feat: 꽃 이미지 업데이트 API 생성

src/main/java/zerobibim/flory/domain/Image/repository/ImageRepository.java

@@ -2,7 +2,11 @@
 
 import zerobibim.flory.domain.Image.entity.Image;
 
+import java.util.Optional;
+
 public interface ImageRepository {
 
     Image save(Image image);
+
+    Optional<Image> findImageById(Long id);
 }

src/main/java/zerobibim/flory/domain/flower/controller/FlowerController.java

@@ -4,6 +4,7 @@
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.*;
+import zerobibim.flory.domain.flower.dto.request.FlowerInsertImageRequest;
 import zerobibim.flory.domain.flower.dto.request.FlowerCreateReqeust;
 import zerobibim.flory.domain.flower.dto.request.FlowerUpdateRequest;
 import zerobibim.flory.domain.flower.dto.response.FlowerDetailResponse;
@@ -42,6 +43,17 @@ public ApiResponse<FlowerIdResponse> updateFlower(@RequestBody FlowerUpdateReque
         return ApiResponse.onSuccess(flowerService.updateFlower(request));
     }
 
+    /**
+     * 꽃 이미지를 업데이트합니다.
+     * @param request 업데이트 할 꽃과 이미지에 대한 DTO입니다.
+     * @return 업데이트된 꽃의 id가 반환됩니다.
+     */
+    @PostMapping("/image")
+    @Operation(summary = "꽃 이미지 생성 API")
+    public ApiResponse<FlowerIdResponse> insertImage(@RequestBody FlowerInsertImageRequest request) {
+        return ApiResponse.onSuccess(flowerService.insertImage(request));
+    }
+
     /**
      * 꽃 전체 정보를 조회합니다.
      * @return 꽃 전체 정보를 리스트로 반환합니다.

src/main/java/zerobibim/flory/domain/flower/dto/request/FlowerInsertImageRequest.java

@@ -0,0 +1,13 @@
+package zerobibim.flory.domain.flower.dto.request;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class FlowerInsertImageRequest {
+    private Long flowerId;
+    private Long imageId;
+}

src/main/java/zerobibim/flory/domain/flower/service/FlowerService.java

@@ -3,6 +3,9 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import zerobibim.flory.domain.Image.entity.Image;
+import zerobibim.flory.domain.Image.service.ImageService;
+import zerobibim.flory.domain.flower.dto.request.FlowerInsertImageRequest;
 import zerobibim.flory.domain.flower.dto.request.FlowerCreateReqeust;
 import zerobibim.flory.domain.flower.dto.request.FlowerUpdateRequest;
 import zerobibim.flory.domain.flower.dto.response.FlowerDetailResponse;
@@ -22,6 +25,7 @@
 public class FlowerService implements EntityLoader<Flower, Long> {
     private final FlowerRepository flowerRepository;
     private final FlowerMapper flowerMapper;
+    private final ImageService imageService;
 
     public FlowerIdResponse createFlower(FlowerCreateReqeust reqeust) {
         // 중복 꽃 여부 확인
@@ -45,6 +49,15 @@ public FlowerIdResponse updateFlower(FlowerUpdateRequest request) {
         return new FlowerIdResponse(flower.getId());
     }
 
+    @Transactional
+    public FlowerIdResponse insertImage(FlowerInsertImageRequest request) {
+        Flower flower = loadEntity(request.getFlowerId());
+        Image image = imageService.loadEntity(request.getImageId());
+
+        flower.updateFlowerImage(image);
+        return new FlowerIdResponse(flower.getId());
+    }
+
     public List<FlowerDetailResponse> findAllFlower() {
         return flowerRepository.findAll().stream().map(flowerMapper::toResponse).toList();
     }

src/main/java/zerobibim/flory/global/common/ApiPayload/code/status/ErrorStatus.java

@@ -25,6 +25,7 @@ public enum ErrorStatus implements BaseErrorCode {
     // 꽃 관련 응답
     FLOWER_NOT_FOUND(HttpStatus.BAD_REQUEST, "FLOWER4001", "존재하지 않는 꽃입니다."),
     FLOWER_EXISTED(HttpStatus.BAD_REQUEST, "FLOWER4002","이미 존재하는 꽃입니다."),
+    NO_IMAGE_IN_FLOWER(HttpStatus.BAD_REQUEST, "FLOWER4003", "꽃에 이미지가 존재하지 않습니다."),
     // 기념일 관련 응답
 
     // 구매 관련 응답
@@ -36,6 +37,7 @@ public enum ErrorStatus implements BaseErrorCode {
 
     // 이미지 관련 응답
     IMAGE_BLANK(HttpStatus.BAD_REQUEST, "IMAGE4001", "이미지 파일이 없습니다."),
+    IMAGE_NOT_FOUND(HttpStatus.BAD_REQUEST, "IMAGE4002", "존재하지 않는 이미지입니다."),
     ;