Merge pull request #9 from DevKor-github/feature/global-handler

Feature/ 예외 처리 클래스 구현

Author: leesanghuu

.gitignore

@@ -35,3 +35,6 @@ out/
 
 ### VS Code ###
 .vscode/
+
+### 환경변수 ###
+.env

src/main/java/com/ODG/ODG_back/controller/VoteController.java

@@ -20,24 +20,14 @@ public class VoteController {
     @PostMapping("/vote")
     public ResponseEntity<String> vote(@PathVariable String inviteCode,
                                        @RequestBody VoteRequestDto voteRequest) {
-        try {
-            voteService.vote(inviteCode, voteRequest);
-            return ResponseEntity.ok().body("OK");
-        } catch (RuntimeException e) {
-            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getMessage());
-        }
-
-
+        voteService.vote(inviteCode, voteRequest);
+        return ResponseEntity.ok().body("OK");
     }
 
     @GetMapping("/result")
     public ResponseEntity<?> getVoteResults(@PathVariable String inviteCode) {
-        try {
-            List<VoteResultDto> voteResults = voteService.getVoteResults(inviteCode);
-            return ResponseEntity.ok(voteResults);
-        } catch (RuntimeException e) {
-            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(e.getMessage());
-        }
+        List<VoteResultDto> voteResults = voteService.getVoteResults(inviteCode);
+        return ResponseEntity.ok(voteResults);
     }
 
 }

src/main/java/com/ODG/ODG_back/domain/Vote.java

@@ -1,6 +1,11 @@
 package com.ODG.ODG_back.domain;
 
 import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
 import java.time.LocalDateTime;
 
 @AllArgsConstructor

src/main/java/com/ODG/ODG_back/dto/exception/ErrorResponse.java

@@ -0,0 +1,17 @@
+package com.ODG.ODG_back.dto.exception;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class ErrorResponse {
+
+    private String code;
+    private String message;
+    public ErrorResponse(String code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+
+}

src/main/java/com/ODG/ODG_back/exception/ErrorCode.java

@@ -0,0 +1,30 @@
+package com.ODG.ODG_back.exception;
+
+import lombok.Getter;
+
+@Getter
+public enum ErrorCode {
+
+    MEETING_NOT_FOUND("404", "해당 초대 코드의 모임이 존재하지 않습니다."),
+    PARTICIPANT_NOT_FOUND("404", "해당 참가자가 존재하지 않습니다."),
+    PLACE_NOT_FOUND("404", "해당 장소가 존재하지 않습니다."),
+    RECOMMENDED_MIDPOINT_NOT_FOUND("404", "해당 모임에 대한 중간지점이 존재하지 않습니다."),
+
+    DATA_INTEGRITY_VIOLATION("400", "중복 혹은 유효하지 않은 데이터입니다."),
+    BAD_REQUEST("400", "잘못된 요청입니다."),
+    INVALID_ARGUMENTS("400", "잘못된 인자가 전달되었습니다."),
+
+    UNAUTHORIZED("401", "인증되지 않았습니다."),
+    INTERNAL_SERVER_ERROR("500", "서버 내부 오류가 발생했습니다."),
+
+    EXTERNAL_API_CONNECTION_FAILED("503", "외부 API에 연결 실패했습니다."),
+    EXTERNAL_API_RESPONSE_ERROR("502", "외부 API 응답 상태 오류");
+
+    private final String code;
+    private final String message;
+
+    ErrorCode(String code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+}

src/main/java/com/ODG/ODG_back/exception/GlobalExceptionHandler.java

@@ -0,0 +1,52 @@
+package com.ODG.ODG_back.exception;
+
+import com.ODG.ODG_back.dto.exception.ErrorResponse;
+import com.ODG.ODG_back.exception.custom.BadRequestException;
+import com.ODG.ODG_back.exception.custom.ExternalApiException;
+import com.ODG.ODG_back.exception.custom.NotFoundException;
+import com.ODG.ODG_back.exception.custom.UnauthorizedException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+
+
+    // 404 Not Found
+    @ExceptionHandler(NotFoundException.class)
+    public ResponseEntity<ErrorResponse> handlerNotFoundException(NotFoundException e) {
+        return buildResponse(e.getErrorCode(), HttpStatus.NOT_FOUND);
+    }
+
+    // 400 Bad Request
+    @ExceptionHandler(BadRequestException.class)
+    public ResponseEntity<ErrorResponse> handlerBadRequestException(BadRequestException e) {
+        return buildResponse(e.getErrorCode(), HttpStatus.BAD_REQUEST);
+    }
+
+    // 401 Unauthorized
+    @ExceptionHandler(UnauthorizedException.class)
+    public ResponseEntity<ErrorResponse> handlerUnauthorizedException(UnauthorizedException e) {
+        return buildResponse(e.getErrorCode(), HttpStatus.UNAUTHORIZED);
+    }
+
+    // 500 Internal Server Error
+    @ExceptionHandler(RuntimeException.class)
+    public ResponseEntity<ErrorResponse> handlerRuntimeException(RuntimeException e) {
+        ErrorCode errorCode = ErrorCode.INTERNAL_SERVER_ERROR;
+        ErrorResponse response = new ErrorResponse(errorCode.getCode(), errorCode.getMessage());
+        return new ResponseEntity<>(response, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+
+    // 502, 503 External Error
+    @ExceptionHandler(ExternalApiException.class)
+    public ResponseEntity<ErrorResponse> handlerExternalApiException(ExternalApiException e) {
+        return buildResponse(e.getErrorCode(), HttpStatus.valueOf(Integer.parseInt(e.getErrorCode().getCode())));
+    }
+
+    private ResponseEntity<ErrorResponse> buildResponse(ErrorCode errorCode, HttpStatus status) {
+        return new ResponseEntity<>(new ErrorResponse(errorCode.getCode(), errorCode.getMessage()), status);
+    }
+}

src/main/java/com/ODG/ODG_back/exception/custom/BadRequestException.java

@@ -0,0 +1,16 @@
+package com.ODG.ODG_back.exception.custom;
+
+import com.ODG.ODG_back.exception.ErrorCode;
+
+public class BadRequestException extends RuntimeException {
+    private final ErrorCode errorCode;
+
+    public BadRequestException(ErrorCode errorCode) {
+        super(errorCode.getMessage());
+        this.errorCode = errorCode;
+    }
+
+    public ErrorCode getErrorCode() {
+        return errorCode;
+    }
+}

src/main/java/com/ODG/ODG_back/exception/custom/ExternalApiException.java

@@ -0,0 +1,24 @@
+package com.ODG.ODG_back.exception.custom;
+
+import com.ODG.ODG_back.exception.ErrorCode;
+
+public class ExternalApiException extends RuntimeException {
+
+    private final ErrorCode errorCode;
+    private final String detail;
+
+
+    public ExternalApiException(ErrorCode errorCode, String detail) {
+        super(errorCode.getMessage() + "[" + detail + "]");
+        this.errorCode = errorCode;
+        this.detail = detail;
+    }
+
+    public ErrorCode getErrorCode() {
+        return errorCode;
+    }
+
+    public String getDetail() {
+        return detail;
+    }
+}

src/main/java/com/ODG/ODG_back/exception/custom/NotFoundException.java

@@ -0,0 +1,17 @@
+package com.ODG.ODG_back.exception.custom;
+
+import com.ODG.ODG_back.exception.ErrorCode;
+
+public class NotFoundException extends RuntimeException {
+
+    private final ErrorCode errorCode;
+
+    public NotFoundException(ErrorCode errorCode) {
+        super(errorCode.getMessage());
+        this.errorCode = errorCode;
+    }
+
+    public ErrorCode getErrorCode() {
+        return errorCode;
+    }
+}

src/main/java/com/ODG/ODG_back/exception/custom/UnauthorizedException.java

@@ -0,0 +1,16 @@
+package com.ODG.ODG_back.exception.custom;
+
+import com.ODG.ODG_back.exception.ErrorCode;
+
+public class UnauthorizedException extends RuntimeException {
+    private final ErrorCode errorCode;
+
+    public UnauthorizedException(ErrorCode errorCode) {
+        super(errorCode.getMessage());
+        this.errorCode = errorCode;
+    }
+
+    public ErrorCode getErrorCode() {
+        return errorCode;
+    }
+}