Merge pull request #44 from Mile-Writings/feat/#43

#43 [feat] S3 모듈 구현 - presignedUrl

module-api/src/main/java/com/mile/controller/external/S3Controller.java

@@ -0,0 +1,24 @@
+package com.mile.controller.external;
+
+import com.mile.aws.utils.PreSignedUrlResponse;
+import com.mile.aws.utils.S3BucketDirectory;
+import com.mile.aws.utils.S3Service;
+import com.mile.dto.SuccessResponse;
+import com.mile.exception.message.SuccessMessage;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api")
+@RequiredArgsConstructor
+public class S3Controller implements S3ControllerSwagger {
+    private final S3Service s3Service;
+
+    @GetMapping("/image/upload")
+    @Override
+    public SuccessResponse<PreSignedUrlResponse> getPreSignedUrl() {
+        return SuccessResponse.of(SuccessMessage.PRESIGNED_URL_GET_SUCCESS, s3Service.getUploadPreSignedUrl(S3BucketDirectory.POST_PREFIX));
+    }
+}

module-api/src/main/java/com/mile/controller/external/S3ControllerSwagger.java

@@ -0,0 +1,21 @@
+package com.mile.controller.external;
+
+import com.mile.aws.utils.PreSignedUrlResponse;
+import com.mile.dto.SuccessResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import io.swagger.v3.oas.annotations.tags.Tag;
+
+@Tag(name = "Image - PreSigned Url", description = "이미지 업로드 할 Url 받기")
+public interface S3ControllerSwagger {
+
+    @Operation(summary = "이미지 업로드 presigned url")
+    @ApiResponses(
+            value = {
+                    @ApiResponse(responseCode = "200", description = "이미지를 업로드할 url이 발행되었습니다."),
+                    @ApiResponse(responseCode = "500", description = "S3 PRESIGNED URL을 받아오기에 실패했습니다.")
+            }
+    )
+    SuccessResponse<PreSignedUrlResponse> getPreSignedUrl();
+}

module-common/src/main/java/com/mile/exception/message/ErrorMessage.java

@@ -58,7 +58,8 @@ public enum ErrorMessage {
     /*
     Internal Server Error
      */
-    IMAGE_UPLOAD_ERROR(HttpStatus.INTERNAL_SERVER_ERROR.value(), "S3 버킷에 이미지를 업로드하는 데 실패했습니다."),
+    IMAGE_UPLOAD_ERROR(HttpStatus.INTERNAL_SERVER_ERROR.value(), "S3 버킷에 이미지를 업로드에 실패했습니다."),
+    PRESIGNED_URL_GET_ERROR(HttpStatus.INTERNAL_SERVER_ERROR.value(), "S3 PRESIGNED URL을 받아오기에 실패했습니다."),
     IMAGE_DELETE_ERROR(HttpStatus.INTERNAL_SERVER_ERROR.value(), "S3 버킷으로부터 이미지를 삭제하는 데 실패했습니다."),
     INTERNAL_SERVER_ERROR(HttpStatus.INTERNAL_SERVER_ERROR.value(), "서버 내부 오류입니다.");
 

module-common/src/main/java/com/mile/exception/message/SuccessMessage.java

@@ -19,7 +19,9 @@ public enum SuccessMessage {
     CURIOUS_DELETE_SUCCESS(HttpStatus.OK.value(), "궁금해요 삭제가 완료되었습니다."),
     WRITER_AUTHENTIACTE_SUCCESS(HttpStatus.OK.value(), "게시글 권한이 확인되었습니다."),
     POST_PUT_SUCCESS(HttpStatus.OK.value(), "글 수정이 완료되었습니다."),
+    PRESIGNED_URL_GET_SUCCESS(HttpStatus.OK.value(), "이미지를 업로드할 url이 발행되었습니다."),
     POST_DELETE_SUCCESS(HttpStatus.OK.value(), "글 삭제가 완료되었습니다."),
+
     /*
     201 CREATED
      */

module-external/src/main/java/com/mile/aws/utils/S3Service.java

@@ -84,7 +84,7 @@ public PreSignedUrlResponse getUploadPreSignedUrl(final S3BucketDirectory prefix
             String url = preSigner.presignPutObject(preSignedUrlRequest).url().toString();
             return PreSignedUrlResponse.of(fileName, url);
         } catch (RuntimeException e) {
-            throw new MileException(ErrorMessage.IMAGE_UPLOAD_ERROR);
+            throw new MileException(ErrorMessage.PRESIGNED_URL_GET_ERROR);
         }
     }