add: new countrys-route which is returning a List of all countrys of db

Author: fabian-urner

src/main/java/dev/urner/volodb/dao/CountryDAO.java

@@ -1,5 +1,7 @@
 package dev.urner.volodb.dao;
 
+import java.util.List;
+
 import org.springframework.data.repository.ListCrudRepository;
 import org.springframework.stereotype.Repository;
 
@@ -8,6 +10,8 @@
 @Repository
 public interface CountryDAO extends ListCrudRepository<Country, Integer> {
 
+  public List<Country> findAll();
+
   public Country findByLocalName(String localName);
 
   public Country findByName(String name);

src/main/java/dev/urner/volodb/rest/CountryRestController.java

@@ -0,0 +1,42 @@
+package dev.urner.volodb.rest;
+
+import java.util.List;
+
+import org.springframework.web.bind.annotation.RestController;
+
+import dev.urner.volodb.entity.Country;
+import dev.urner.volodb.exception.CountryNotFoundException;
+import dev.urner.volodb.service.CountryService;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@RestController
+@RequestMapping("/countrys")
+@RequiredArgsConstructor
+public class CountryRestController {
+
+  private final CountryService countryService;
+
+  @GetMapping()
+  public List<Country> getCountrys() {
+    return countryService.findAll();
+  }
+
+  @ExceptionHandler
+  public ResponseEntity<VolodbErrorResponse> handleException(CountryNotFoundException exc) {
+    HttpStatus httpStatus = HttpStatus.NOT_FOUND;
+
+    VolodbErrorResponse error = new VolodbErrorResponse(
+        httpStatus.value(),
+        exc.getMessage(),
+        System.currentTimeMillis());
+
+    return new ResponseEntity<>(error, httpStatus);
+  }
+
+}

src/main/java/dev/urner/volodb/service/CountryService.java

@@ -1,5 +1,7 @@
 package dev.urner.volodb.service;
 
+import java.util.List;
+
 import org.springframework.stereotype.Service;
 
 import dev.urner.volodb.dao.CountryDAO;
@@ -13,6 +15,10 @@ public class CountryService {
 
   private final CountryDAO countryDao;
 
+  public List<Country> findAll() {
+    return countryDao.findAll();
+  }
+
   public Country findByName(String countryName) {
     return countryDao.findByLocalName(countryName);
   }