[Feat] 최신 상점 조회 API의 응원 내용 추가

src/main/java/eatda/controller/store/StorePreviewResponse.java

@@ -1,14 +1,16 @@
 package eatda.controller.store;
 
 import eatda.domain.store.Store;
+import java.util.List;
 
 public record StorePreviewResponse(
         long id,
         String imageUrl,
         String name,
         String district,
         String neighborhood,
-        String category
+        String category,
+        List<String> cheerDescriptions
 ) {
 
     public StorePreviewResponse(Store store, String imageUrl) {
@@ -18,7 +20,8 @@ public StorePreviewResponse(Store store, String imageUrl) {
                 store.getName(),
                 store.getAddressDistrict(),
                 store.getAddressNeighborhood(),
-                store.getCategory().getCategoryName()
+                store.getCategory().getCategoryName(),
+                store.getCheerDescriptions()
         );
     }
 }

src/main/java/eatda/domain/store/Store.java

@@ -1,6 +1,7 @@
 package eatda.domain.store;
 
 import eatda.domain.AuditingEntity;
+import eatda.domain.cheer.Cheer;
 import jakarta.persistence.Column;
 import jakarta.persistence.Embedded;
 import jakarta.persistence.Entity;
@@ -9,7 +10,10 @@
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
+import java.util.ArrayList;
+import java.util.List;
 import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
@@ -54,6 +58,9 @@ public class Store extends AuditingEntity {
     @Embedded
     private Coordinates coordinates;
 
+    @OneToMany(mappedBy = "store")
+    private List<Cheer> cheers = new ArrayList<>();
+
     @Builder
     private Store(String kakaoId,
                   StoreCategory category,
@@ -87,4 +94,10 @@ public String getAddressNeighborhood() {
         }
         return addressParts[2];
     }
+
+    public List<String> getCheerDescriptions() {
+        return cheers.stream()
+                .map(Cheer::getDescription)
+                .toList();
+    }
 }

src/main/java/eatda/repository/store/StoreRepository.java

@@ -7,6 +7,7 @@
 import java.util.List;
 import java.util.Optional;
 import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.EntityGraph;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 
@@ -20,8 +21,10 @@ default Store getById(Long id) {
 
     Optional<Store> findByKakaoId(String kakaoId);
 
+    @EntityGraph(attributePaths = {"cheers"})
     List<Store> findAllByOrderByCreatedAtDesc(Pageable pageable);
 
+    @EntityGraph(attributePaths = {"cheers"})
     List<Store> findAllByCategoryOrderByCreatedAtDesc(StoreCategory category, Pageable pageable);
 
     @Query("""

src/main/java/eatda/service/store/StoreService.java

@@ -36,6 +36,7 @@ public StoreResponse getStore(long storeId) {
     }
 
     // TODO : N+1 문제 해결
+    @Transactional(readOnly = true)
     public StoresResponse getStores(int page, int size, @Nullable String category) {
         return findStores(page, size, category)
                 .stream()
@@ -51,6 +52,7 @@ private List<Store> findStores(int page, int size, @Nullable String category) {
                 StoreCategory.from(category), PageRequest.of(page, size));
     }
 
+    @Transactional(readOnly = true)
     public ImagesResponse getStoreImages(long storeId) {
         Store store = storeRepository.getById(storeId);
         List<String> imageUrls = cheerRepository.findAllImageKey(store)

src/test/java/eatda/document/store/StoreDocumentTest.java

@@ -116,7 +116,8 @@ class GetStores {
                         fieldWithPath("stores[].name").type(STRING).description("음식점 이름"),
                         fieldWithPath("stores[].district").type(STRING).description("음식점 주소 (구)"),
                         fieldWithPath("stores[].neighborhood").type(STRING).description("음식점 주소 (동)"),
-                        fieldWithPath("stores[].category").type(STRING).description("음식점 카테고리")
+                        fieldWithPath("stores[].category").type(STRING).description("음식점 카테고리"),
+                        fieldWithPath("stores[].cheerDescriptions").type(ARRAY).description("음식점에 달린 응원 메시지")
                 );
 
         @Test
@@ -125,8 +126,10 @@ class GetStores {
             int size = 2;
             StoreCategory category = StoreCategory.CAFE;
             StoresResponse response = new StoresResponse(List.of(
-                    new StorePreviewResponse(2L, "https://example.image", "농민백암순대", "강남구", "대치동", "한식"),
-                    new StorePreviewResponse(1L, "https://example.image", "석관동떡볶이", "성북구", "석관동", "한식")
+                    new StorePreviewResponse(2L, "https://example.image", "농민백암순대", "강남구", "대치동", "한식",
+                            List.of("응원해요!", "순대가 맛돌이!")),
+                    new StorePreviewResponse(1L, "https://example.image", "석관동떡볶이", "성북구", "석관동", "한식",
+                            List.of("응원해요!", "떡볶이가 맛있게 매워요~", "매운 떡볶이 최고!"))
             ));
             doReturn(response).when(storeService).getStores(page, size, category.getCategoryName());
 

src/test/java/eatda/service/store/StoreServiceTest.java

@@ -59,25 +59,31 @@ class GetStores {
 
         @Test
         void 모든_카테고리의_음식점_목록을_최신순으로_조회한다() {
-            Member member = memberGenerator.generate("111");
+            Member member1 = memberGenerator.generate("111", "[email protected]", "nickname1");
+            Member member2 = memberGenerator.generate("113", "[email protected]", "nickname2");
             LocalDateTime startAt = LocalDateTime.of(2025, 7, 26, 1, 0, 0);
             Store store1 = storeGenerator.generate("농민백암순대", "서울 강남구 대치동 896-33", StoreCategory.KOREAN, startAt);
             Store store2 = storeGenerator.generate("석관동떡볶이", "서울 성북구 석관동 123-45", StoreCategory.OTHER,
                     startAt.plusHours(1));
             Store store3 = storeGenerator.generate("강남순대국", "서울 강남구 역삼동 678-90", StoreCategory.KOREAN,
                     startAt.plusHours(2));
-            cheerGenerator.generateCommon(member, store1, "image-key-1");
-            cheerGenerator.generateCommon(member, store2, "image-key-2");
-            cheerGenerator.generateCommon(member, store3, "image-key-3");
+            cheerGenerator.generateCommon(member1, store1, "image-key-1");
+            cheerGenerator.generateCommon(member1, store2, "image-key-2");
+            cheerGenerator.generateCommon(member2, store2, "image-key-3");
+            cheerGenerator.generateCommon(member1, store3, "image-key-4");
             int page = 0;
             int size = 2;
 
             var response = storeService.getStores(page, size, null);
 
             assertAll(
-                    () -> assertThat(response.stores()).hasSize(size),
+                    () -> assertThat(response.stores()).hasSize(2),
                     () -> assertThat(response.stores().get(0).id()).isEqualTo(store3.getId()),
-                    () -> assertThat(response.stores().get(1).id()).isEqualTo(store2.getId())
+                    () -> assertThat(response.stores().get(0).name()).isEqualTo(store3.getName()),
+                    () -> assertThat(response.stores().get(0).cheerDescriptions()).hasSize(1),
+                    () -> assertThat(response.stores().get(1).id()).isEqualTo(store2.getId()),
+                    () -> assertThat(response.stores().get(1).name()).isEqualTo(store2.getName()),
+                    () -> assertThat(response.stores().get(1).cheerDescriptions()).hasSize(2)
             );
         }