feat: Presigned url 생성 요청 구현 (#242)

src/main/java/org/ioteatime/meonghanyangserver/cctv/repository/CctvRepository.java

@@ -5,6 +5,8 @@
 import org.ioteatime.meonghanyangserver.cctv.domain.CctvEntity;
 
 public interface CctvRepository {
+    boolean existsById(Long cctvId);
+
     boolean existsByKvsChannelName(String kvsChannelName);
 
     boolean existsByThingId(String thingId);

src/main/java/org/ioteatime/meonghanyangserver/cctv/repository/CctvRepositoryImpl.java

@@ -16,6 +16,10 @@ public class CctvRepositoryImpl implements CctvRepository {
     private final JPAQueryFactory jpaQueryFactory;
     private final JpaCctvRepository jpaCctvRepository;
 
+    public boolean existsById(Long cctvId) {
+        return jpaCctvRepository.existsById(cctvId);
+    }
+
     public boolean existsByKvsChannelName(String kvsChannelName) {
         return jpaCctvRepository.existsByKvsChannelName(kvsChannelName);
     }

src/main/java/org/ioteatime/meonghanyangserver/common/type/ImageSuccessType.java

@@ -1,7 +1,7 @@
 package org.ioteatime.meonghanyangserver.common.type;
 
 public enum ImageSuccessType implements SuccessTypeCode {
-    GET_IMAGE_URL(200, "OK", "Presigned Url 조회에 성공하였습니다.");
+    CREATE_PRESIGNED_URL(200, "OK", "Presigned Url 생성에 성공하였습니다.");
 
     private final Integer code;
     private final String message;

src/main/java/org/ioteatime/meonghanyangserver/image/controller/ImageDeviceApi.java

@@ -0,0 +1,14 @@
+package org.ioteatime.meonghanyangserver.image.controller;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.ioteatime.meonghanyangserver.common.api.Api;
+import org.ioteatime.meonghanyangserver.image.dto.response.ImageSaveUrlResponse;
+import org.springframework.web.bind.annotation.PathVariable;
+
+@Tag(name = "Image Api", description = "Image 관련 API 목록입니다.")
+public interface ImageDeviceApi {
+    @Operation(summary = "이미지 저장을 위한 presigned url을 발급 받습니다.", description = "담당자: 임지인")
+    public Api<ImageSaveUrlResponse> getImageSaveUrl(
+            @PathVariable Long cctvId, @PathVariable String fileName);
+}

src/main/java/org/ioteatime/meonghanyangserver/image/controller/ImageDeviceController.java

@@ -0,0 +1,25 @@
+package org.ioteatime.meonghanyangserver.image.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.ioteatime.meonghanyangserver.common.api.Api;
+import org.ioteatime.meonghanyangserver.common.type.ImageSuccessType;
+import org.ioteatime.meonghanyangserver.image.dto.response.ImageSaveUrlResponse;
+import org.ioteatime.meonghanyangserver.image.service.ImageService;
+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;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/open-api/image")
+public class ImageDeviceController implements ImageDeviceApi {
+    private final ImageService imageService;
+
+    @GetMapping("/{cctvId}/{fileName}")
+    public Api<ImageSaveUrlResponse> getImageSaveUrl(
+            @PathVariable Long cctvId, @PathVariable String fileName) {
+        ImageSaveUrlResponse imageSaveUrlResponse = imageService.getImageSaveUrl(cctvId, fileName);
+        return Api.success(ImageSuccessType.CREATE_PRESIGNED_URL, imageSaveUrlResponse);
+    }
+}

src/main/java/org/ioteatime/meonghanyangserver/image/dto/response/ImageSaveUrlResponse.java

@@ -0,0 +1,12 @@
+package org.ioteatime.meonghanyangserver.image.dto.response;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
+
+@Schema(description = "이미지 저장 Url 요청 응답")
+public record ImageSaveUrlResponse(
+        @NotNull
+                @Schema(
+                        description = "이미지 저장용 presigned url",
+                        example = "https://bucket.s3.ap-northeast-2.amazonaws.com/test?")
+                String presignedUrl) {}

src/main/java/org/ioteatime/meonghanyangserver/image/mapper/ImageResponseMapper.java

@@ -0,0 +1,9 @@
+package org.ioteatime.meonghanyangserver.image.mapper;
+
+import org.ioteatime.meonghanyangserver.image.dto.response.ImageSaveUrlResponse;
+
+public class ImageResponseMapper {
+    public static ImageSaveUrlResponse form(String presignedUrl) {
+        return new ImageSaveUrlResponse(presignedUrl);
+    }
+}

src/main/java/org/ioteatime/meonghanyangserver/image/service/ImageService.java

@@ -0,0 +1,27 @@
+package org.ioteatime.meonghanyangserver.image.service;
+
+import com.amazonaws.HttpMethod;
+import lombok.RequiredArgsConstructor;
+import org.ioteatime.meonghanyangserver.cctv.repository.CctvRepository;
+import org.ioteatime.meonghanyangserver.clients.s3.S3Client;
+import org.ioteatime.meonghanyangserver.common.exception.NotFoundException;
+import org.ioteatime.meonghanyangserver.common.type.CctvErrorType;
+import org.ioteatime.meonghanyangserver.image.dto.response.ImageSaveUrlResponse;
+import org.ioteatime.meonghanyangserver.image.mapper.ImageResponseMapper;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class ImageService {
+    private final S3Client s3Client;
+    private final CctvRepository cctvRepository;
+
+    public ImageSaveUrlResponse getImageSaveUrl(Long cctvId, String fileName) {
+        if (!cctvRepository.existsById(cctvId)) {
+            throw new NotFoundException(CctvErrorType.NOT_FOUND);
+        }
+
+        String presignedUrl = s3Client.generatePreSignUrl(fileName, HttpMethod.PUT);
+        return ImageResponseMapper.form(presignedUrl);
+    }
+}