Feat: user가 원하는 subCategory를 생성하는 기능 구현

- user가 원하는 subCategory를 생성하는 기능 구현 - 서브 카테고리 이름 중복 생성할 경우 에러 출력되게 구현 - 서브 카테고리 목록 반환 에러 해결
HongikGraduationProject · Jul 15, 2024 · 0a55c7a · 0a55c7a
2 parents 651f00e + f4181f1
commit 0a55c7a
Show file tree

Hide file tree

Showing 6 changed files with 54 additions and 4 deletions.
diff --git a/src/main/java/com/hongik/graduationproject/controller/CategoryController.java b/src/main/java/com/hongik/graduationproject/controller/CategoryController.java
@@ -1,6 +1,7 @@
 package com.hongik.graduationproject.controller;
 
 import com.hongik.graduationproject.domain.dto.Response;
+import com.hongik.graduationproject.domain.dto.category.SubCategoryCreateRequest;
 import com.hongik.graduationproject.domain.dto.category.SubCategoryListResponse;
 import com.hongik.graduationproject.enums.MainCategory;
 import com.hongik.graduationproject.service.CategoryService;
@@ -9,10 +10,12 @@
 import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 
+@Slf4j
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/api")
@@ -23,12 +26,24 @@ public class CategoryController {
     @ApiResponse(content = @Content(schema = @Schema(implementation = SubCategoryListResponse.class)))
     @ResponseStatus(HttpStatus.OK)
     @GetMapping("/categories")
-    public Response<SubCategoryListResponse> getSubCategoryList(@RequestParam String mainCategory,
+    public Response<SubCategoryListResponse> getSubCategoryList(@RequestParam MainCategory mainCategory,
                                                                 @AuthenticationPrincipal Long userId) {
-        if ("ALL".equalsIgnoreCase(mainCategory)) {
+        if (mainCategory == MainCategory.ALL) {
             return Response.createSuccess(categoryService.getAllSubCategoryList(userId));
         } else {
-            return Response.createSuccess(categoryService.getSubCategoryList(MainCategory.find(mainCategory), userId));
+            return Response.createSuccess(categoryService.getSubCategoryList(mainCategory, userId));
         }
     }
+
+    @Operation(summary = "새로운 서브 카테고리 생성", description = "사용자가 원하는 서브 카테고리를 생성하는 메소드")
+    @ApiResponse(content = @Content(schema = @Schema(implementation = Response.class)))
+    @ResponseStatus(HttpStatus.CREATED)
+    @PostMapping("/categories")
+    public Response<?> createSubCategory(@RequestParam MainCategory mainCategory,
+                                         @RequestBody SubCategoryCreateRequest request,
+                                         @AuthenticationPrincipal Long userId) {
+        categoryService.createSubCategory(mainCategory, request.subCategoryName(), userId);
+        log.info("새롭게 생성된 서브 카테고리 = {}", request.subCategoryName());
+        return Response.createSuccess("서브 카테고리 생성 완료");
+    }
 }
diff --git a/src/main/java/com/hongik/graduationproject/domain/dto/category/SubCategoryCreateRequest.java b/src/main/java/com/hongik/graduationproject/domain/dto/category/SubCategoryCreateRequest.java
@@ -0,0 +1,6 @@
+package com.hongik.graduationproject.domain.dto.category;
+
+public record SubCategoryCreateRequest(
+        String subCategoryName
+) {
+}
diff --git a/src/main/java/com/hongik/graduationproject/enums/MainCategory.java b/src/main/java/com/hongik/graduationproject/enums/MainCategory.java
@@ -15,7 +15,8 @@ public enum MainCategory {
     ART("예술", 6),
     NEWS("뉴스", 7),
     ENTERTAINMENT("엔터테인먼트", 8),
-    OTHER("기타", 9);
+    OTHER("기타", 9),
+    ALL("전체",10);
 
     private final String name;
     private final int index;

diff --git a/src/main/java/com/hongik/graduationproject/exception/ErrorCode.java b/src/main/java/com/hongik/graduationproject/exception/ErrorCode.java
@@ -16,6 +16,7 @@ public enum ErrorCode {
     SUMMARIZING_STATUS_NOT_EXIST(HttpStatus.NOT_FOUND, "요약 정보를 찾을 수 없습니다."),
     CATEGORY_NOT_EXIST(HttpStatus.NOT_FOUND, "카테고리를 찾을 수 없습니다."),
     USER_ALREADY_EXISTS(HttpStatus.CONFLICT, "이미 가입한 사용자입니다."),
+    SUBCATEGORY_ALREADY_EXISTS(HttpStatus.CONFLICT, "이미 존재하는 서브 카테고리입니다."),
 
     // JWT 관련 에러
     JWT_NOT_EXISTS(HttpStatus.UNAUTHORIZED, "요청에 JWT가 존재하지 않습니다."),

diff --git a/src/main/java/com/hongik/graduationproject/repository/CategoryRepository.java b/src/main/java/com/hongik/graduationproject/repository/CategoryRepository.java
@@ -28,4 +28,6 @@ public interface CategoryRepository extends JpaRepository<Category, Long> {
             "WHERE c.user = :user " +
             "GROUP BY c.subCategory, c.id")
     List<SubCategoryResponse> findAllSubCategoryByUser(User user);
+
+    boolean existsByMainCategoryAndSubCategory(MainCategory mainCategory, String subCategory);
 }
diff --git a/src/main/java/com/hongik/graduationproject/service/CategoryService.java b/src/main/java/com/hongik/graduationproject/service/CategoryService.java
@@ -2,15 +2,21 @@
 
 import com.hongik.graduationproject.domain.dto.category.SubCategoryListResponse;
 import com.hongik.graduationproject.domain.dto.category.SubCategoryResponse;
+import com.hongik.graduationproject.domain.entity.Category;
 import com.hongik.graduationproject.domain.entity.User;
 import com.hongik.graduationproject.enums.MainCategory;
+import com.hongik.graduationproject.exception.AppException;
+import com.hongik.graduationproject.exception.ErrorCode;
 import com.hongik.graduationproject.repository.CategoryRepository;
 import com.hongik.graduationproject.repository.UserRepository;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
+import org.springframework.transaction.annotation.Transactional;
 
+@Slf4j
 @Service
 @RequiredArgsConstructor
 public class CategoryService {
@@ -21,6 +27,7 @@ public SubCategoryListResponse getSubCategoryList(MainCategory mainCategory, Lon
 //        User user = userRepository.getReferenceById(1L);
         User user = userRepository.getReferenceById(userId);
         List<SubCategoryResponse> subCategoryList = categoryRepository.findAllByMainCategoryAndUser(mainCategory, user);
+        log.info("사용자 ID {}의 메인 카테고리 {}에 대한 서브 카테고리 목록 조회", userId, mainCategory);
         return new SubCategoryListResponse(subCategoryList);
     }
 
@@ -29,4 +36,22 @@ public SubCategoryListResponse getAllSubCategoryList(Long userId) {
         List<SubCategoryResponse> subCategoryList = categoryRepository.findAllSubCategoryByUser(user);
         return new SubCategoryListResponse(subCategoryList);
     }
+
+    @Transactional
+    public void createSubCategory(MainCategory mainCategory, String subCategoryName, Long userId) {
+
+        User user = userRepository.getReferenceById(userId);
+
+        if (categoryRepository.existsByMainCategoryAndSubCategory(mainCategory, subCategoryName)) {
+            throw new AppException(ErrorCode.SUBCATEGORY_ALREADY_EXISTS);
+        }
+
+        Category category = Category.builder()
+                .user(user)
+                .mainCategory(mainCategory)
+                .subCategory(subCategoryName)
+                .build();
+
+        categoryRepository.save(category);
+    }
 }