feature: 카테고리별, 도시별 중복 필터 처리 조회 API

src/main/java/com/hanaro/triptogether/place/controller/PlaceController.java

@@ -7,10 +7,7 @@
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Repository;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -23,13 +20,12 @@ public class PlaceController {
     private final PlaceService service;
 
     @GetMapping
-    public ResponseEntity<List<Place>> getPlaces() {
+    public ResponseEntity<List<Place>> getPlacesByCategoryIdAndCityId(@RequestParam(required = false) Long category_id,
+                                                                      @RequestParam(required = false) Long city_id) {
         return ResponseEntity
                 .status(HttpStatus.OK)
-                .body(service.getAll());
+                .body(service.getPlacesByCategoryIdAndCityId(category_id, city_id));
     }
-
-
     @GetMapping("/categories/{category_idx}")
     public ResponseEntity<List<Place>> getPlacesByCategoryId(@PathVariable Long category_idx) {
         return ResponseEntity

src/main/java/com/hanaro/triptogether/place/domain/PlaceRepository.java

@@ -1,10 +1,15 @@
 package com.hanaro.triptogether.place.domain;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 import java.util.List;
 
 @Repository
 public interface PlaceRepository extends JpaRepository<PlaceEntity, Long> {
     public List<PlaceEntity> findByCategoryIdx(Long category_id);
+
+    @Query("SELECT p FROM PlaceEntity p WHERE (:category_id IS NULL OR p.categoryIdx = :category_id) AND (:city_id IS NULL OR p.city.cityIdx = :city_id)")
+    List<PlaceEntity> findByCategoryIdxAndCityIdx(@Param("category_id") Long category_id, @Param("city_id") Long city_id);
 }

src/main/java/com/hanaro/triptogether/place/service/PlaceService.java

@@ -8,5 +8,6 @@
 public interface PlaceService {
     public List<Place> getAll();
     public List<Place> getPlacesByCategoryId(Long categoryId);
+    public List<Place> getPlacesByCategoryIdAndCityId(Long categoryId, Long cityId);
     PlaceEntity findByPlaceIdx(Long placeIdx);
 }

src/main/java/com/hanaro/triptogether/place/service/impl/PlaceServiceImpl.java

@@ -37,6 +37,15 @@ public List<Place> getPlacesByCategoryId(Long category_id) {
         return places;
     }
 
+    @Override
+    public List<Place> getPlacesByCategoryIdAndCityId(Long category_id, Long city_id) {
+        List<PlaceEntity> entities = repository.findByCategoryIdxAndCityIdx(category_id, city_id);
+        List<Place> places = entities.stream().map((entity) -> entity.toPlace())
+                .collect(Collectors.toList());
+
+        return places;
+    };
+
     @Override
     public PlaceEntity findByPlaceIdx(Long placeIdx) {
         return repository.findById(placeIdx).orElseThrow(()->new ApiException(ExceptionEnum.PLACE_NOT_FOUND));