  // Included with Angular CLI.
 
 
 /***************************************************************************************************
diff --git a/frontend/kaiser/src/test.ts b/frontend/kaiser/src/test.ts
index 00025da..1631789 100644
--- a/frontend/kaiser/src/test.ts
+++ b/frontend/kaiser/src/test.ts
@@ -1,25 +1,19 @@
 // This file is required by karma.conf.js and loads recursively all the .spec and framework files
 
-import 'zone.js/testing';
+import 'zone.js/dist/zone-testing';
 import { getTestBed } from '@angular/core/testing';
 import {
   BrowserDynamicTestingModule,
   platformBrowserDynamicTesting
 } from '@angular/platform-browser-dynamic/testing';
 
-declare const require: {
-  context(path: string, deep?: boolean, filter?: RegExp): {
-    <T>(id: string): T;
-    keys(): string[];
-  };
-};
+declare const require: any;
 
 // First, initialize the Angular testing environment.
 getTestBed().initTestEnvironment(
   BrowserDynamicTestingModule,
-  platformBrowserDynamicTesting(),
+  platformBrowserDynamicTesting()
 );
-
 // Then we find all the tests.
 const context = require.context('./', true, /\.spec\.ts$/);
 // And load the modules.
diff --git a/frontend/kaiser/tsconfig.json b/frontend/kaiser/tsconfig.json
index f531992..e6fea0a 100644
--- a/frontend/kaiser/tsconfig.json
+++ b/frontend/kaiser/tsconfig.json
@@ -27,6 +27,8 @@
     "enableI18nLegacyMessageIdFormat": false,
     "strictInjectionParameters": true,
     "strictInputAccessModifiers": true,
-    "strictTemplates": true
+    "strictTemplates": true,
+    "noImplicitAny": false,
+    "strictPropertyInitialization": false
   }
 }

From 65157953e3823694127f416edc381cf738fd5479 Mon Sep 17 00:00:00 2001
From: Matthew <matthew.dragonmaster@gmail.com>
Date: Fri, 4 Nov 2022 06:13:11 +0200
Subject: [PATCH 11/25] Frontend

---
 frontend/.idea/.gitignore                     |   5 +
 frontend/.idea/frontend.iml                   |  12 +
 frontend/.idea/modules.xml                    |   8 +
 frontend/.idea/vcs.xml                        |   6 +
 .../src/app/book-data/book-data.component.css |   0
 .../app/book-data/book-data.component.html    |  16 +
 .../app/book-data/book-data.component.spec.ts |  25 +
 .../src/app/book-data/book-data.component.ts  |  20 +
 .../src/app/service/book.service.spec.ts      |  12 +
 .../kaiser/src/app/service/book.service.ts    |  23 +
 frontend/kaiser/src/assets/books.json         |   7 +
 .../kaiser/srcback/app/app-routing.module.ts  |  10 +
 frontend/kaiser/srcback/app/app.component.css |   0
 .../kaiser/srcback/app/app.component.html     | 484 ++++++++++++++++++
 .../kaiser/srcback/app/app.component.spec.ts  |  35 ++
 frontend/kaiser/srcback/app/app.component.ts  |  10 +
 frontend/kaiser/srcback/app/app.module.ts     |  18 +
 frontend/kaiser/srcback/assets/.gitkeep       |   0
 .../srcback/environments/environment.prod.ts  |   3 +
 .../srcback/environments/environment.ts       |  16 +
 frontend/kaiser/srcback/favicon.ico           | Bin 0 -> 948 bytes
 frontend/kaiser/srcback/index.html            |  13 +
 frontend/kaiser/srcback/main.ts               |  12 +
 frontend/kaiser/srcback/polyfills.ts          |  53 ++
 frontend/kaiser/srcback/styles.css            |   1 +
 frontend/kaiser/srcback/test.ts               |  26 +
 26 files changed, 815 insertions(+)
 create mode 100644 frontend/.idea/.gitignore
 create mode 100644 frontend/.idea/frontend.iml
 create mode 100644 frontend/.idea/modules.xml
 create mode 100644 frontend/.idea/vcs.xml
 create mode 100644 frontend/kaiser/src/app/book-data/book-data.component.css
 create mode 100644 frontend/kaiser/src/app/book-data/book-data.component.html
 create mode 100644 frontend/kaiser/src/app/book-data/book-data.component.spec.ts
 create mode 100644 frontend/kaiser/src/app/book-data/book-data.component.ts
 create mode 100644 frontend/kaiser/src/app/service/book.service.spec.ts
 create mode 100644 frontend/kaiser/src/app/service/book.service.ts
 create mode 100644 frontend/kaiser/src/assets/books.json
 create mode 100644 frontend/kaiser/srcback/app/app-routing.module.ts
 create mode 100644 frontend/kaiser/srcback/app/app.component.css
 create mode 100644 frontend/kaiser/srcback/app/app.component.html
 create mode 100644 frontend/kaiser/srcback/app/app.component.spec.ts
 create mode 100644 frontend/kaiser/srcback/app/app.component.ts
 create mode 100644 frontend/kaiser/srcback/app/app.module.ts
 create mode 100644 frontend/kaiser/srcback/assets/.gitkeep
 create mode 100644 frontend/kaiser/srcback/environments/environment.prod.ts
 create mode 100644 frontend/kaiser/srcback/environments/environment.ts
 create mode 100644 frontend/kaiser/srcback/favicon.ico
 create mode 100644 frontend/kaiser/srcback/index.html
 create mode 100644 frontend/kaiser/srcback/main.ts
 create mode 100644 frontend/kaiser/srcback/polyfills.ts
 create mode 100644 frontend/kaiser/srcback/styles.css
 create mode 100644 frontend/kaiser/srcback/test.ts

diff --git a/frontend/.idea/.gitignore b/frontend/.idea/.gitignore
new file mode 100644
index 0000000..b58b603
--- /dev/null
+++ b/frontend/.idea/.gitignore
@@ -0,0 +1,5 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/frontend/.idea/frontend.iml b/frontend/.idea/frontend.iml
new file mode 100644
index 0000000..0c8867d
--- /dev/null
+++ b/frontend/.idea/frontend.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/frontend/.idea/modules.xml b/frontend/.idea/modules.xml
new file mode 100644
index 0000000..f3d93d7
--- /dev/null
+++ b/frontend/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/frontend.iml" filepath="$PROJECT_DIR$/.idea/frontend.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/frontend/.idea/vcs.xml b/frontend/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/frontend/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/book-data/book-data.component.css b/frontend/kaiser/src/app/book-data/book-data.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/src/app/book-data/book-data.component.html b/frontend/kaiser/src/app/book-data/book-data.component.html
new file mode 100644
index 0000000..a382051
--- /dev/null
+++ b/frontend/kaiser/src/app/book-data/book-data.component.html
@@ -0,0 +1,16 @@
+<p-table [value]="books">
+  <ng-template pTemplate="header">
+      <tr>
+          <th>Name</th>
+          <th>Author</th>
+          <th>Price In Dollars</th>          
+      </tr>
+  </ng-template>
+  <ng-template pTemplate="body" let-book>
+      <tr>
+          <td>{{book.name}}</td>
+          <td>{{book.author}}</td>
+          <td>{{book.price}}</td>          
+      </tr>
+  </ng-template>
+</p-table>
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/book-data/book-data.component.spec.ts b/frontend/kaiser/src/app/book-data/book-data.component.spec.ts
new file mode 100644
index 0000000..b01a70e
--- /dev/null
+++ b/frontend/kaiser/src/app/book-data/book-data.component.spec.ts
@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BookDataComponent } from './book-data.component';
+
+describe('BookDataComponent', () => {
+  let component: BookDataComponent;
+  let fixture: ComponentFixture<BookDataComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ BookDataComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BookDataComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/book-data/book-data.component.ts b/frontend/kaiser/src/app/book-data/book-data.component.ts
new file mode 100644
index 0000000..3c6ec23
--- /dev/null
+++ b/frontend/kaiser/src/app/book-data/book-data.component.ts
@@ -0,0 +1,20 @@
+import { Component, OnInit } from '@angular/core';
+import { BookService, Book } from '../service/book.service';
+
+@Component({
+  selector: 'app-book-data',
+  templateUrl: './book-data.component.html',
+  styleUrls: ['./book-data.component.css']
+})
+export class BookDataComponent implements OnInit {
+
+  books: Book[];
+
+  constructor(private bookService: BookService) { }
+
+  ngOnInit() {
+      this.bookService.getBooks().
+      then(books => this.books = books);
+  }
+
+}
diff --git a/frontend/kaiser/src/app/service/book.service.spec.ts b/frontend/kaiser/src/app/service/book.service.spec.ts
new file mode 100644
index 0000000..916eca4
--- /dev/null
+++ b/frontend/kaiser/src/app/service/book.service.spec.ts
@@ -0,0 +1,12 @@
+import { TestBed } from '@angular/core/testing';
+
+import { BookService } from './book.service';
+
+describe('BookService', () => {
+  beforeEach(() => TestBed.configureTestingModule({}));
+
+  it('should be created', () => {
+    const service: BookService = TestBed.get(BookService);
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/service/book.service.ts b/frontend/kaiser/src/app/service/book.service.ts
new file mode 100644
index 0000000..3ad049c
--- /dev/null
+++ b/frontend/kaiser/src/app/service/book.service.ts
@@ -0,0 +1,23 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+export interface Book {
+  name;
+  price;
+  author;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class BookService {
+
+  constructor(private http: HttpClient) {}
+
+  getBooks() {
+    return this.http.get<any>('assets/books.json')
+      .toPromise()
+      .then(res => <Book[]>res.data)
+      .then(data => { return data; });
+    }
+}
diff --git a/frontend/kaiser/src/assets/books.json b/frontend/kaiser/src/assets/books.json
new file mode 100644
index 0000000..0cb0238
--- /dev/null
+++ b/frontend/kaiser/src/assets/books.json
@@ -0,0 +1,7 @@
+{
+    "data": [
+        {"name": "The Godfather", "price": 10, "author": "Mario Puzo"},
+        {"name": "The Fellowship of the Ring", "price": 15, "author": "J.R.R. Tolkien"},
+        {"name": "Harry Potter and the Deathly Hallows", "price": 20, "author": "J.K. Rowling  "}        
+    ]
+}
diff --git a/frontend/kaiser/srcback/app/app-routing.module.ts b/frontend/kaiser/srcback/app/app-routing.module.ts
new file mode 100644
index 0000000..0297262
--- /dev/null
+++ b/frontend/kaiser/srcback/app/app-routing.module.ts
@@ -0,0 +1,10 @@
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+
+const routes: Routes = [];
+
+@NgModule({
+  imports: [RouterModule.forRoot(routes)],
+  exports: [RouterModule]
+})
+export class AppRoutingModule { }
diff --git a/frontend/kaiser/srcback/app/app.component.css b/frontend/kaiser/srcback/app/app.component.css
new file mode 100644
index 0000000..e69de29
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+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
+<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
+<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * Delete the template below * * * * * * * * * * -->
+<!-- * * * * * * * to get started with your project! * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+
+<style>
+  :host {
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+    font-size: 14px;
+    color: #333;
+    box-sizing: border-box;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+  }
+
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6 {
+    margin: 8px 0;
+  }
+
+  p {
+    margin: 0;
+  }
+
+  .spacer {
+    flex: 1;
+  }
+
+  .toolbar {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    height: 60px;
+    display: flex;
+    align-items: center;
+    background-color: #1976d2;
+    color: white;
+    font-weight: 600;
+  }
+
+  .toolbar img {
+    margin: 0 16px;
+  }
+
+  .toolbar #twitter-logo {
+    height: 40px;
+    margin: 0 8px;
+  }
+
+  .toolbar #youtube-logo {
+    height: 40px;
+    margin: 0 16px;
+  }
+
+  .toolbar #twitter-logo:hover,
+  .toolbar #youtube-logo:hover {
+    opacity: 0.8;
+  }
+
+  .content {
+    display: flex;
+    margin: 82px auto 32px;
+    padding: 0 16px;
+    max-width: 960px;
+    flex-direction: column;
+    align-items: center;
+  }
+
+  svg.material-icons {
+    height: 24px;
+    width: auto;
+  }
+
+  svg.material-icons:not(:last-child) {
+    margin-right: 8px;
+  }
+
+  .card svg.material-icons path {
+    fill: #888;
+  }
+
+  .card-container {
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: center;
+    margin-top: 16px;
+  }
+
+  .card {
+    all: unset;
+    border-radius: 4px;
+    border: 1px solid #eee;
+    background-color: #fafafa;
+    height: 40px;
+    width: 200px;
+    margin: 0 8px 16px;
+    padding: 16px;
+    display: flex;
+    flex-direction: row;
+    justify-content: center;
+    align-items: center;
+    transition: all 0.2s ease-in-out;
+    line-height: 24px;
+  }
+
+  .card-container .card:not(:last-child) {
+    margin-right: 0;
+  }
+
+  .card.card-small {
+    height: 16px;
+    width: 168px;
+  }
+
+  .card-container .card:not(.highlight-card) {
+    cursor: pointer;
+  }
+
+  .card-container .card:not(.highlight-card):hover {
+    transform: translateY(-3px);
+    box-shadow: 0 4px 17px rgba(0, 0, 0, 0.35);
+  }
+
+  .card-container .card:not(.highlight-card):hover .material-icons path {
+    fill: rgb(105, 103, 103);
+  }
+
+  .card.highlight-card {
+    background-color: #1976d2;
+    color: white;
+    font-weight: 600;
+    border: none;
+    width: auto;
+    min-width: 30%;
+    position: relative;
+  }
+
+  .card.card.highlight-card span {
+    margin-left: 60px;
+  }
+
+  svg#rocket {
+    width: 80px;
+    position: absolute;
+    left: -10px;
+    top: -24px;
+  }
+
+  svg#rocket-smoke {
+    height: calc(100vh - 95px);
+    position: absolute;
+    top: 10px;
+    right: 180px;
+    z-index: -10;
+  }
+
+  a,
+  a:visited,
+  a:hover {
+    color: #1976d2;
+    text-decoration: none;
+  }
+
+  a:hover {
+    color: #125699;
+  }
+
+  .terminal {
+    position: relative;
+    width: 80%;
+    max-width: 600px;
+    border-radius: 6px;
+    padding-top: 45px;
+    margin-top: 8px;
+    overflow: hidden;
+    background-color: rgb(15, 15, 16);
+  }
+
+  .terminal::before {
+    content: "\2022 \2022 \2022";
+    position: absolute;
+    top: 0;
+    left: 0;
+    height: 4px;
+    background: rgb(58, 58, 58);
+    color: #c2c3c4;
+    width: 100%;
+    font-size: 2rem;
+    line-height: 0;
+    padding: 14px 0;
+    text-indent: 4px;
+  }
+
+  .terminal pre {
+    font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+    color: white;
+    padding: 0 1rem 1rem;
+    margin: 0;
+  }
+
+  .circle-link {
+    height: 40px;
+    width: 40px;
+    border-radius: 40px;
+    margin: 8px;
+    background-color: white;
+    border: 1px solid #eeeeee;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    cursor: pointer;
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
+    transition: 1s ease-out;
+  }
+
+  .circle-link:hover {
+    transform: translateY(-0.25rem);
+    box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.2);
+  }
+
+  footer {
+    margin-top: 8px;
+    display: flex;
+    align-items: center;
+    line-height: 20px;
+  }
+
+  footer a {
+    display: flex;
+    align-items: center;
+  }
+
+  .github-star-badge {
+    color: #24292e;
+    display: flex;
+    align-items: center;
+    font-size: 12px;
+    padding: 3px 10px;
+    border: 1px solid rgba(27,31,35,.2);
+    border-radius: 3px;
+    background-image: linear-gradient(-180deg,#fafbfc,#eff3f6 90%);
+    margin-left: 4px;
+    font-weight: 600;
+  }
+
+  .github-star-badge:hover {
+    background-image: linear-gradient(-180deg,#f0f3f6,#e6ebf1 90%);
+    border-color: rgba(27,31,35,.35);
+    background-position: -.5em;
+  }
+
+  .github-star-badge .material-icons {
+    height: 16px;
+    width: 16px;
+    margin-right: 4px;
+  }
+
+  svg#clouds {
+    position: fixed;
+    bottom: -160px;
+    left: -230px;
+    z-index: -10;
+    width: 1920px;
+  }
+
+  /* Responsive Styles */
+  @media screen and (max-width: 767px) {
+    .card-container > *:not(.circle-link) ,
+    .terminal {
+      width: 100%;
+    }
+
+    .card:not(.highlight-card) {
+      height: 16px;
+      margin: 8px 0;
+    }
+
+    .card.highlight-card span {
+      margin-left: 72px;
+    }
+
+    svg#rocket-smoke {
+      right: 120px;
+      transform: rotate(-5deg);
+    }
+  }
+
+  @media screen and (max-width: 575px) {
+    svg#rocket-smoke {
+      display: none;
+      visibility: hidden;
+    }
+  }
+</style>
+
+<!-- Toolbar -->
+<div class="toolbar" role="banner">
+  <img
+    width="40"
+    alt="Angular Logo"
+    src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg=="
+  />
+  <span>Welcome</span>
+    <div class="spacer"></div>
+    <a aria-label="Angular on twitter" target="_blank" rel="noopener" href="https://twitter.com/angular" title="Twitter">
+      <svg id="twitter-logo" height="24" data-name="Logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400">
+        <rect width="400" height="400" fill="none"/>
+        <path d="M153.62,301.59c94.34,0,145.94-78.16,145.94-145.94,0-2.22,0-4.43-.15-6.63A104.36,104.36,0,0,0,325,122.47a102.38,102.38,0,0,1-29.46,8.07,51.47,51.47,0,0,0,22.55-28.37,102.79,102.79,0,0,1-32.57,12.45,51.34,51.34,0,0,0-87.41,46.78A145.62,145.62,0,0,1,92.4,107.81a51.33,51.33,0,0,0,15.88,68.47A50.91,50.91,0,0,1,85,169.86c0,.21,0,.43,0,.65a51.31,51.31,0,0,0,41.15,50.28,51.21,51.21,0,0,1-23.16.88,51.35,51.35,0,0,0,47.92,35.62,102.92,102.92,0,0,1-63.7,22A104.41,104.41,0,0,1,75,278.55a145.21,145.21,0,0,0,78.62,23" fill="#fff"/>
+      </svg>
+    </a>
+    <a aria-label="Angular on YouTube" target="_blank" rel="noopener" href="https://youtube.com/angular" title="YouTube">
+      <svg id="youtube-logo" height="24" width="24" data-name="Logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="#fff">
+        <path d="M0 0h24v24H0V0z" fill="none"/>
+        <path d="M21.58 7.19c-.23-.86-.91-1.54-1.77-1.77C18.25 5 12 5 12 5s-6.25 0-7.81.42c-.86.23-1.54.91-1.77 1.77C2 8.75 2 12 2 12s0 3.25.42 4.81c.23.86.91 1.54 1.77 1.77C5.75 19 12 19 12 19s6.25 0 7.81-.42c.86-.23 1.54-.91 1.77-1.77C22 15.25 22 12 22 12s0-3.25-.42-4.81zM10 15V9l5.2 3-5.2 3z"/>
+      </svg>
+    </a>
+</div>
+
+<div class="content" role="main">
+
+  <!-- Highlight Card -->
+  <div class="card highlight-card card-small">
+
+    <svg id="rocket" xmlns="http://www.w3.org/2000/svg" width="101.678" height="101.678" viewBox="0 0 101.678 101.678">
+      <title>Rocket Ship</title>
+      <g id="Group_83" data-name="Group 83" transform="translate(-141 -696)">
+        <circle id="Ellipse_8" data-name="Ellipse 8" cx="50.839" cy="50.839" r="50.839" transform="translate(141 696)" fill="#dd0031"/>
+        <g id="Group_47" data-name="Group 47" transform="translate(165.185 720.185)">
+          <path id="Path_33" data-name="Path 33" d="M3.4,42.615a3.084,3.084,0,0,0,3.553,3.553,21.419,21.419,0,0,0,12.215-6.107L9.511,30.4A21.419,21.419,0,0,0,3.4,42.615Z" transform="translate(0.371 3.363)" fill="#fff"/>
+          <path id="Path_34" data-name="Path 34" d="M53.3,3.221A3.09,3.09,0,0,0,50.081,0,48.227,48.227,0,0,0,18.322,13.437c-6-1.666-14.991-1.221-18.322,7.218A33.892,33.892,0,0,1,9.439,25.1l-.333.666a3.013,3.013,0,0,0,.555,3.553L23.985,43.641a2.9,2.9,0,0,0,3.553.555l.666-.333A33.892,33.892,0,0,1,32.647,53.3c8.55-3.664,8.884-12.326,7.218-18.322A48.227,48.227,0,0,0,53.3,3.221ZM34.424,9.772a6.439,6.439,0,1,1,9.106,9.106,6.368,6.368,0,0,1-9.106,0A6.467,6.467,0,0,1,34.424,9.772Z" transform="translate(0 0.005)" fill="#fff"/>
+        </g>
+      </g>
+    </svg>
+
+    <span>{{ title }} app is running!</span>
+
+    <svg id="rocket-smoke" xmlns="http://www.w3.org/2000/svg" width="516.119" height="1083.632" viewBox="0 0 516.119 1083.632">
+      <title>Rocket Ship Smoke</title>
+      <path id="Path_40" data-name="Path 40" d="M644.6,141S143.02,215.537,147.049,870.207s342.774,201.755,342.774,201.755S404.659,847.213,388.815,762.2c-27.116-145.51-11.551-384.124,271.9-609.1C671.15,139.365,644.6,141,644.6,141Z" transform="translate(-147.025 -140.939)" fill="#f5f5f5"/>
+    </svg>
+
+  </div>
+
+  <!-- Resources -->
+  <h2>Resources</h2>
+  <p>Here are some links to help you get started:</p>
+
+  <div class="card-container">
+    <a class="card" target="_blank" rel="noopener" href="https://angular.io/tutorial">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M5 13.18v4L12 21l7-3.82v-4L12 17l-7-3.82zM12 3L1 9l11 6 9-4.91V17h2V9L12 3z"/></svg>
+      <span>Learn Angular</span>
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>    </a>
+
+    <a class="card" target="_blank" rel="noopener" href="https://angular.io/cli">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M9.4 16.6L4.8 12l4.6-4.6L8 6l-6 6 6 6 1.4-1.4zm5.2 0l4.6-4.6-4.6-4.6L16 6l6 6-6 6-1.4-1.4z"/></svg>
+      <span>CLI Documentation</span>
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>
+    </a>
+
+    <a class="card" target="_blank" rel="noopener" href="https://material.angular.io">
+      <svg xmlns="http://www.w3.org/2000/svg" style="margin-right: 8px" width="21.813" height="23.453" viewBox="0 0 21.813 23.453"><path d="M4099.584,972.736h0l-10.882,3.9,1.637,14.4,9.245,5.153,9.245-5.153,1.686-14.4Z" transform="translate(-4088.702 -972.736)" fill="#808080"/><path d="M4181.516,972.736v23.453l9.245-5.153,1.686-14.4Z" transform="translate(-4170.633 -972.736)" fill="#808080"/><path d="M4137.529,1076.127l-7.7-3.723,4.417-2.721,7.753,3.723Z" transform="translate(-4125.003 -1058.315)" fill="#ffe0b2"/><path d="M4137.529,1051.705l-7.7-3.723,4.417-2.721,7.753,3.723Z" transform="translate(-4125.003 -1036.757)" fill="#fff3e0"/><path d="M4137.529,1027.283l-7.7-3.723,4.417-2.721,7.753,3.723Z" transform="translate(-4125.003 -1015.199)" fill="#fff"/></svg>
+      <span>Angular Material</span>
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>
+    </a>
+
+    <a class="card" target="_blank" rel="noopener" href="https://blog.angular.io/">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M13.5.67s.74 2.65.74 4.8c0 2.06-1.35 3.73-3.41 3.73-2.07 0-3.63-1.67-3.63-3.73l.03-.36C5.21 7.51 4 10.62 4 14c0 4.42 3.58 8 8 8s8-3.58 8-8C20 8.61 17.41 3.8 13.5.67zM11.71 19c-1.78 0-3.22-1.4-3.22-3.14 0-1.62 1.05-2.76 2.81-3.12 1.77-.36 3.6-1.21 4.62-2.58.39 1.29.59 2.65.59 4.04 0 2.65-2.15 4.8-4.8 4.8z"/></svg>
+      <span>Angular Blog</span>
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>
+    </a>
+
+    <a class="card" target="_blank" rel="noopener" href="https://angular.io/devtools/">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="24px" viewBox="0 0 24 24" width="24px" fill="#000000"><g><rect fill="none" height="24" width="24"/></g><g><g><path d="M14.73,13.31C15.52,12.24,16,10.93,16,9.5C16,5.91,13.09,3,9.5,3S3,5.91,3,9.5C3,13.09,5.91,16,9.5,16 c1.43,0,2.74-0.48,3.81-1.27L19.59,21L21,19.59L14.73,13.31z M9.5,14C7.01,14,5,11.99,5,9.5S7.01,5,9.5,5S14,7.01,14,9.5 S11.99,14,9.5,14z"/><polygon points="10.29,8.44 9.5,6 8.71,8.44 6.25,8.44 8.26,10.03 7.49,12.5 9.5,10.97 11.51,12.5 10.74,10.03 12.75,8.44"/></g></g></svg>
+      <span>Angular DevTools</span>
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>
+    </a>
+
+  </div>
+
+  <!-- Next Steps -->
+  <h2>Next Steps</h2>
+  <p>What do you want to do next with your app?</p>
+
+  <input type="hidden" #selection>
+
+  <div class="card-container">
+    <button class="card card-small" (click)="selection.value = 'component'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+      <span>New Component</span>
+    </button>
+
+    <button class="card card-small" (click)="selection.value = 'material'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+      <span>Angular Material</span>
+    </button>
+
+    <button class="card card-small" (click)="selection.value = 'pwa'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+      <span>Add PWA Support</span>
+    </button>
+
+    <button class="card card-small" (click)="selection.value = 'dependency'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+      <span>Add Dependency</span>
+    </button>
+
+    <button class="card card-small" (click)="selection.value = 'test'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+      <span>Run and Watch Tests</span>
+    </button>
+
+    <button class="card card-small" (click)="selection.value = 'build'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+      <span>Build for Production</span>
+    </button>
+  </div>
+
+  <!-- Terminal -->
+  <div class="terminal" [ngSwitch]="selection.value">
+      <pre *ngSwitchDefault>ng generate component xyz</pre>
+      <pre *ngSwitchCase="'material'">ng add @angular/material</pre>
+      <pre *ngSwitchCase="'pwa'">ng add @angular/pwa</pre>
+      <pre *ngSwitchCase="'dependency'">ng add _____</pre>
+      <pre *ngSwitchCase="'test'">ng test</pre>
+      <pre *ngSwitchCase="'build'">ng build</pre>
+  </div>
+
+  <!-- Links -->
+  <div class="card-container">
+    <a class="circle-link" title="Find a Local Meetup" href="https://www.meetup.com/find/?keywords=angular" target="_blank" rel="noopener">
+      <svg xmlns="http://www.w3.org/2000/svg" width="24.607" height="23.447" viewBox="0 0 24.607 23.447">
+        <title>Meetup Logo</title>
+        <path id="logo--mSwarm" d="M21.221,14.95A4.393,4.393,0,0,1,17.6,19.281a4.452,4.452,0,0,1-.8.069c-.09,0-.125.035-.154.117a2.939,2.939,0,0,1-2.506,2.091,2.868,2.868,0,0,1-2.248-.624.168.168,0,0,0-.245-.005,3.926,3.926,0,0,1-2.589.741,4.015,4.015,0,0,1-3.7-3.347,2.7,2.7,0,0,1-.043-.38c0-.106-.042-.146-.143-.166a3.524,3.524,0,0,1-1.516-.69A3.623,3.623,0,0,1,2.23,14.557a3.66,3.66,0,0,1,1.077-3.085.138.138,0,0,0,.026-.2,3.348,3.348,0,0,1-.451-1.821,3.46,3.46,0,0,1,2.749-3.28.44.44,0,0,0,.355-.281,5.072,5.072,0,0,1,3.863-3,5.028,5.028,0,0,1,3.555.666.31.31,0,0,0,.271.03A4.5,4.5,0,0,1,18.3,4.7a4.4,4.4,0,0,1,1.334,2.751,3.658,3.658,0,0,1,.022.706.131.131,0,0,0,.1.157,2.432,2.432,0,0,1,1.574,1.645,2.464,2.464,0,0,1-.7,2.616c-.065.064-.051.1-.014.166A4.321,4.321,0,0,1,21.221,14.95ZM13.4,14.607a2.09,2.09,0,0,0,1.409,1.982,4.7,4.7,0,0,0,1.275.221,1.807,1.807,0,0,0,.9-.151.542.542,0,0,0,.321-.545.558.558,0,0,0-.359-.534,1.2,1.2,0,0,0-.254-.078c-.262-.047-.526-.086-.787-.138a.674.674,0,0,1-.617-.75,3.394,3.394,0,0,1,.218-1.109c.217-.658.509-1.286.79-1.918a15.609,15.609,0,0,0,.745-1.86,1.95,1.95,0,0,0,.06-1.073,1.286,1.286,0,0,0-1.051-1.033,1.977,1.977,0,0,0-1.521.2.339.339,0,0,1-.446-.042c-.1-.092-.2-.189-.307-.284a1.214,1.214,0,0,0-1.643-.061,7.563,7.563,0,0,1-.614.512A.588.588,0,0,1,10.883,8c-.215-.115-.437-.215-.659-.316a2.153,2.153,0,0,0-.695-.248A2.091,2.091,0,0,0,7.541,8.562a9.915,9.915,0,0,0-.405.986c-.559,1.545-1.015,3.123-1.487,4.7a1.528,1.528,0,0,0,.634,1.777,1.755,1.755,0,0,0,1.5.211,1.35,1.35,0,0,0,.824-.858c.543-1.281,1.032-2.584,1.55-3.875.142-.355.28-.712.432-1.064a.548.548,0,0,1,.851-.24.622.622,0,0,1,.185.539,2.161,2.161,0,0,1-.181.621c-.337.852-.68,1.7-1.018,2.552a2.564,2.564,0,0,0-.173.528.624.624,0,0,0,.333.71,1.073,1.073,0,0,0,.814.034,1.22,1.22,0,0,0,.657-.655q.758-1.488,1.511-2.978.35-.687.709-1.37a1.073,1.073,0,0,1,.357-.434.43.43,0,0,1,.463-.016.373.373,0,0,1,.153.387.7.7,0,0,1-.057.236c-.065.157-.127.316-.2.469-.42.883-.846,1.763-1.262,2.648A2.463,2.463,0,0,0,13.4,14.607Zm5.888,6.508a1.09,1.09,0,0,0-2.179.006,1.09,1.09,0,0,0,2.179-.006ZM1.028,12.139a1.038,1.038,0,1,0,.01-2.075,1.038,1.038,0,0,0-.01,2.075ZM13.782.528a1.027,1.027,0,1,0-.011,2.055A1.027,1.027,0,0,0,13.782.528ZM22.21,6.95a.882.882,0,0,0-1.763.011A.882.882,0,0,0,22.21,6.95ZM4.153,4.439a.785.785,0,1,0,.787-.78A.766.766,0,0,0,4.153,4.439Zm8.221,18.22a.676.676,0,1,0-.677.666A.671.671,0,0,0,12.374,22.658ZM22.872,12.2a.674.674,0,0,0-.665.665.656.656,0,0,0,.655.643.634.634,0,0,0,.655-.644A.654.654,0,0,0,22.872,12.2ZM7.171-.123A.546.546,0,0,0,6.613.43a.553.553,0,1,0,1.106,0A.539.539,0,0,0,7.171-.123ZM24.119,9.234a.507.507,0,0,0-.493.488.494.494,0,0,0,.494.494.48.48,0,0,0,.487-.483A.491.491,0,0,0,24.119,9.234Zm-19.454,9.7a.5.5,0,0,0-.488-.488.491.491,0,0,0-.487.5.483.483,0,0,0,.491.479A.49.49,0,0,0,4.665,18.936Z" transform="translate(0 0.123)" fill="#f64060"/>
+      </svg>
+    </a>
+
+    <a class="circle-link" title="Join the Conversation on Discord" href="https://discord.gg/angular" target="_blank" rel="noopener">
+      <svg xmlns="http://www.w3.org/2000/svg" width="26" height="26" viewBox="0 0 245 240">
+        <title>Discord Logo</title>
+        <path d="M104.4 103.9c-5.7 0-10.2 5-10.2 11.1s4.6 11.1 10.2 11.1c5.7 0 10.2-5 10.2-11.1.1-6.1-4.5-11.1-10.2-11.1zM140.9 103.9c-5.7 0-10.2 5-10.2 11.1s4.6 11.1 10.2 11.1c5.7 0 10.2-5 10.2-11.1s-4.5-11.1-10.2-11.1z"/>
+        <path d="M189.5 20h-134C44.2 20 35 29.2 35 40.6v135.2c0 11.4 9.2 20.6 20.5 20.6h113.4l-5.3-18.5 12.8 11.9 12.1 11.2 21.5 19V40.6c0-11.4-9.2-20.6-20.5-20.6zm-38.6 130.6s-3.6-4.3-6.6-8.1c13.1-3.7 18.1-11.9 18.1-11.9-4.1 2.7-8 4.6-11.5 5.9-5 2.1-9.8 3.5-14.5 4.3-9.6 1.8-18.4 1.3-25.9-.1-5.7-1.1-10.6-2.7-14.7-4.3-2.3-.9-4.8-2-7.3-3.4-.3-.2-.6-.3-.9-.5-.2-.1-.3-.2-.4-.3-1.8-1-2.8-1.7-2.8-1.7s4.8 8 17.5 11.8c-3 3.8-6.7 8.3-6.7 8.3-22.1-.7-30.5-15.2-30.5-15.2 0-32.2 14.4-58.3 14.4-58.3 14.4-10.8 28.1-10.5 28.1-10.5l1 1.2c-18 5.2-26.3 13.1-26.3 13.1s2.2-1.2 5.9-2.9c10.7-4.7 19.2-6 22.7-6.3.6-.1 1.1-.2 1.7-.2 6.1-.8 13-1 20.2-.2 9.5 1.1 19.7 3.9 30.1 9.6 0 0-7.9-7.5-24.9-12.7l1.4-1.6s13.7-.3 28.1 10.5c0 0 14.4 26.1 14.4 58.3 0 0-8.5 14.5-30.6 15.2z"/>
+      </svg>
+    </a>
+  </div>
+
+  <!-- Footer -->
+  <footer>
+      Love Angular?&nbsp;
+      <a href="https://github.com/angular/angular" target="_blank" rel="noopener"> Give our repo a star.
+        <div class="github-star-badge">
+            <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/></svg>
+          Star
+        </div>
+      </a>
+      <a href="https://github.com/angular/angular" target="_blank" rel="noopener">
+        <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z" fill="#1976d2"/><path d="M0 0h24v24H0z" fill="none"/></svg>
+      </a>
+  </footer>
+
+  <svg id="clouds" xmlns="http://www.w3.org/2000/svg" width="2611.084" height="485.677" viewBox="0 0 2611.084 485.677">
+    <title>Gray Clouds Background</title>
+    <path id="Path_39" data-name="Path 39" d="M2379.709,863.793c10-93-77-171-168-149-52-114-225-105-264,15-75,3-140,59-152,133-30,2.83-66.725,9.829-93.5,26.25-26.771-16.421-63.5-23.42-93.5-26.25-12-74-77-130-152-133-39-120-212-129-264-15-54.084-13.075-106.753,9.173-138.488,48.9-31.734-39.726-84.4-61.974-138.487-48.9-52-114-225-105-264,15a162.027,162.027,0,0,0-103.147,43.044c-30.633-45.365-87.1-72.091-145.206-58.044-52-114-225-105-264,15-75,3-140,59-152,133-53,5-127,23-130,83-2,42,35,72,70,86,49,20,106,18,157,5a165.625,165.625,0,0,0,120,0c47,94,178,113,251,33,61.112,8.015,113.854-5.72,150.492-29.764a165.62,165.62,0,0,0,110.861-3.236c47,94,178,113,251,33,31.385,4.116,60.563,2.495,86.487-3.311,25.924,5.806,55.1,7.427,86.488,3.311,73,80,204,61,251-33a165.625,165.625,0,0,0,120,0c51,13,108,15,157-5a147.188,147.188,0,0,0,33.5-18.694,147.217,147.217,0,0,0,33.5,18.694c49,20,106,18,157,5a165.625,165.625,0,0,0,120,0c47,94,178,113,251,33C2446.709,1093.793,2554.709,922.793,2379.709,863.793Z" transform="translate(142.69 -634.312)" fill="#eee"/>
+  </svg>
+
+</div>
+
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * The content above * * * * * * * * * * * -->
+<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
+<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * End of Placeholder * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+
+<router-outlet></router-outlet>
diff --git a/frontend/kaiser/srcback/app/app.component.spec.ts b/frontend/kaiser/srcback/app/app.component.spec.ts
new file mode 100644
index 0000000..74ca566
--- /dev/null
+++ b/frontend/kaiser/srcback/app/app.component.spec.ts
@@ -0,0 +1,35 @@
+import { TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+import { AppComponent } from './app.component';
+
+describe('AppComponent', () => {
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [
+        RouterTestingModule
+      ],
+      declarations: [
+        AppComponent
+      ],
+    }).compileComponents();
+  });
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'kaiser'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app.title).toEqual('kaiser');
+  });
+
+  it('should render title', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.nativeElement as HTMLElement;
+    expect(compiled.querySelector('.content span')?.textContent).toContain('kaiser app is running!');
+  });
+});
diff --git a/frontend/kaiser/srcback/app/app.component.ts b/frontend/kaiser/srcback/app/app.component.ts
new file mode 100644
index 0000000..0d6fdce
--- /dev/null
+++ b/frontend/kaiser/srcback/app/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.css']
+})
+export class AppComponent {
+  title = 'kaiser';
+}
diff --git a/frontend/kaiser/srcback/app/app.module.ts b/frontend/kaiser/srcback/app/app.module.ts
new file mode 100644
index 0000000..b1c6c96
--- /dev/null
+++ b/frontend/kaiser/srcback/app/app.module.ts
@@ -0,0 +1,18 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+
+import { AppRoutingModule } from './app-routing.module';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  declarations: [
+    AppComponent
+  ],
+  imports: [
+    BrowserModule,
+    AppRoutingModule
+  ],
+  providers: [],
+  bootstrap: [AppComponent]
+})
+export class AppModule { }
diff --git a/frontend/kaiser/srcback/assets/.gitkeep b/frontend/kaiser/srcback/assets/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/srcback/environments/environment.prod.ts b/frontend/kaiser/srcback/environments/environment.prod.ts
new file mode 100644
index 0000000..3612073
--- /dev/null
+++ b/frontend/kaiser/srcback/environments/environment.prod.ts
@@ -0,0 +1,3 @@
+export const environment = {
+  production: true
+};
diff --git a/frontend/kaiser/srcback/environments/environment.ts b/frontend/kaiser/srcback/environments/environment.ts
new file mode 100644
index 0000000..f56ff47
--- /dev/null
+++ b/frontend/kaiser/srcback/environments/environment.ts
@@ -0,0 +1,16 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/plugins/zone-error';  // Included with Angular CLI.
diff --git a/frontend/kaiser/srcback/favicon.ico b/frontend/kaiser/srcback/favicon.ico
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diff --git a/frontend/kaiser/srcback/index.html b/frontend/kaiser/srcback/index.html
new file mode 100644
index 0000000..e5e39af
--- /dev/null
+++ b/frontend/kaiser/srcback/index.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>Kaiser</title>
+  <base href="/">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="icon" type="image/x-icon" href="favicon.ico">
+</head>
+<body>
+  <app-root></app-root>
+</body>
+</html>
diff --git a/frontend/kaiser/srcback/main.ts b/frontend/kaiser/srcback/main.ts
new file mode 100644
index 0000000..c7b673c
--- /dev/null
+++ b/frontend/kaiser/srcback/main.ts
@@ -0,0 +1,12 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule)
+  .catch(err => console.error(err));
diff --git a/frontend/kaiser/srcback/polyfills.ts b/frontend/kaiser/srcback/polyfills.ts
new file mode 100644
index 0000000..429bb9e
--- /dev/null
+++ b/frontend/kaiser/srcback/polyfills.ts
@@ -0,0 +1,53 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes recent versions of Safari, Chrome (including
+ * Opera), Edge on the desktop, and iOS and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js';  // Included with Angular CLI.
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
diff --git a/frontend/kaiser/srcback/styles.css b/frontend/kaiser/srcback/styles.css
new file mode 100644
index 0000000..90d4ee0
--- /dev/null
+++ b/frontend/kaiser/srcback/styles.css
@@ -0,0 +1 @@
+/* You can add global styles to this file, and also import other style files */
diff --git a/frontend/kaiser/srcback/test.ts b/frontend/kaiser/srcback/test.ts
new file mode 100644
index 0000000..00025da
--- /dev/null
+++ b/frontend/kaiser/srcback/test.ts
@@ -0,0 +1,26 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: {
+  context(path: string, deep?: boolean, filter?: RegExp): {
+    <T>(id: string): T;
+    keys(): string[];
+  };
+};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting(),
+);
+
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);

From 6dc93136d857ac68f03b92366ccef3ce611c8422 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Fri, 11 Nov 2022 05:46:00 +0200
Subject: [PATCH 12/25] More mappers

---
 frontend/kaiser/package-lock.json             | 18 ++++++-------
 frontend/kaiser/package.json                  |  2 +-
 .../kaiser/src/app/anime/anime.component.css  |  0
 .../kaiser/src/app/anime/anime.component.html | 17 +++++++++++++
 .../src/app/anime/anime.component.spec.ts     | 25 +++++++++++++++++++
 .../kaiser/src/app/anime/anime.component.ts   | 19 ++++++++++++++
 frontend/kaiser/src/app/app-routing.module.ts |  6 ++++-
 frontend/kaiser/src/app/app.module.ts         |  6 ++++-
 .../kaiser/src/app/movie/movie.component.css  |  0
 .../kaiser/src/app/movie/movie.component.html | 17 +++++++++++++
 .../src/app/movie/movie.component.spec.ts     | 25 +++++++++++++++++++
 .../kaiser/src/app/movie/movie.component.ts   | 19 ++++++++++++++
 .../kaiser/src/app/service/anime.service.ts   | 23 +++++++++++++++++
 .../kaiser/src/app/service/movie.service.ts   | 23 +++++++++++++++++
 frontend/kaiser/src/assets/anime.json         |  6 +++++
 frontend/kaiser/src/assets/movie.json         |  6 +++++
 16 files changed, 200 insertions(+), 12 deletions(-)
 create mode 100644 frontend/kaiser/src/app/anime/anime.component.css
 create mode 100644 frontend/kaiser/src/app/anime/anime.component.html
 create mode 100644 frontend/kaiser/src/app/anime/anime.component.spec.ts
 create mode 100644 frontend/kaiser/src/app/anime/anime.component.ts
 create mode 100644 frontend/kaiser/src/app/movie/movie.component.css
 create mode 100644 frontend/kaiser/src/app/movie/movie.component.html
 create mode 100644 frontend/kaiser/src/app/movie/movie.component.spec.ts
 create mode 100644 frontend/kaiser/src/app/movie/movie.component.ts
 create mode 100644 frontend/kaiser/src/app/service/anime.service.ts
 create mode 100644 frontend/kaiser/src/app/service/movie.service.ts
 create mode 100644 frontend/kaiser/src/assets/anime.json
 create mode 100644 frontend/kaiser/src/assets/movie.json

diff --git a/frontend/kaiser/package-lock.json b/frontend/kaiser/package-lock.json
index a186360..8b105fc 100644
--- a/frontend/kaiser/package-lock.json
+++ b/frontend/kaiser/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "dependencies": {
         "@angular/animations": "~13.3.0",
-        "@angular/cdk": "^13.3.8",
+        "@angular/cdk": "^13.3.9",
         "@angular/common": "~13.3.0",
         "@angular/compiler": "~13.3.0",
         "@angular/core": "~13.3.0",
@@ -346,9 +346,9 @@
       }
     },
     "node_modules/@angular/cdk": {
-      "version": "13.3.8",
-      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-13.3.8.tgz",
-      "integrity": "sha512-ciLYoVxsqnA9hGJTUW74A56NjArYhFdqFYmVDimWWNYAgY7jY1gCfKq9UtixUErDi29FGSCWRbLuZ6w4q0NYnA==",
+      "version": "13.3.9",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-13.3.9.tgz",
+      "integrity": "sha512-XCuCbeuxWFyo3EYrgEYx7eHzwl76vaWcxtWXl00ka8d+WAOtMQ6Tf1D98ybYT5uwF9889fFpXAPw98mVnlo3MA==",
       "dependencies": {
         "tslib": "^2.3.0"
       },
@@ -5791,7 +5791,7 @@
     "node_modules/font-awesome": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/font-awesome/-/font-awesome-4.7.0.tgz",
-      "integrity": "sha1-j6jPBBGhoxr9B7BtKQK7n8gVoTM=",
+      "integrity": "sha512-U6kGnykA/6bFmg1M/oT9EkFeIYv7JlX3bozwQJWiiLz6L0w3F5vBVPxHlwyX/vtNq1ckcpRKOB9f2Qal/VtFpg==",
       "engines": {
         "node": ">=0.10.3"
       }
@@ -11948,9 +11948,9 @@
       }
     },
     "@angular/cdk": {
-      "version": "13.3.8",
-      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-13.3.8.tgz",
-      "integrity": "sha512-ciLYoVxsqnA9hGJTUW74A56NjArYhFdqFYmVDimWWNYAgY7jY1gCfKq9UtixUErDi29FGSCWRbLuZ6w4q0NYnA==",
+      "version": "13.3.9",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-13.3.9.tgz",
+      "integrity": "sha512-XCuCbeuxWFyo3EYrgEYx7eHzwl76vaWcxtWXl00ka8d+WAOtMQ6Tf1D98ybYT5uwF9889fFpXAPw98mVnlo3MA==",
       "requires": {
         "parse5": "^5.0.0",
         "tslib": "^2.3.0"
@@ -15933,7 +15933,7 @@
     "font-awesome": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/font-awesome/-/font-awesome-4.7.0.tgz",
-      "integrity": "sha1-j6jPBBGhoxr9B7BtKQK7n8gVoTM="
+      "integrity": "sha512-U6kGnykA/6bFmg1M/oT9EkFeIYv7JlX3bozwQJWiiLz6L0w3F5vBVPxHlwyX/vtNq1ckcpRKOB9f2Qal/VtFpg=="
     },
     "forwarded": {
       "version": "0.2.0",
diff --git a/frontend/kaiser/package.json b/frontend/kaiser/package.json
index 7e8fb18..462adda 100644
--- a/frontend/kaiser/package.json
+++ b/frontend/kaiser/package.json
@@ -11,7 +11,7 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "~13.3.0",
-    "@angular/cdk": "^13.3.8",
+    "@angular/cdk": "^13.3.9",
     "@angular/common": "~13.3.0",
     "@angular/compiler": "~13.3.0",
     "@angular/core": "~13.3.0",
diff --git a/frontend/kaiser/src/app/anime/anime.component.css b/frontend/kaiser/src/app/anime/anime.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/src/app/anime/anime.component.html b/frontend/kaiser/src/app/anime/anime.component.html
new file mode 100644
index 0000000..012aba9
--- /dev/null
+++ b/frontend/kaiser/src/app/anime/anime.component.html
@@ -0,0 +1,17 @@
+<!-- <p>anime works!</p> -->
+<p-table [value]="anime">
+  <ng-template pTemplate="header">
+    <tr>
+      <th>Name</th>
+      <th>Release Date</th>
+      <th>Rating</th>
+    </tr>
+  </ng-template>
+  <ng-template pTemplate="body" let-anime>
+    <tr>
+      <td>{{anime.name}}</td>
+      <td>{{anime.releaseDate}}</td>
+      <td>{{anime.rating}}</td>
+    </tr>
+  </ng-template>
+</p-table>
diff --git a/frontend/kaiser/src/app/anime/anime.component.spec.ts b/frontend/kaiser/src/app/anime/anime.component.spec.ts
new file mode 100644
index 0000000..b8eed25
--- /dev/null
+++ b/frontend/kaiser/src/app/anime/anime.component.spec.ts
@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AnimeComponent } from './anime.component';
+
+describe('AnimeComponent', () => {
+  let component: AnimeComponent;
+  let fixture: ComponentFixture<AnimeComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ AnimeComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AnimeComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/anime/anime.component.ts b/frontend/kaiser/src/app/anime/anime.component.ts
new file mode 100644
index 0000000..e2e5c74
--- /dev/null
+++ b/frontend/kaiser/src/app/anime/anime.component.ts
@@ -0,0 +1,19 @@
+import { Component, OnInit } from '@angular/core';
+import { AnimeService, Anime } from '../service/anime.service';
+
+@Component({
+  selector: 'app-anime',
+  templateUrl: './anime.component.html',
+  styleUrls: ['./anime.component.css']
+})
+export class AnimeComponent implements OnInit {
+
+  anime: Anime[];
+  constructor(private animeService: AnimeService) { }
+
+  ngOnInit(): void {
+    this.animeService.getAnime().
+      then(anime => this.anime = anime);
+  }
+
+}
diff --git a/frontend/kaiser/src/app/app-routing.module.ts b/frontend/kaiser/src/app/app-routing.module.ts
index 1dc3447..dac55c8 100644
--- a/frontend/kaiser/src/app/app-routing.module.ts
+++ b/frontend/kaiser/src/app/app-routing.module.ts
@@ -1,9 +1,13 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
+import { AnimeComponent } from './anime/anime.component';
 import { BookDataComponent } from './book-data/book-data.component';
+import { MovieComponent } from './movie/movie.component';
 
 const routes: Routes = [
-  { path: 'books', component: BookDataComponent }
+  { path: 'books', component: BookDataComponent },
+  { path: 'anime', component: AnimeComponent },
+  { path: 'movie', component: MovieComponent}
 ];
 
 @NgModule({
diff --git a/frontend/kaiser/src/app/app.module.ts b/frontend/kaiser/src/app/app.module.ts
index 572f52c..13ef19c 100644
--- a/frontend/kaiser/src/app/app.module.ts
+++ b/frontend/kaiser/src/app/app.module.ts
@@ -7,11 +7,15 @@ import { BookDataComponent } from './book-data/book-data.component';
 import {TableModule} from 'primeng/table';
 import { FormsModule } from '@angular/forms';
 import { HttpClientModule } from '@angular/common/http';
+import { AnimeComponent } from './anime/anime.component';
+import { MovieComponent } from './movie/movie.component';
 
 @NgModule({
   declarations: [
     AppComponent,
-    BookDataComponent
+    BookDataComponent,
+    AnimeComponent,
+    MovieComponent
   ],
   imports: [
     BrowserModule,
diff --git a/frontend/kaiser/src/app/movie/movie.component.css b/frontend/kaiser/src/app/movie/movie.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/src/app/movie/movie.component.html b/frontend/kaiser/src/app/movie/movie.component.html
new file mode 100644
index 0000000..1f79938
--- /dev/null
+++ b/frontend/kaiser/src/app/movie/movie.component.html
@@ -0,0 +1,17 @@
+<p>movie works!</p>
+<p-table [value]="movie">
+    <ng-template pTemplate="header">
+      <tr>
+        <th>Name</th>
+        <th>Release Date</th>
+        <th>Rating</th>
+      </tr>
+    </ng-template>
+    <ng-template pTemplate="body" let-movie>
+      <tr>
+        <td>{{movie.name}}</td>
+        <td>{{movie.releaseDate}}</td>
+        <td>{{movie.rating}}</td>
+      </tr>
+    </ng-template>
+  </p-table>
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/movie/movie.component.spec.ts b/frontend/kaiser/src/app/movie/movie.component.spec.ts
new file mode 100644
index 0000000..ffde282
--- /dev/null
+++ b/frontend/kaiser/src/app/movie/movie.component.spec.ts
@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MovieComponent } from './movie.component';
+
+describe('MovieComponent', () => {
+  let component: MovieComponent;
+  let fixture: ComponentFixture<MovieComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ MovieComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(MovieComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/movie/movie.component.ts b/frontend/kaiser/src/app/movie/movie.component.ts
new file mode 100644
index 0000000..dc7f001
--- /dev/null
+++ b/frontend/kaiser/src/app/movie/movie.component.ts
@@ -0,0 +1,19 @@
+import { Component, OnInit } from '@angular/core';
+import { Movie, MovieService } from '../service/movie.service';
+
+@Component({
+  selector: 'app-movie',
+  templateUrl: './movie.component.html',
+  styleUrls: ['./movie.component.css']
+})
+export class MovieComponent implements OnInit {
+
+  movie: Movie[];
+  constructor(private movieService: MovieService) { }
+
+  ngOnInit(): void {
+    this.movieService.getMovie().
+      then(movie => this.movie = movie);
+  }
+
+}
diff --git a/frontend/kaiser/src/app/service/anime.service.ts b/frontend/kaiser/src/app/service/anime.service.ts
new file mode 100644
index 0000000..bef8edd
--- /dev/null
+++ b/frontend/kaiser/src/app/service/anime.service.ts
@@ -0,0 +1,23 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+export interface Anime {
+  name;
+  releaseDate;
+  rating;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AnimeService {
+
+  constructor(private http: HttpClient) {}
+
+  getAnime() {
+    return this.http.get<any>('assets/anime.json')
+      .toPromise()
+      .then(res => <Anime[]>res.data)
+      .then(data => { return data; });
+    }
+}
diff --git a/frontend/kaiser/src/app/service/movie.service.ts b/frontend/kaiser/src/app/service/movie.service.ts
new file mode 100644
index 0000000..037f5bd
--- /dev/null
+++ b/frontend/kaiser/src/app/service/movie.service.ts
@@ -0,0 +1,23 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+export interface Movie {
+  name;
+  releaseDate;
+  rating;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class MovieService {
+
+  constructor(private http: HttpClient) {}
+
+  getMovie() {
+    return this.http.get<any>('assets/movie.json')
+      .toPromise()
+      .then(res => <Movie[]>res.data)
+      .then(data => { return data; });
+    }
+}
diff --git a/frontend/kaiser/src/assets/anime.json b/frontend/kaiser/src/assets/anime.json
new file mode 100644
index 0000000..1c4deae
--- /dev/null
+++ b/frontend/kaiser/src/assets/anime.json
@@ -0,0 +1,6 @@
+{
+    "data": [
+        {"name": "TFate Stay Night", "releaseDate": "2006/6/17", "rating": "7.28"},
+        {"name": "Mobile Suit Gundam SEED", "releaseDate": "2003/9/27", "rating": "7.75"}
+    ]
+}
diff --git a/frontend/kaiser/src/assets/movie.json b/frontend/kaiser/src/assets/movie.json
new file mode 100644
index 0000000..fc90919
--- /dev/null
+++ b/frontend/kaiser/src/assets/movie.json
@@ -0,0 +1,6 @@
+{
+    "data": [
+        {"name": "Black Panther: Wakanda Forever", "releaseDate": "2022", "rating": "7.4"},
+        {"name": "Top Gun Maverick", "releaseDate": "2022", "rating": "8.4"}
+    ]
+}
\ No newline at end of file

From 1e6921bec938238b28968a90d9f32d97aa2b041e Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Fri, 11 Nov 2022 05:47:39 +0200
Subject: [PATCH 13/25] frontend stuff

---
 frontend/kaiser/src/app/service/book.service.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/frontend/kaiser/src/app/service/book.service.ts b/frontend/kaiser/src/app/service/book.service.ts
index 3ad049c..95ac6fe 100644
--- a/frontend/kaiser/src/app/service/book.service.ts
+++ b/frontend/kaiser/src/app/service/book.service.ts
@@ -16,6 +16,7 @@ export class BookService {
 
   getBooks() {
     return this.http.get<any>('assets/books.json')
+    
       .toPromise()
       .then(res => <Book[]>res.data)
       .then(data => { return data; });

From 27e20f0715fbcc54b5e2d77df6666432443ae3d9 Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Wed, 16 Nov 2022 06:39:45 +0200
Subject: [PATCH 14/25] Adding a studentsGradeDto example and connecting to
 Frontend

---
 frontend/kaiser/angular.json                  |  4 ++
 frontend/kaiser/prox.conf.json                |  8 ++++
 frontend/kaiser/src/app/app-routing.module.ts |  4 +-
 frontend/kaiser/src/app/app.module.ts         |  4 +-
 .../src/app/service/studentsGrade.service.ts  | 32 +++++++++++++
 .../studentsGrade/studentsGrade.component.css |  0
 .../studentsGrade.component.html              | 19 ++++++++
 .../studentsGrade/studentsGrade.component.ts  | 46 +++++++++++++++++++
 8 files changed, 115 insertions(+), 2 deletions(-)
 create mode 100644 frontend/kaiser/prox.conf.json
 create mode 100644 frontend/kaiser/src/app/service/studentsGrade.service.ts
 create mode 100644 frontend/kaiser/src/app/studentsGrade/studentsGrade.component.css
 create mode 100644 frontend/kaiser/src/app/studentsGrade/studentsGrade.component.html
 create mode 100644 frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts

diff --git a/frontend/kaiser/angular.json b/frontend/kaiser/angular.json
index b863d0f..3de951a 100644
--- a/frontend/kaiser/angular.json
+++ b/frontend/kaiser/angular.json
@@ -69,6 +69,10 @@
         },
         "serve": {
           "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "browserTarget": "angular-nodejs-example:build",
+            "proxyConfig": "prox.conf.json"
+          },
           "configurations": {
             "production": {
               "browserTarget": "kaiser:build:production"
diff --git a/frontend/kaiser/prox.conf.json b/frontend/kaiser/prox.conf.json
new file mode 100644
index 0000000..6e6dd8e
--- /dev/null
+++ b/frontend/kaiser/prox.conf.json
@@ -0,0 +1,8 @@
+{
+    "/api": {
+      "target": "http://localhost:8080",
+      "secure": false,
+      "changeOrigin": true,
+      "pathRewrite": {"^/api" : ""}
+    }
+  } 
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/app-routing.module.ts b/frontend/kaiser/src/app/app-routing.module.ts
index dac55c8..93cfc42 100644
--- a/frontend/kaiser/src/app/app-routing.module.ts
+++ b/frontend/kaiser/src/app/app-routing.module.ts
@@ -3,11 +3,13 @@ import { Routes, RouterModule } from '@angular/router';
 import { AnimeComponent } from './anime/anime.component';
 import { BookDataComponent } from './book-data/book-data.component';
 import { MovieComponent } from './movie/movie.component';
+import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component';
 
 const routes: Routes = [
   { path: 'books', component: BookDataComponent },
   { path: 'anime', component: AnimeComponent },
-  { path: 'movie', component: MovieComponent}
+  { path: 'movie', component: MovieComponent},
+  { path: 'studentsGrade', component: StudentsGradeComponent}
 ];
 
 @NgModule({
diff --git a/frontend/kaiser/src/app/app.module.ts b/frontend/kaiser/src/app/app.module.ts
index 13ef19c..a82aa79 100644
--- a/frontend/kaiser/src/app/app.module.ts
+++ b/frontend/kaiser/src/app/app.module.ts
@@ -9,13 +9,15 @@ import { FormsModule } from '@angular/forms';
 import { HttpClientModule } from '@angular/common/http';
 import { AnimeComponent } from './anime/anime.component';
 import { MovieComponent } from './movie/movie.component';
+import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component';
 
 @NgModule({
   declarations: [
     AppComponent,
     BookDataComponent,
     AnimeComponent,
-    MovieComponent
+    MovieComponent,
+    StudentsGradeComponent
   ],
   imports: [
     BrowserModule,
diff --git a/frontend/kaiser/src/app/service/studentsGrade.service.ts b/frontend/kaiser/src/app/service/studentsGrade.service.ts
new file mode 100644
index 0000000..dc868f4
--- /dev/null
+++ b/frontend/kaiser/src/app/service/studentsGrade.service.ts
@@ -0,0 +1,32 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+export interface StudentsGradeDto {
+  name: String;
+  email: String;
+  gradeId: number;
+  homeGradeTeacherId: number;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class StudentsGradeService {
+
+  constructor(private http: HttpClient) {}
+
+  rootURL = '/api';
+
+  //Get
+  getStudentsDtoList() {
+    return this.http.get(this.rootURL + '/getStudentDtoList');
+  }
+
+
+  //Post
+//   addUser(user: any, id: number) {
+// 	user.id = id;
+// 	return this.http.post(this.rootURL + '/user', user);
+//   }
+
+}
diff --git a/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.css b/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.html b/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.html
new file mode 100644
index 0000000..3cfeef2
--- /dev/null
+++ b/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.html
@@ -0,0 +1,19 @@
+<p>STUDENTS GRADE TIME</p>
+<p-table [value]="studentsGradeDto">
+    <ng-template pTemplate="header">
+      <tr>
+        <th>Email</th>
+        <th>Name</th>
+        <th>Grade ID</th>
+        <th>homeGradeTeacherId</th>
+      </tr>
+    </ng-template>
+    <ng-template pTemplate="body" let-sg>
+      <tr>
+        <td>{{sg.email}}</td>
+        <td>{{sg.name}}</td>
+        <td>{{sg.gradeId}}</td>
+        <td>{{sg.homeGradeTeacherId}}</td>
+      </tr>
+    </ng-template>
+  </p-table>
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts b/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts
new file mode 100644
index 0000000..6031aab
--- /dev/null
+++ b/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts
@@ -0,0 +1,46 @@
+import { Component, OnDestroy, OnInit } from '@angular/core';
+import { takeUntil } from 'rxjs';
+import { StudentsGradeDto, StudentsGradeService } from '../service/studentsGrade.service';
+
+@Component({
+  selector: 'app-studentsGrade',
+  templateUrl: './studentsGrade.component.html',
+  styleUrls: ['./studentsGrade.component.css']
+})
+export class StudentsGradeComponent implements OnInit {
+  
+  // destroy$: Subject<boolean> = new Subject<boolean>(); 
+
+  studentsGradeDto: StudentsGradeDto[];
+  
+  constructor(private studentsGradeService: StudentsGradeService) { }
+  
+  ngOnInit(): void {
+    // this.studentsGradeDto = this.studentsGradeService.getStudentsDtoList();
+      // then(studentsGradeServiceResult => this.studentsGradeDto = studentsGradeServiceResult);
+      this.studentsGradeDto = [];
+      this.getStudentsGradeDto();
+  }
+
+  getStudentsGradeDto() {
+    this.studentsGradeService.getStudentsDtoList().subscribe((studentsGradeServiceResult: any) => {
+		let stud = studentsGradeServiceResult;
+
+    studentsGradeServiceResult.forEach((element: { email: string; name: string; gradeId: number; homeGradeTeacherId: number; }) => {
+      let sgd = {
+        email: "",
+        name: '',
+        gradeId: 0,
+        homeGradeTeacherId: 0,
+      };
+      sgd.email = element.email;
+      sgd.name = element.name;
+      sgd.gradeId = element.gradeId;
+      sgd.homeGradeTeacherId = element.homeGradeTeacherId;
+      this.studentsGradeDto.push(sgd);
+    });
+    
+    });
+  }
+
+}

From 836db4c04f38b00285911482622dc28bfface483 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Fri, 25 Nov 2022 05:33:30 +0200
Subject: [PATCH 15/25] frontend stuff

---
 .../business/video/VideoLikeDto.java          | 23 +++++++++++++++++++
 .../business/video/VideoService.java          | 15 ++++++++++++
 .../controller/VideoController.java           |  7 +++++-
 3 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoLikeDto.java

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoLikeDto.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoLikeDto.java
new file mode 100644
index 0000000..b24a3a7
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoLikeDto.java
@@ -0,0 +1,23 @@
+package com.example.springKaiser.business.video;
+
+public class VideoLikeDto {
+    private String name;
+    private int likes;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+
+    public int getLikes() {
+        return likes;
+    }
+
+    public void setLikes(int likes) {
+        this.likes = likes;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
index 585caf9..662500c 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
@@ -59,6 +59,21 @@ public List<VideoDto> listVideoDto() {
         return videoDtoList;
     }
 
+    public List<VideoLikeDto> listVideoLikesDto() {
+        List<VideoLikeDto> videoLikeDtoList = new ArrayList<>();
+        List<Video> videoListFromRepository = videoRepository.findAll();
+        for (Video videoList : videoListFromRepository) {
+            videoLikeDtoList.add(this.convertLikeDto(videoList));
+        }
+        return videoLikeDtoList;
+    }
+    private VideoLikeDto convertLikeDto(Video video){
+        VideoLikeDto dto = new VideoLikeDto();
+        dto.setName(video.getName());
+        dto.setLikes(video.getLikes());
+//        Channel channel = channelRepository.findById(video.getChannel().getId()).get();
+        return dto;
+    }
 //Homework
     private VideoDto convertDto(Video video){
         VideoDto dto = new VideoDto();
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java
index 2486873..e0ef138 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java
@@ -1,6 +1,7 @@
 package com.example.springKaiser.controller;
 
 import com.example.springKaiser.business.video.VideoDto;
+import com.example.springKaiser.business.video.VideoLikeDto;
 import com.example.springKaiser.business.video.VideoService;
 import com.example.springKaiser.entities.Video;
 import com.example.springKaiser.repositories.VideoRepository;
@@ -31,10 +32,14 @@ public List<Video> listVideo() {
 
         @GetMapping("/videoListDto")
         public List<VideoDto> listVideoDto() {
-
             return videoService.listVideoDto();
         }
 
+        @GetMapping("/videoLikeListDto")
+        public List<VideoLikeDto> listVideoLikeDto() {
+            return videoService.listVideoLikesDto();
+        }
+
 //        @GetMapping("/listVideoByChannel/{channelName}")
 //        public List<Video> listByChannel(@PathVariable String channelName){
 //            return videoService.listByChannel(channelName);

From 8ba7328fb2b378f1bc0201400916078d71a6cc3f Mon Sep 17 00:00:00 2001
From: Matthew <matthew.dragonmaster@gmail.com>
Date: Fri, 25 Nov 2022 05:54:26 +0200
Subject: [PATCH 16/25] Frontend

---
 .../kaiser/src/app/Model/StudentGradeModel.ts |  6 ++++
 frontend/kaiser/src/app/app.component.html    |  2 --
 .../app/book-data/book-data.component.html    |  6 ++--
 .../src/app/book-data/book-data.component.ts  |  3 +-
 .../app/service/student-list.service.spec.ts  | 16 +++++++++
 .../src/app/service/student-list.service.ts   | 31 ++++++++++++++++
 .../student-list/student-list.component.css   |  0
 .../student-list/student-list.component.html  |  1 +
 .../student-list.component.spec.ts            | 25 +++++++++++++
 .../student-list/student-list.component.ts    | 35 +++++++++++++++++++
 10 files changed, 118 insertions(+), 7 deletions(-)
 create mode 100644 frontend/kaiser/src/app/Model/StudentGradeModel.ts
 create mode 100644 frontend/kaiser/src/app/service/student-list.service.spec.ts
 create mode 100644 frontend/kaiser/src/app/service/student-list.service.ts
 create mode 100644 frontend/kaiser/src/app/student-list/student-list.component.css
 create mode 100644 frontend/kaiser/src/app/student-list/student-list.component.html
 create mode 100644 frontend/kaiser/src/app/student-list/student-list.component.spec.ts
 create mode 100644 frontend/kaiser/src/app/student-list/student-list.component.ts

diff --git a/frontend/kaiser/src/app/Model/StudentGradeModel.ts b/frontend/kaiser/src/app/Model/StudentGradeModel.ts
new file mode 100644
index 0000000..9f88d79
--- /dev/null
+++ b/frontend/kaiser/src/app/Model/StudentGradeModel.ts
@@ -0,0 +1,6 @@
+export interface StudentGradeDto {
+  email: string,
+  name: string,
+  gradeId: number,
+  homeGradeTeacherId: number,
+}
diff --git a/frontend/kaiser/src/app/app.component.html b/frontend/kaiser/src/app/app.component.html
index 39477d6..0680b43 100644
--- a/frontend/kaiser/src/app/app.component.html
+++ b/frontend/kaiser/src/app/app.component.html
@@ -1,3 +1 @@
-
-
 <router-outlet></router-outlet>
diff --git a/frontend/kaiser/src/app/book-data/book-data.component.html b/frontend/kaiser/src/app/book-data/book-data.component.html
index a382051..0490232 100644
--- a/frontend/kaiser/src/app/book-data/book-data.component.html
+++ b/frontend/kaiser/src/app/book-data/book-data.component.html
@@ -3,14 +3,14 @@
       <tr>
           <th>Name</th>
           <th>Author</th>
-          <th>Price In Dollars</th>          
+          <th>Price In Dollars</th>
       </tr>
   </ng-template>
   <ng-template pTemplate="body" let-book>
       <tr>
           <td>{{book.name}}</td>
           <td>{{book.author}}</td>
-          <td>{{book.price}}</td>          
+          <td>{{book.price}}</td>
       </tr>
   </ng-template>
-</p-table>
\ No newline at end of file
+</p-table>
diff --git a/frontend/kaiser/src/app/book-data/book-data.component.ts b/frontend/kaiser/src/app/book-data/book-data.component.ts
index 3c6ec23..5452c8d 100644
--- a/frontend/kaiser/src/app/book-data/book-data.component.ts
+++ b/frontend/kaiser/src/app/book-data/book-data.component.ts
@@ -14,7 +14,6 @@ export class BookDataComponent implements OnInit {
 
   ngOnInit() {
       this.bookService.getBooks().
-      then(books => this.books = books);
+      then(bookReturnData => this.books = bookReturnData);
   }
-
 }
diff --git a/frontend/kaiser/src/app/service/student-list.service.spec.ts b/frontend/kaiser/src/app/service/student-list.service.spec.ts
new file mode 100644
index 0000000..6388a69
--- /dev/null
+++ b/frontend/kaiser/src/app/service/student-list.service.spec.ts
@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { StudentListService } from './student-list.service';
+
+describe('StudentListService', () => {
+  let service: StudentListService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(StudentListService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/service/student-list.service.ts b/frontend/kaiser/src/app/service/student-list.service.ts
new file mode 100644
index 0000000..56e53c4
--- /dev/null
+++ b/frontend/kaiser/src/app/service/student-list.service.ts
@@ -0,0 +1,31 @@
+import { HttpClient } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import { BehaviorSubject, Observable, tap } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class StudentListService {
+
+  constructor(private http: HttpClient) {
+    this.serverMessageSubject= new BehaviorSubject<any>(null);
+  }
+  serverMessageSubject: BehaviorSubject<any>;
+
+
+  Ngoninit() {
+
+  }
+
+  public getData() {
+    this.http
+      .get<any>('http://localhost:8080/studentsList')
+      .pipe(
+        tap((result: any) => {
+          console.log(result);
+        })
+      )
+      .subscribe((data) => {
+        console.log(data);
+});
+}
diff --git a/frontend/kaiser/src/app/student-list/student-list.component.css b/frontend/kaiser/src/app/student-list/student-list.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/src/app/student-list/student-list.component.html b/frontend/kaiser/src/app/student-list/student-list.component.html
new file mode 100644
index 0000000..2af7f2e
--- /dev/null
+++ b/frontend/kaiser/src/app/student-list/student-list.component.html
@@ -0,0 +1 @@
+<p>student-list works!</p>
diff --git a/frontend/kaiser/src/app/student-list/student-list.component.spec.ts b/frontend/kaiser/src/app/student-list/student-list.component.spec.ts
new file mode 100644
index 0000000..cde67bc
--- /dev/null
+++ b/frontend/kaiser/src/app/student-list/student-list.component.spec.ts
@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StudentListComponent } from './student-list.component';
+
+describe('StudentListComponent', () => {
+  let component: StudentListComponent;
+  let fixture: ComponentFixture<StudentListComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ StudentListComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StudentListComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/student-list/student-list.component.ts b/frontend/kaiser/src/app/student-list/student-list.component.ts
new file mode 100644
index 0000000..858a9b5
--- /dev/null
+++ b/frontend/kaiser/src/app/student-list/student-list.component.ts
@@ -0,0 +1,35 @@
+import { HttpClient } from '@angular/common/http';
+import { Component, OnInit } from '@angular/core';
+import { BehaviorSubject, tap } from 'rxjs';
+import { StudentListService } from '../service/student-list.service';
+
+@Component({
+  selector: 'app-student-list',
+  templateUrl: './student-list.component.html',
+  styleUrls: ['./student-list.component.css']
+})
+export class StudentListComponent{
+
+  constructor(private http: HttpClient) {
+    this.serverMessageSubject= new BehaviorSubject<any>(null);
+  }
+  serverMessageSubject: BehaviorSubject<any>;
+
+  ngoninit() {
+    this.getData();
+  }
+
+  getData() {
+    this.http
+      .get<any>('http://localhost:8080/studentsList')
+      .pipe(
+        tap((result: any) => {
+          console.log(result);
+        })
+      )
+      .subscribe((data) => {
+        console.log(data);
+});
+}
+}
+

From b5c3e853e888aa6107445eec733737344ecd5058 Mon Sep 17 00:00:00 2001
From: Matthew <matthew.dragonmaster@gmail.com>
Date: Fri, 25 Nov 2022 06:33:30 +0200
Subject: [PATCH 17/25] Frontend

---
 .../src/app/service/studentsGrade.service.ts  |  8 ------
 .../studentsGrade/studentsGrade.component.ts  | 27 +++++++------------
 2 files changed, 10 insertions(+), 25 deletions(-)

diff --git a/frontend/kaiser/src/app/service/studentsGrade.service.ts b/frontend/kaiser/src/app/service/studentsGrade.service.ts
index dc868f4..db2415a 100644
--- a/frontend/kaiser/src/app/service/studentsGrade.service.ts
+++ b/frontend/kaiser/src/app/service/studentsGrade.service.ts
@@ -1,13 +1,5 @@
 import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
-
-export interface StudentsGradeDto {
-  name: String;
-  email: String;
-  gradeId: number;
-  homeGradeTeacherId: number;
-}
-
 @Injectable({
   providedIn: 'root'
 })
diff --git a/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts b/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts
index 6031aab..ed381b1 100644
--- a/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts
+++ b/frontend/kaiser/src/app/studentsGrade/studentsGrade.component.ts
@@ -1,6 +1,8 @@
 import { Component, OnDestroy, OnInit } from '@angular/core';
 import { takeUntil } from 'rxjs';
-import { StudentsGradeDto, StudentsGradeService } from '../service/studentsGrade.service';
+import { StudentsGradeService } from '../service/studentsGrade.service';
+import { StudentGradeDto } from '../model/studentGradeModel';
+
 
 @Component({
   selector: 'app-studentsGrade',
@@ -8,16 +10,11 @@ import { StudentsGradeDto, StudentsGradeService } from '../service/studentsGrade
   styleUrls: ['./studentsGrade.component.css']
 })
 export class StudentsGradeComponent implements OnInit {
-  
-  // destroy$: Subject<boolean> = new Subject<boolean>(); 
-
-  studentsGradeDto: StudentsGradeDto[];
+  studentsGradeDto: StudentGradeDto[];
   
   constructor(private studentsGradeService: StudentsGradeService) { }
   
   ngOnInit(): void {
-    // this.studentsGradeDto = this.studentsGradeService.getStudentsDtoList();
-      // then(studentsGradeServiceResult => this.studentsGradeDto = studentsGradeServiceResult);
       this.studentsGradeDto = [];
       this.getStudentsGradeDto();
   }
@@ -27,17 +24,13 @@ export class StudentsGradeComponent implements OnInit {
 		let stud = studentsGradeServiceResult;
 
     studentsGradeServiceResult.forEach((element: { email: string; name: string; gradeId: number; homeGradeTeacherId: number; }) => {
-      let sgd = {
-        email: "",
-        name: '',
-        gradeId: 0,
-        homeGradeTeacherId: 0,
+      let studentGradeDtoObject = {
+        email: element.email,
+        name: element.name,
+        gradeId: element.gradeId,
+        homeGradeTeacherId: element.homeGradeTeacherId,
       };
-      sgd.email = element.email;
-      sgd.name = element.name;
-      sgd.gradeId = element.gradeId;
-      sgd.homeGradeTeacherId = element.homeGradeTeacherId;
-      this.studentsGradeDto.push(sgd);
+      this.studentsGradeDto.push(studentGradeDtoObject);
     });
     
     });

From 8646e2da1d1a43049877ab9c0dab155b27c2a293 Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Fri, 25 Nov 2022 06:53:26 +0200
Subject: [PATCH 18/25] Adding teacher service for backend and frontend

---
 .../school/controller/StudentsController.java |  4 +-
 .../school/controller/TeacherController.java  | 41 +++++++++++++
 .../school/teacher/TeacherDto.java            | 22 +++++++
 frontend/kaiser/src/app/app-routing.module.ts |  4 +-
 frontend/kaiser/src/app/app.module.ts         |  4 +-
 .../kaiser/src/app/service/teacher.service.ts | 25 ++++++++
 .../src/app/teacher/teacher.component.css     |  0
 .../src/app/teacher/teacher.component.html    | 28 +++++++++
 .../src/app/teacher/teacher.component.spec.ts | 25 ++++++++
 .../src/app/teacher/teacher.component.ts      | 57 +++++++++++++++++++
 10 files changed, 206 insertions(+), 4 deletions(-)
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/school/controller/TeacherController.java
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/school/teacher/TeacherDto.java
 create mode 100644 frontend/kaiser/src/app/service/teacher.service.ts
 create mode 100644 frontend/kaiser/src/app/teacher/teacher.component.css
 create mode 100644 frontend/kaiser/src/app/teacher/teacher.component.html
 create mode 100644 frontend/kaiser/src/app/teacher/teacher.component.spec.ts
 create mode 100644 frontend/kaiser/src/app/teacher/teacher.component.ts

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/StudentsController.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/StudentsController.java
index 31112bb..c3f1e2c 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/StudentsController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/StudentsController.java
@@ -61,8 +61,8 @@ public String addStudents(@RequestBody StudentDto studentDto) {
     }
 
     @GetMapping("/getStudentDtoList")
-    public List<StudentDto> getStudentsDtos() {
-        return studentsService.getListOfStudents();
+        public List<StudentDto> getStudentsDtos() {
+            return studentsService.getListOfStudents();
     }
 
 }
\ No newline at end of file
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/TeacherController.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/TeacherController.java
new file mode 100644
index 0000000..ee7fce6
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/controller/TeacherController.java
@@ -0,0 +1,41 @@
+package com.example.springKaiser.school.controller;
+
+import com.example.springKaiser.entities.Video;
+import com.example.springKaiser.school.Repository.GradeRepository;
+import com.example.springKaiser.school.Repository.TeacherRepository;
+import com.example.springKaiser.school.entities.Grades;
+import com.example.springKaiser.school.entities.Teachers;
+import com.example.springKaiser.school.teacher.TeacherDto;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class TeacherController {
+
+    @Autowired
+    TeacherRepository teacherRepository;
+    @Autowired
+    GradeRepository gradeRepository;
+
+    @GetMapping("/listTeachers")
+    public List<Teachers> listTeachers() {
+        return teacherRepository.findAll();
+    }
+
+//    @PostMapping("/saveTeacherNames")
+//    public void saveTeacherNames(@RequestBody TeacherDto teacherDto) {
+//        Teachers teachers =  new Teachers();
+//        teachers.setName(teacherDto.getName());
+//        teachers.setName(teacherDto.getSurname());
+////        teachers.setId(0); TODO this needs fixing
+//        Grades grades = gradeRepository.findAll().get(0);
+//        teachers.setGrades(grades);
+//        teacherRepository.save(teachers);
+//    }
+
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/school/teacher/TeacherDto.java b/backend/kaiser/src/main/java/com/example/springKaiser/school/teacher/TeacherDto.java
new file mode 100644
index 0000000..9f10394
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/school/teacher/TeacherDto.java
@@ -0,0 +1,22 @@
+package com.example.springKaiser.school.teacher;
+
+public class TeacherDto {
+    String name;
+    String surname;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getSurname() {
+        return surname;
+    }
+
+    public void setSurname(String surname) {
+        this.surname = surname;
+    }
+}
diff --git a/frontend/kaiser/src/app/app-routing.module.ts b/frontend/kaiser/src/app/app-routing.module.ts
index 93cfc42..84aa69d 100644
--- a/frontend/kaiser/src/app/app-routing.module.ts
+++ b/frontend/kaiser/src/app/app-routing.module.ts
@@ -4,12 +4,14 @@ import { AnimeComponent } from './anime/anime.component';
 import { BookDataComponent } from './book-data/book-data.component';
 import { MovieComponent } from './movie/movie.component';
 import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component';
+import { TeacherComponent } from './teacher/teacher.component';
 
 const routes: Routes = [
   { path: 'books', component: BookDataComponent },
   { path: 'anime', component: AnimeComponent },
   { path: 'movie', component: MovieComponent},
-  { path: 'studentsGrade', component: StudentsGradeComponent}
+  { path: 'studentsGrade', component: StudentsGradeComponent},
+  { path: 'teacher', component: TeacherComponent}
 ];
 
 @NgModule({
diff --git a/frontend/kaiser/src/app/app.module.ts b/frontend/kaiser/src/app/app.module.ts
index a82aa79..f2a4619 100644
--- a/frontend/kaiser/src/app/app.module.ts
+++ b/frontend/kaiser/src/app/app.module.ts
@@ -10,6 +10,7 @@ import { HttpClientModule } from '@angular/common/http';
 import { AnimeComponent } from './anime/anime.component';
 import { MovieComponent } from './movie/movie.component';
 import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component';
+import { TeacherComponent } from './teacher/teacher.component';
 
 @NgModule({
   declarations: [
@@ -17,7 +18,8 @@ import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component'
     BookDataComponent,
     AnimeComponent,
     MovieComponent,
-    StudentsGradeComponent
+    StudentsGradeComponent,
+    TeacherComponent
   ],
   imports: [
     BrowserModule,
diff --git a/frontend/kaiser/src/app/service/teacher.service.ts b/frontend/kaiser/src/app/service/teacher.service.ts
new file mode 100644
index 0000000..1db249d
--- /dev/null
+++ b/frontend/kaiser/src/app/service/teacher.service.ts
@@ -0,0 +1,25 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TeacherService {
+
+  constructor(private http: HttpClient) {}
+
+  rootURL = '/api';
+
+  //Get
+  getTeacherList() {
+    return this.http.get(this.rootURL + '/listTeachers');
+  }
+
+
+  //Post
+  // addTeacher(teachername: TeacherNames) {
+	// return this.http.post<TeacherNames>(this.rootURL + '/saveTeacherNames', teachername);
+  // }
+
+}
diff --git a/frontend/kaiser/src/app/teacher/teacher.component.css b/frontend/kaiser/src/app/teacher/teacher.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/src/app/teacher/teacher.component.html b/frontend/kaiser/src/app/teacher/teacher.component.html
new file mode 100644
index 0000000..3f540a9
--- /dev/null
+++ b/frontend/kaiser/src/app/teacher/teacher.component.html
@@ -0,0 +1,28 @@
+<p>teacher works!</p>
+
+<div *ngIf="enableTeacherInfo">
+    grades: {{grade}}
+    <br>
+    name: {{name}}
+    <br>
+    surname: {{surname}}    
+</div>
+
+<button type="button"
+    (click)="switchTeacherInfo()">
+    Switch Teacher On or Off!
+</button>
+<br><br>
+
+    <!-- <label for="fname">First name:</label><br>
+    <input type="text" id="fname" name="newTeacherName" value="John" [(ngModel)]="newTeacherName" "><br>
+    <label for="lname">Last name:</label><br>
+    <input type="text" id="lname" name="newTeacherSurname" value="Doe" [(ngModel)]="newTeacherSurname" "><br><br>
+    
+    <input type="submit" (click)="saveTeacher()" value="Submit"> -->
+
+<!-- <button type="button"
+    (click)="switchTeacherInfo()">
+    Save Teacher Form.
+</button> -->
+
diff --git a/frontend/kaiser/src/app/teacher/teacher.component.spec.ts b/frontend/kaiser/src/app/teacher/teacher.component.spec.ts
new file mode 100644
index 0000000..9ddefd9
--- /dev/null
+++ b/frontend/kaiser/src/app/teacher/teacher.component.spec.ts
@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TeacherComponent } from './teacher.component';
+
+describe('TeacherComponent', () => {
+  let component: TeacherComponent;
+  let fixture: ComponentFixture<TeacherComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ TeacherComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TeacherComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/teacher/teacher.component.ts b/frontend/kaiser/src/app/teacher/teacher.component.ts
new file mode 100644
index 0000000..30ddaef
--- /dev/null
+++ b/frontend/kaiser/src/app/teacher/teacher.component.ts
@@ -0,0 +1,57 @@
+import { Component, OnInit } from '@angular/core';
+import { TeacherService } from '../service/teacher.service';
+
+export interface TeacherNames {
+  name: String;
+  surname: String;
+}
+
+
+@Component({
+  selector: 'app-teacher',
+  templateUrl: './teacher.component.html',
+  styleUrls: ['./teacher.component.css']
+})
+export class TeacherComponent implements OnInit {
+
+  constructor(private teacherService: TeacherService) { }
+
+  name: string;
+  surname: string;
+  grade: number;
+  enableTeacherInfo: boolean;
+
+  // newTeacherName: string;
+  // newTeacherSurname: string;
+
+
+  ngOnInit(): void {
+    this.enableTeacherInfo = true;
+
+    this.teacherService.getTeacherList().subscribe((teacherResult: any) => {
+      console.log('exampleResult', teacherResult);
+      this.name = teacherResult[0].name;
+      this.surname = teacherResult[0].surname;
+      let grades = teacherResult[0].grades;
+      this.grade = grades.gradenumber;
+    })
+    
+  }
+
+  switchTeacherInfo() {
+    if(this.enableTeacherInfo){
+      this.enableTeacherInfo = false;
+    } else {
+      this.enableTeacherInfo = true;
+    }
+  }
+
+  // saveTeacher() {
+  //   console.log(this.newTeacherName, this.newTeacherSurname);
+  //   let teachernames: TeacherNames;
+  //   // teachernames.name = this.newTeacherName;
+  //   // teachernames.surname = this.newTeacherSurname;
+  //   // this.teacherService.addTeacher()
+  // }
+
+}

From da1eef9eacd61ab94f631ffe28e67966f2eb3932 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Wed, 30 Nov 2022 20:02:55 +0200
Subject: [PATCH 19/25] Homework

---
 .../kaiser/src/app/Model/VideoLikesModel.ts   |  5 ++
 frontend/kaiser/src/app/app-routing.module.ts |  4 +-
 frontend/kaiser/src/app/app.module.ts         |  4 +-
 .../app/service/videoLikeService.service.ts   | 29 ++++++++++
 .../app/videolikes/videolikes.component.css   |  0
 .../app/videolikes/videolikes.component.html  | 22 ++++++++
 .../videolikes/videolikes.component.spec.ts   | 25 +++++++++
 .../app/videolikes/videolikes.component.ts    | 53 +++++++++++++++++++
 8 files changed, 140 insertions(+), 2 deletions(-)
 create mode 100644 frontend/kaiser/src/app/Model/VideoLikesModel.ts
 create mode 100644 frontend/kaiser/src/app/service/videoLikeService.service.ts
 create mode 100644 frontend/kaiser/src/app/videolikes/videolikes.component.css
 create mode 100644 frontend/kaiser/src/app/videolikes/videolikes.component.html
 create mode 100644 frontend/kaiser/src/app/videolikes/videolikes.component.spec.ts
 create mode 100644 frontend/kaiser/src/app/videolikes/videolikes.component.ts

diff --git a/frontend/kaiser/src/app/Model/VideoLikesModel.ts b/frontend/kaiser/src/app/Model/VideoLikesModel.ts
new file mode 100644
index 0000000..0668afd
--- /dev/null
+++ b/frontend/kaiser/src/app/Model/VideoLikesModel.ts
@@ -0,0 +1,5 @@
+export interface videoLikesDto {
+    name: string,
+    likes: number,
+  }
+  
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/app-routing.module.ts b/frontend/kaiser/src/app/app-routing.module.ts
index 84aa69d..fc80486 100644
--- a/frontend/kaiser/src/app/app-routing.module.ts
+++ b/frontend/kaiser/src/app/app-routing.module.ts
@@ -5,13 +5,15 @@ import { BookDataComponent } from './book-data/book-data.component';
 import { MovieComponent } from './movie/movie.component';
 import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component';
 import { TeacherComponent } from './teacher/teacher.component';
+import { VideolikesComponent } from './videolikes/videolikes.component';
 
 const routes: Routes = [
   { path: 'books', component: BookDataComponent },
   { path: 'anime', component: AnimeComponent },
   { path: 'movie', component: MovieComponent},
   { path: 'studentsGrade', component: StudentsGradeComponent},
-  { path: 'teacher', component: TeacherComponent}
+  { path: 'teacher', component: TeacherComponent},
+  { path: 'videolikes', component: VideolikesComponent}
 ];
 
 @NgModule({
diff --git a/frontend/kaiser/src/app/app.module.ts b/frontend/kaiser/src/app/app.module.ts
index f2a4619..8e996cb 100644
--- a/frontend/kaiser/src/app/app.module.ts
+++ b/frontend/kaiser/src/app/app.module.ts
@@ -11,6 +11,7 @@ import { AnimeComponent } from './anime/anime.component';
 import { MovieComponent } from './movie/movie.component';
 import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component';
 import { TeacherComponent } from './teacher/teacher.component';
+import { VideolikesComponent } from './videolikes/videolikes.component';
 
 @NgModule({
   declarations: [
@@ -19,7 +20,8 @@ import { TeacherComponent } from './teacher/teacher.component';
     AnimeComponent,
     MovieComponent,
     StudentsGradeComponent,
-    TeacherComponent
+    TeacherComponent,
+    VideolikesComponent
   ],
   imports: [
     BrowserModule,
diff --git a/frontend/kaiser/src/app/service/videoLikeService.service.ts b/frontend/kaiser/src/app/service/videoLikeService.service.ts
new file mode 100644
index 0000000..459d0ec
--- /dev/null
+++ b/frontend/kaiser/src/app/service/videoLikeService.service.ts
@@ -0,0 +1,29 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+export interface videoLikes {
+    name;
+    likes;
+  }
+
+@Injectable({
+  providedIn: 'root'
+})
+export class VideoLikeService {
+
+  constructor(private http: HttpClient) {}
+
+  rootURL = '/api';
+
+  //Get
+  getVideoList() {
+    return this.http.get(this.rootURL + '/videoLikeListDto');
+  }
+
+
+  //Post
+  // addTeacher(teachername: TeacherNames) {
+	// return this.http.post<TeacherNames>(this.rootURL + '/saveTeacherNames', teachername);
+  // }
+
+}
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.css b/frontend/kaiser/src/app/videolikes/videolikes.component.css
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.html b/frontend/kaiser/src/app/videolikes/videolikes.component.html
new file mode 100644
index 0000000..599668c
--- /dev/null
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.html
@@ -0,0 +1,22 @@
+<p>videolikes works!</p>
+<div *ngIf="enableVideoInfo">
+<p-table [value]="videoLikesDto">
+    <ng-template pTemplate="header">
+      <tr>
+        <th>Video Name</th>
+        <th>Likes</th>
+      </tr>
+    </ng-template>
+    <ng-template pTemplate="body" let-videoLikes>
+      <tr>
+        <td>{{videoLikes.name}}</td>
+        <td>{{videoLikes.likes}}</td>
+      </tr>
+    </ng-template>
+  </p-table>
+</div>
+  <button type="button"
+    (click)="switchVideoLikesInfo()">
+    Switch Table On or Off!
+</button>
+<br><br>
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.spec.ts b/frontend/kaiser/src/app/videolikes/videolikes.component.spec.ts
new file mode 100644
index 0000000..d291aed
--- /dev/null
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.spec.ts
@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { VideolikesComponent } from './videolikes.component';
+
+describe('VideolikesComponent', () => {
+  let component: VideolikesComponent;
+  let fixture: ComponentFixture<VideolikesComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ VideolikesComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(VideolikesComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.ts b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
new file mode 100644
index 0000000..f8d6a83
--- /dev/null
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
@@ -0,0 +1,53 @@
+import { Component, OnInit } from '@angular/core';
+import { VideoLikeService } from '../service/videoLikeService.service';
+import { videoLikesDto } from '../model/VideoLikesModel';
+
+@Component({
+  selector: 'app-videolikes',
+  templateUrl: './videolikes.component.html',
+  styleUrls: ['./videolikes.component.css']
+})
+export class VideolikesComponent implements OnInit {
+
+  constructor(private videoLikeService: VideoLikeService) { }
+  videoName: string;
+  videoLikeCounter: number;
+  videoLikesDto: videoLikesDto[];
+  enableVideoInfo: boolean;
+
+  ngOnInit(): void {
+    this.enableVideoInfo = true;
+
+    this.videoLikesDto = [];
+    this.getVideoLikesDto();
+    // this.videoLikeService.getVideoList().subscribe((videoResult: any) =>{
+    //   this.videoName=videoResult[this.videoLikeCounter].videoName;
+    //   this.videoLikeCounter=videoResult[this.videoLikeCounter].videoLikeCounter;
+    // })
+  }
+
+  getVideoLikesDto() {
+    this.videoLikeService.getVideoList().subscribe((videoLikeServiceResult: any) => {
+		let vid = videoLikeServiceResult;
+
+    videoLikeServiceResult.forEach((element: { name: string; likes: number;}) => {
+      let videoLikesDtoObject = {
+        name: element.name,
+        likes: element.likes,
+      };
+      this.videoLikesDto.push(videoLikesDtoObject);
+    });
+    
+    });
+  }
+
+  switchVideoLikesInfo() {
+    console.log('switch button is working')
+    if(this.enableVideoInfo){
+      this.enableVideoInfo = false;
+    } else {
+      this.enableVideoInfo = true;
+    }
+  }
+
+}

From de115b3756400e61b934c82ec926a432e07400b5 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Wed, 30 Nov 2022 20:09:39 +0200
Subject: [PATCH 20/25] Homework

---
 .../com/example/springKaiser/controller/VideoController.java     | 1 -
 1 file changed, 1 deletion(-)

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java
index e0ef138..a5cb3e3 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/VideoController.java
@@ -26,7 +26,6 @@ public class VideoController {
 
         @GetMapping("/videoList")
         public List<Video> listVideo() {
-
             return videoService.listVideo();
         }
 

From c8a861b55e658c3dc113019dfee03051c145d46e Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Thu, 19 Jan 2023 21:33:23 +0200
Subject: [PATCH 21/25] Homework

---
 .../kaiser/src/app/Model/VideoLikesModel.ts   |  1 +
 frontend/kaiser/src/app/app.module.ts         |  6 ++-
 .../app/videolikes/videolikes.component.css   |  4 ++
 .../app/videolikes/videolikes.component.html  | 40 +++++++++++++++----
 .../app/videolikes/videolikes.component.ts    | 24 +++++++++--
 5 files changed, 63 insertions(+), 12 deletions(-)

diff --git a/frontend/kaiser/src/app/Model/VideoLikesModel.ts b/frontend/kaiser/src/app/Model/VideoLikesModel.ts
index 0668afd..0c67516 100644
--- a/frontend/kaiser/src/app/Model/VideoLikesModel.ts
+++ b/frontend/kaiser/src/app/Model/VideoLikesModel.ts
@@ -1,5 +1,6 @@
 export interface videoLikesDto {
     name: string,
     likes: number,
+    selectedLikes: boolean
   }
   
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/app.module.ts b/frontend/kaiser/src/app/app.module.ts
index 8e996cb..fbb7ba9 100644
--- a/frontend/kaiser/src/app/app.module.ts
+++ b/frontend/kaiser/src/app/app.module.ts
@@ -12,6 +12,8 @@ import { MovieComponent } from './movie/movie.component';
 import { StudentsGradeComponent } from './studentsGrade/studentsGrade.component';
 import { TeacherComponent } from './teacher/teacher.component';
 import { VideolikesComponent } from './videolikes/videolikes.component';
+import {ButtonModule} from 'primeng/button';
+import {CheckboxModule} from 'primeng/checkbox';
 
 @NgModule({
   declarations: [
@@ -28,7 +30,9 @@ import { VideolikesComponent } from './videolikes/videolikes.component';
     AppRoutingModule,
     TableModule,
     FormsModule,
-    HttpClientModule
+    HttpClientModule,
+    ButtonModule,
+    CheckboxModule
   ],
   providers: [],
   bootstrap: [AppComponent]
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.css b/frontend/kaiser/src/app/videolikes/videolikes.component.css
index e69de29..28e8892 100644
--- a/frontend/kaiser/src/app/videolikes/videolikes.component.css
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.css
@@ -0,0 +1,4 @@
+.my-center-text {
+    text-align: center;
+    width: 100%;
+}
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.html b/frontend/kaiser/src/app/videolikes/videolikes.component.html
index 599668c..e78c5a1 100644
--- a/frontend/kaiser/src/app/videolikes/videolikes.component.html
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.html
@@ -1,22 +1,46 @@
-<p>videolikes works!</p>
+<header>
+  <h2>
+    <u>
+      <p>videolikes works!</p>
+    </u>
+  </h2>
+</header>
 <div *ngIf="enableVideoInfo">
-<p-table [value]="videoLikesDto">
+<p-table [value]="videoLikesDto" styleClass="p-datatable-gridlines">
     <ng-template pTemplate="header">
       <tr>
         <th>Video Name</th>
         <th>Likes</th>
+        <th>Select Likes</th>
       </tr>
     </ng-template>
-    <ng-template pTemplate="body" let-videoLikes>
+    <ng-template pTemplate="body" let-videoLikes >
       <tr>
         <td>{{videoLikes.name}}</td>
         <td>{{videoLikes.likes}}</td>
+        <td> 
+          <div class="field-checkbox" class="my-center-text">
+            <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes($event, videoLikes.likes)" name="group1" value={{videoLikes.likes}} ></p-checkbox>
+            <!-- <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes()" name="group1" value=true></p-checkbox> -->
+            <!-- <p-checkbox
+              [(ngModel)]="videoLikes.selectedLikes"
+              (onChange)="totalLikes()"
+              name="mycheckbox"
+              inputId="mycheckbox"
+              binary="true"
+            ></p-checkbox> -->
+          </div>
+        </td>
       </tr>
     </ng-template>
-  </p-table>
+    <ng-template pTemplate="summary">
+      <div class="flex align-items-center justify-content-between">
+        <!-- In total there are {{products ? products.length : 0 }} products. -->
+        Total Likes
+      </div>
+  </ng-template>
+</p-table>
 </div>
-  <button type="button"
-    (click)="switchVideoLikesInfo()">
-    Switch Table On or Off!
-</button>
+<p-button label="Switch Table On or Off!" (click)="switchVideoLikesInfo()" style="float: right;"></p-button>
+<!-- <p-button label="Calculate Likes" (click)="totalLikes()"></p-button> -->
 <br><br>
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.ts b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
index f8d6a83..1b017bf 100644
--- a/frontend/kaiser/src/app/videolikes/videolikes.component.ts
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
@@ -14,6 +14,10 @@ export class VideolikesComponent implements OnInit {
   videoLikeCounter: number;
   videoLikesDto: videoLikesDto[];
   enableVideoInfo: boolean;
+  arraySize: number;
+  likeCounter: number;
+  mycheckbox: boolean;
+  selectedValues: any[];
 
   ngOnInit(): void {
     this.enableVideoInfo = true;
@@ -29,11 +33,12 @@ export class VideolikesComponent implements OnInit {
   getVideoLikesDto() {
     this.videoLikeService.getVideoList().subscribe((videoLikeServiceResult: any) => {
 		let vid = videoLikeServiceResult;
-
-    videoLikeServiceResult.forEach((element: { name: string; likes: number;}) => {
+    
+    videoLikeServiceResult.forEach((element: { name: string; likes: number}) => {
       let videoLikesDtoObject = {
         name: element.name,
         likes: element.likes,
+        selectedLikes: false 
       };
       this.videoLikesDto.push(videoLikesDtoObject);
     });
@@ -50,4 +55,17 @@ export class VideolikesComponent implements OnInit {
     }
   }
 
-}
+  totalLikes(event:any, likesCounter:any){
+    console.log('total button is working')
+    console.log(this.videoLikesDto, 'testing videolikesDto array')
+    console.log(event.checked)
+    // this.likeCounter = 0;
+    // this.arraySize = this.videoLikesDto.length;
+    // for (let i =0; i < this.arraySize; i++) {
+      if(event.checked){
+        this.selectedValues.push(likesCounter);
+      } else {
+        this.selectedValues = this.selectedValues.filter(c => c.id != likesCounter.id);
+      }
+    }
+  }

From b6bd577e7e0c85d905331d95059b6a21b7aecd1e Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Tue, 24 Jan 2023 21:20:22 +0200
Subject: [PATCH 22/25] Cheat for frontend problem 4) Total up the amount of
 likes into Total likes row.

---
 .../app/videolikes/videolikes.component.ts    | 28 +++++++++++++------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.ts b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
index 1b017bf..a7b497e 100644
--- a/frontend/kaiser/src/app/videolikes/videolikes.component.ts
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
@@ -18,6 +18,7 @@ export class VideolikesComponent implements OnInit {
   likeCounter: number;
   mycheckbox: boolean;
   selectedValues: any[];
+  totalCounter = 0;
 
   ngOnInit(): void {
     this.enableVideoInfo = true;
@@ -56,16 +57,27 @@ export class VideolikesComponent implements OnInit {
   }
 
   totalLikes(event:any, likesCounter:any){
-    console.log('total button is working')
-    console.log(this.videoLikesDto, 'testing videolikesDto array')
-    console.log(event.checked)
+    // console.log('total button is working')
+    // console.log(this.videoLikesDto, 'testing videolikesDto array')
+    // console.log(event.checked)
+
     // this.likeCounter = 0;
     // this.arraySize = this.videoLikesDto.length;
     // for (let i =0; i < this.arraySize; i++) {
-      if(event.checked){
-        this.selectedValues.push(likesCounter);
-      } else {
-        this.selectedValues = this.selectedValues.filter(c => c.id != likesCounter.id);
-      }
+      // if(event.checked){
+        // this.selectedValues.push(likesCounter);  -This is broken
+      // } else {
+        // this.selectedValues = this.selectedValues.filter(c => c.id != likesCounter.id); -This is broken
+      // }
+      this.countVideoLikes();
+    }
+
+    countVideoLikes(){
+      this.totalCounter = 0;
+      this.videoLikesDto.forEach( videos => {
+        if(videos.selectedLikes){
+          this.totalCounter += videos.likes
+        }
+      });
     }
   }

From 3d610edb427fe1b192e17db9ea34d22957009e46 Mon Sep 17 00:00:00 2001
From: Charlie <revoflow7@gmail.com>
Date: Tue, 24 Jan 2023 21:20:59 +0200
Subject: [PATCH 23/25] Cheat for frontend problem 4) Total up the amount of
 likes into Total likes row.

---
 .../src/app/videolikes/videolikes.component.html   | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.html b/frontend/kaiser/src/app/videolikes/videolikes.component.html
index e78c5a1..f361167 100644
--- a/frontend/kaiser/src/app/videolikes/videolikes.component.html
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.html
@@ -20,7 +20,7 @@ <h2>
         <td>{{videoLikes.likes}}</td>
         <td> 
           <div class="field-checkbox" class="my-center-text">
-            <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes($event, videoLikes.likes)" name="group1" value={{videoLikes.likes}} ></p-checkbox>
+            <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes($event, videoLikes.likes)" name="group1" [binary]=true ></p-checkbox>
             <!-- <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes()" name="group1" value=true></p-checkbox> -->
             <!-- <p-checkbox
               [(ngModel)]="videoLikes.selectedLikes"
@@ -33,11 +33,15 @@ <h2>
         </td>
       </tr>
     </ng-template>
-    <ng-template pTemplate="summary">
-      <div class="flex align-items-center justify-content-between">
+    <ng-template pTemplate="footer">
+      <!-- <div class="flex align-items-center justify-content-between"> -->
         <!-- In total there are {{products ? products.length : 0 }} products. -->
-        Total Likes
-      </div>
+        <tr>
+          <td>Total Likes</td>
+          <td>{{totalCounter}}</td>
+          <td></td>
+        </tr>
+      <!-- </div> -->
   </ng-template>
 </p-table>
 </div>

From 13a79cf8c7ba0c361663b019842617728c2fd142 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Mon, 6 Feb 2023 07:01:45 +0200
Subject: [PATCH 24/25] Homework

---
 .../app/videolikes/videolikes.component.html  | 19 +++-----------
 .../app/videolikes/videolikes.component.ts    | 25 +++++++------------
 2 files changed, 13 insertions(+), 31 deletions(-)

diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.html b/frontend/kaiser/src/app/videolikes/videolikes.component.html
index f361167..d714904 100644
--- a/frontend/kaiser/src/app/videolikes/videolikes.component.html
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.html
@@ -20,31 +20,20 @@ <h2>
         <td>{{videoLikes.likes}}</td>
         <td> 
           <div class="field-checkbox" class="my-center-text">
-            <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes($event, videoLikes.likes)" name="group1" [binary]=true ></p-checkbox>
-            <!-- <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes()" name="group1" value=true></p-checkbox> -->
-            <!-- <p-checkbox
-              [(ngModel)]="videoLikes.selectedLikes"
-              (onChange)="totalLikes()"
-              name="mycheckbox"
-              inputId="mycheckbox"
-              binary="true"
-            ></p-checkbox> -->
+            <p-checkbox [(ngModel)]="videoLikes.selectedLikes" (onChange)="totalLikes($event, videoLikes.likes)" name="group1" [binary]=true></p-checkbox>
           </div>
         </td>
       </tr>
     </ng-template>
     <ng-template pTemplate="footer">
-      <!-- <div class="flex align-items-center justify-content-between"> -->
-        <!-- In total there are {{products ? products.length : 0 }} products. -->
         <tr>
           <td>Total Likes</td>
-          <td>{{totalCounter}}</td>
+          <td>{{newTotalCounter}}</td>
           <td></td>
         </tr>
-      <!-- </div> -->
   </ng-template>
 </p-table>
 </div>
-<p-button label="Switch Table On or Off!" (click)="switchVideoLikesInfo()" style="float: right;"></p-button>
-<!-- <p-button label="Calculate Likes" (click)="totalLikes()"></p-button> -->
+<p-button label="Switch Table On or Off!" (click)="switchVideoLikesInfo()" style="float: left;"></p-button>
+<p-button label="Count Likes" (click)="countLikesInfo()" style="float: right;"></p-button>
 <br><br>
\ No newline at end of file
diff --git a/frontend/kaiser/src/app/videolikes/videolikes.component.ts b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
index a7b497e..a95dc83 100644
--- a/frontend/kaiser/src/app/videolikes/videolikes.component.ts
+++ b/frontend/kaiser/src/app/videolikes/videolikes.component.ts
@@ -19,16 +19,13 @@ export class VideolikesComponent implements OnInit {
   mycheckbox: boolean;
   selectedValues: any[];
   totalCounter = 0;
+  newTotalCounter = 0;
 
   ngOnInit(): void {
     this.enableVideoInfo = true;
 
     this.videoLikesDto = [];
     this.getVideoLikesDto();
-    // this.videoLikeService.getVideoList().subscribe((videoResult: any) =>{
-    //   this.videoName=videoResult[this.videoLikeCounter].videoName;
-    //   this.videoLikeCounter=videoResult[this.videoLikeCounter].videoLikeCounter;
-    // })
   }
 
   getVideoLikesDto() {
@@ -56,19 +53,8 @@ export class VideolikesComponent implements OnInit {
     }
   }
 
-  totalLikes(event:any, likesCounter:any){
-    // console.log('total button is working')
-    // console.log(this.videoLikesDto, 'testing videolikesDto array')
-    // console.log(event.checked)
 
-    // this.likeCounter = 0;
-    // this.arraySize = this.videoLikesDto.length;
-    // for (let i =0; i < this.arraySize; i++) {
-      // if(event.checked){
-        // this.selectedValues.push(likesCounter);  -This is broken
-      // } else {
-        // this.selectedValues = this.selectedValues.filter(c => c.id != likesCounter.id); -This is broken
-      // }
+  totalLikes(event:any, likesCounter:any){
       this.countVideoLikes();
     }
 
@@ -80,4 +66,11 @@ export class VideolikesComponent implements OnInit {
         }
       });
     }
+
+    countLikesInfo() {
+      console.log('count likes button is working');
+      this.newTotalCounter = 0;
+      this.newTotalCounter+=this.totalCounter;
+    }
+
   }

From f07fcadd8c213f16a5378f9df10419b1e206d651 Mon Sep 17 00:00:00 2001
From: Litegene <khchang260@gmail.com>
Date: Fri, 7 Apr 2023 22:23:51 +0200
Subject: [PATCH 25/25] Homework

---
 .../JoinVideoAndTagService.java               | 16 +++++++++
 .../joinvideoandtag/ListVideoAndTagDto.java   | 22 ++++++++++++
 .../business/playlist/PlaylistService.java    |  1 -
 .../business/tags/TagService.java             | 25 +++++++++++++
 .../business/video/VideoService.java          | 22 +-----------
 .../controller/JoinVideoAndTagController.java |  8 +++++
 .../controller/TagController.java             | 35 +++++++++++++++++++
 .../JoinVideoAndTagRepository.java            |  8 ++++-
 .../repositories/TagRepository.java           |  2 ++
 .../db/changelog/changelog_master.yaml        |  4 ++-
 .../scripts/22_add_more_tag_data.sql          |  8 +++++
 11 files changed, 127 insertions(+), 24 deletions(-)
 create mode 100644 backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/ListVideoAndTagDto.java
 create mode 100644 backend/kaiser/src/main/resources/db/changelog/scripts/22_add_more_tag_data.sql

diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java
index 32109fc..50b58a7 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/JoinVideoAndTagService.java
@@ -1,12 +1,15 @@
 package com.example.springKaiser.business.joinvideoandtag;
 
+import com.example.springKaiser.business.playlist.ListPlaylistByVideoNameAndChannelNameDto;
 import com.example.springKaiser.entities.JoinVideoAndTag;
+import com.example.springKaiser.entities.PlaylistVideo;
 import com.example.springKaiser.repositories.JoinVideoAndTagRepository;
 import com.example.springKaiser.repositories.TagRepository;
 import com.example.springKaiser.repositories.VideoRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.List;
 
 @Service
@@ -24,4 +27,17 @@ public List<JoinVideoAndTag> listVideoAndTag(){
         List<JoinVideoAndTag> listVideoAndTag = joinVideoAndTagRepository.findAll();
         return listVideoAndTag;
     }
+
+    public List<ListVideoAndTagDto> listTagsByVideoName(String videoName) {
+        List<JoinVideoAndTag> joinVideoAndTagList = joinVideoAndTagRepository.findByVideoName(videoName);
+        List<ListVideoAndTagDto> listVideoAndTagDtos = new ArrayList<>();
+        for (int i = 0; i < joinVideoAndTagList.size(); i++) {
+            ListVideoAndTagDto listVideoAndTagDto = new ListVideoAndTagDto();
+            listVideoAndTagDto.setTagName(joinVideoAndTagList.get(i).getTag().getTagName());
+            listVideoAndTagDto.setVideoName(joinVideoAndTagList.get(i).getVideo().getName());
+            listVideoAndTagDtos.add(listVideoAndTagDto);
+        }
+
+        return listVideoAndTagDtos;
+    }
 }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/ListVideoAndTagDto.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/ListVideoAndTagDto.java
new file mode 100644
index 0000000..1697104
--- /dev/null
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/joinvideoandtag/ListVideoAndTagDto.java
@@ -0,0 +1,22 @@
+package com.example.springKaiser.business.joinvideoandtag;
+
+public class ListVideoAndTagDto {
+    private String videoName;
+    private String tagName;
+
+    public String getVideoName() {
+        return videoName;
+    }
+
+    public void setVideoName(String videoName) {
+        this.videoName = videoName;
+    }
+
+    public String getTagName() {
+        return tagName;
+    }
+
+    public void setTagName(String tagName) {
+        this.tagName = tagName;
+    }
+}
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
index dfca3ab..6bae2d0 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/playlist/PlaylistService.java
@@ -67,7 +67,6 @@ public String addVideoToPlaylist(String playlist, String videoName) {
         playlistVideo.setPlaylistName(playlistName);
         playlistVideo.setVideo(video);
         playlistVideoRepository.save(playlistVideo);
-
         return "Success";
     }
 
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java
index b1d935a..788a7f5 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/tags/TagService.java
@@ -1,16 +1,30 @@
 package com.example.springKaiser.business.tags;
 
+import com.example.springKaiser.business.playlist.ListPlaylistByChannelDto;
+import com.example.springKaiser.business.video.VideoDto;
+import com.example.springKaiser.entities.JoinVideoAndTag;
+import com.example.springKaiser.entities.PlaylistVideo;
 import com.example.springKaiser.entities.Video;
+import com.example.springKaiser.repositories.JoinVideoAndTagRepository;
 import com.example.springKaiser.repositories.TagRepository;
 import com.example.springKaiser.entities.Tags;
 import com.example.springKaiser.repositories.VideoRepository;
+import org.hibernate.mapping.Join;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import javax.swing.text.html.HTML;
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
 public class TagService {
     @Autowired
     TagRepository tagRepository;
 
+    @Autowired
+    JoinVideoAndTagRepository joinVideoAndTagRepository;
+
     @Autowired
     VideoRepository videoRepository;
 
@@ -20,4 +34,15 @@ public class TagService {
 //
 //        return "Success";
 //    }
+
+    public List<Tags> listTags() {
+        List<Tags> listTags = tagRepository.findAll();
+        return listTags;
+    }
+
+    public List<JoinVideoAndTag> listVideoAndTags(){
+        List<JoinVideoAndTag> joinVideoAndTagList = joinVideoAndTagRepository.findAll();
+        return joinVideoAndTagList;
+    }
+
 }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
index 662500c..5019111 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/business/video/VideoService.java
@@ -42,21 +42,13 @@ public List<Video> listVideo() {
 
 //        Homework
     public List<VideoDto> listVideoDto() {
-//        List<VideoDto> videoDtoList = videoRepository.findAll().stream().map(this::convertDto).collect(Collectors.toList());
-//        return  videoDtoList;
-
-//        Lambda example
-//        videoRepository.findAll().stream().map(videoEntry->{
-//            videoEntry.setLikes(9);
-//            return convertDto(videoEntry);
-//        }).collect(Collectors.toList());
-//        return ((List<Video>) videoRepository.findAll()).stream().map(this::convertDto).collect(Collectors.toList());
         List<VideoDto> videoDtoList = new ArrayList<>();
         List<Video> videoListFromRepository = videoRepository.findAll();
         for (Video videoList : videoListFromRepository) {
             videoDtoList.add(this.convertDto(videoList));
         }
         return videoDtoList;
+
     }
 
     public List<VideoLikeDto> listVideoLikesDto() {
@@ -85,18 +77,6 @@ private VideoDto convertDto(Video video){
         dto.setChannelId(video.getChannel().getId());
         return dto;
     }
-
-//    no longer working as channel name (string) has been replaced with a channel object
-
-//    public List<Video> listByChannel(String channelName){
-//        List<Video> listByChannelName = new ArrayList<>();
-//        for (Video video : listVideo()){
-//            if (video.getChannel().equals(channelName)){
-//                listByChannelName.add(video);
-//            }
-//        }
-//        return listByChannelName;
-//    }
 //Homework
     public List<VideoDto> listByChannelDto(int channelId){
         List<VideoDto> listByChannelNameDto = new ArrayList<>();
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java
index 5ba159a..3487aed 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/JoinVideoAndTagController.java
@@ -1,10 +1,13 @@
 package com.example.springKaiser.controller;
 
 import com.example.springKaiser.business.joinvideoandtag.JoinVideoAndTagService;
+import com.example.springKaiser.business.joinvideoandtag.ListVideoAndTagDto;
+import com.example.springKaiser.business.playlist.ListPlaylistByChannelDto;
 import com.example.springKaiser.entities.JoinVideoAndTag;
 import com.example.springKaiser.repositories.JoinVideoAndTagRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RestController;
 
 import java.util.List;
@@ -21,4 +24,9 @@ public class JoinVideoAndTagController {
     public List<JoinVideoAndTag> listJoinVideoAndTag(){
         return joinVideoAndTagService.listVideoAndTag();
     }
+
+    @GetMapping("/listVideoAndTagDto/{videoName}")
+    public List<ListVideoAndTagDto> listByVideoName(@PathVariable String videoName){
+        return joinVideoAndTagService.listTagsByVideoName(videoName);
+    }
 }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java b/backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java
index ee537cb..57015b5 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/controller/TagController.java
@@ -1,14 +1,49 @@
 package com.example.springKaiser.controller;
 
+import com.example.springKaiser.business.tags.TagDto;
+import com.example.springKaiser.business.tags.TagService;
+import com.example.springKaiser.entities.JoinVideoAndTag;
+import com.example.springKaiser.entities.PlaylistVideo;
 import com.example.springKaiser.entities.Tags;
+import com.example.springKaiser.entities.Video;
+import com.example.springKaiser.repositories.JoinVideoAndTagRepository;
 import com.example.springKaiser.repositories.TagRepository;
+import com.example.springKaiser.repositories.VideoRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 @RestController
 public class TagController {
+    @Autowired
+    TagRepository tagRepository;
+
+    @Autowired
+    VideoRepository videoRepository;
+
+    @Autowired
+    JoinVideoAndTagRepository joinVideoAndTagRepository;
+
+    @Autowired
+    TagService tagService;
+
+    @GetMapping("/listTags")
+    public List<Tags> listTags(){
+        return tagService.listTags();
+    }
+
+    @GetMapping("/listVideoAndTags")
+    public List<JoinVideoAndTag> joinVideoAndTags(){
+        return tagService.listVideoAndTags();
+    }
 
+//    @GetMapping("/getVideoTagInfo/(videoName")
+//    public List<TagDto> listByVideoName(@PathVariable String videoName){
+//        return tagService
+//    }
 }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java
index 7a08f24..889bdea 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/JoinVideoAndTagRepository.java
@@ -1,10 +1,16 @@
 package com.example.springKaiser.repositories;
+
 import com.example.springKaiser.entities.JoinVideoAndTag;
+import com.example.springKaiser.entities.PlaylistVideo;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+
+import java.util.List;
 
 //public interface JoinVideoAndTagRepository{
 //
 //}
 public interface JoinVideoAndTagRepository extends JpaRepository<JoinVideoAndTag, Integer>{
-
+    @Query(value = "Select * from videotable JOIN joinvideoandtagtable on videoid = videotable.id JOIN tagtable on tagid = tagtable.id where name ILIKE '%' || :name || '%'", nativeQuery = true)
+    List<JoinVideoAndTag> findByVideoName(String name);
 }
diff --git a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java
index cc0307d..b2ee1ce 100644
--- a/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java
+++ b/backend/kaiser/src/main/java/com/example/springKaiser/repositories/TagRepository.java
@@ -1,7 +1,9 @@
 package com.example.springKaiser.repositories;
 
+import com.example.springKaiser.entities.PlaylistVideo;
 import com.example.springKaiser.entities.Tags;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 
 import java.util.List;
 
diff --git a/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml b/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml
index 8fce85d..30858b0 100644
--- a/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml
+++ b/backend/kaiser/src/main/resources/db/changelog/changelog_master.yaml
@@ -42,4 +42,6 @@ databaseChangeLog:
               - include:
                   file: classpath:db/changelog/scripts/20_tags.sql
               - include:
-                  file: classpath:db/changelog/scripts/21_add_data.sql
\ No newline at end of file
+                  file: classpath:db/changelog/scripts/21_add_data.sql
+              - include:
+                  file: classpath:db/changelog/scripts/22_add_more_tag_data.sql
\ No newline at end of file
diff --git a/backend/kaiser/src/main/resources/db/changelog/scripts/22_add_more_tag_data.sql b/backend/kaiser/src/main/resources/db/changelog/scripts/22_add_more_tag_data.sql
new file mode 100644
index 0000000..2943e31
--- /dev/null
+++ b/backend/kaiser/src/main/resources/db/changelog/scripts/22_add_more_tag_data.sql
@@ -0,0 +1,8 @@
+INSERT INTO joinvideoandtagtable(tagId, videoId)
+    VALUES
+        (1, 4),
+        (2, 3),
+        (3, 2),
+        (3, 5),
+        (3, 6),
+        (4, 1);