Merge pull request #10 from Tave100Shot/9-feat-error-custom-setting

feat error custom setting Pr

src/main/java/com/api/TaveShot/global/constant/OauthConstant.java

@@ -1,9 +1,13 @@
 package com.api.TaveShot.global.constant;
 
+import static com.api.TaveShot.global.exception.ErrorType._CANT_TRANCE_INSTANCE;
+
+import com.api.TaveShot.global.exception.ApiException;
+
 public final class OauthConstant {
 
     private OauthConstant() {
-        throw new IllegalArgumentException("인스턴스화 불가");
+        throw new ApiException(_CANT_TRANCE_INSTANCE);
     }
 
     public static final String ID_PATTERN = "id";

src/main/java/com/api/TaveShot/global/exception/ApiException.java

@@ -0,0 +1,15 @@
+package com.api.TaveShot.global.exception;
+
+public class ApiException extends RuntimeException {
+
+    private final ErrorType errorType;
+
+    public ApiException(ErrorType errorType) {
+        super(errorType.getMessage());
+        this.errorType = errorType;
+    }
+
+    public ErrorType getErrorType() {
+        return errorType;
+    }
+}

src/main/java/com/api/TaveShot/global/exception/ApiExceptionHandler.java

@@ -0,0 +1,20 @@
+package com.api.TaveShot.global.exception;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+public class ApiExceptionHandler {
+
+    @ExceptionHandler({ApiException.class})
+    public ResponseEntity<ApiExceptionResponse> handleApiException(ApiException e) {
+        ErrorType errorType = e.getErrorType();
+        ApiExceptionResponse response = new ApiExceptionResponse(
+                errorType.getStatus().value(),
+                errorType.getErrorCode(),
+                errorType.getMessage()
+        );
+        return ResponseEntity.status(errorType.getStatus()).body(response);
+    }
+}

src/main/java/com/api/TaveShot/global/exception/ApiExceptionResponse.java

@@ -0,0 +1,17 @@
+package com.api.TaveShot.global.exception;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+@AllArgsConstructor
+public class ApiExceptionResponse {
+
+    private int status;
+
+    private String errorCode;
+
+    private String message;
+}

src/main/java/com/api/TaveShot/global/exception/ErrorType.java

@@ -0,0 +1,62 @@
+package com.api.TaveShot.global.exception;
+
+import static org.springframework.http.HttpStatus.*;
+
+import lombok.Getter;
+import lombok.ToString;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@ToString
+public enum ErrorType {
+
+    /**
+     * Error Message Convention
+     *
+     * name : _(head) + Error Name status : HttpStatus
+     *
+     * errorCode : 400번 오류인 상황이 여러개 올텐데, 4001, 4002, 4003.. 이런식으로 설정 (해당 오류들은 MEMBER 와 관련된 400 오류들)
+     * ex) Member Error, Http Status Code: 400 -> MEMBER_4000
+     *
+     * message : 사람이 알아볼 수 있도록 작성
+     * ex) "인증이 필요합니다."
+     */
+
+    // ------------------------------------------ SERVER ------------------------------------------
+    _CANT_TRANCE_INSTANCE(INTERNAL_SERVER_ERROR, "SERVER_5000", "상수는 인스턴스화 할 수 없습니다."),
+    _SERVER_USER_NOT_FOUND(INTERNAL_SERVER_ERROR, "SERVER_5001", "로그인이 성공한 소셜 로그인 유저가 DB에 존재하지 않을 수 없습니다."),
+
+
+    // ---------------------------------------- JWT TOKEN ----------------------------------------
+    _JWT_PARSING_ERROR(BAD_REQUEST, "JWT_4001", "JWT 토큰 파싱 중 오류가 발생했습니다."),
+    _JWT_EXPIRED(UNAUTHORIZED, "JWT_4010", "Jwt Token의 유효 기간이 만료되었습니다."),
+
+
+
+    // ------------------------------------------ USER ------------------------------------------
+    _USER_NOT_FOUND(NOT_FOUND, "USER_4040", "제공된 토큰으로 사용자를 찾을 수 없습니다.")
+
+    ;
+
+    private final HttpStatus status;
+    private final String errorCode;
+    private final String message;
+
+    ErrorType(HttpStatus status, String errorCode, String message) {
+        this.status = status;
+        this.errorCode = errorCode;
+        this.message = message;
+    }
+
+    public HttpStatus getStatus() {
+        return status;
+    }
+
+    public String getErrorCode() {
+        return errorCode;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+}

src/main/java/com/api/TaveShot/global/jwt/JwtProvider.java

@@ -1,8 +1,12 @@
 package com.api.TaveShot.global.jwt;
 
 import static com.api.TaveShot.global.constant.OauthConstant.ACCESS_TOKEN_VALID_TIME;
+import static com.api.TaveShot.global.exception.ErrorType._JWT_EXPIRED;
+import static com.api.TaveShot.global.exception.ErrorType._JWT_PARSING_ERROR;
+import static com.api.TaveShot.global.exception.ErrorType._USER_NOT_FOUND;
 
 import com.api.TaveShot.domain.Member.repository.MemberRepository;
+import com.api.TaveShot.global.exception.ApiException;
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.ExpiredJwtException;
 import io.jsonwebtoken.Jwts;
@@ -65,9 +69,9 @@ public void isValidToken(final String jwtToken) {
                     .parseClaimsJws(jwtToken);
 
         } catch (ExpiredJwtException e) { // 어세스 토큰 만료
-            throw new IllegalArgumentException("Access Token expired");
+            throw new ApiException(_JWT_EXPIRED);
         } catch (Exception e) {
-            throw new IllegalArgumentException("User Not Authorized");
+            throw new ApiException(_JWT_PARSING_ERROR);
         }
     }
 
@@ -82,7 +86,8 @@ public void getAuthenticationFromToken(final String jwtToken) {
     // token 으로부터 유저 정보 확인
     private void getGitLoginId(final String jwtToken) {
         Long userId = Long.valueOf(getUserIdFromToken(jwtToken));
-        memberRepository.findById(userId).orElseThrow(() -> new RuntimeException("token 으로 Member를 찾을 수 없음"));
+        memberRepository.findById(userId)
+                .orElseThrow(() -> new ApiException(_USER_NOT_FOUND));
     }
 
     // 토큰에서 유저 아이디 얻기

src/main/java/com/api/TaveShot/global/oauth2/CustomOAuthSuccessHandler.java

@@ -1,10 +1,12 @@
 package com.api.TaveShot.global.oauth2;
 
 import static com.api.TaveShot.global.constant.OauthConstant.REDIRECT_URL;
+import static com.api.TaveShot.global.exception.ErrorType._SERVER_USER_NOT_FOUND;
 
 import com.api.TaveShot.domain.Member.domain.Member;
 import com.api.TaveShot.domain.Member.dto.response.AuthResponse;
 import com.api.TaveShot.domain.Member.repository.MemberRepository;
+import com.api.TaveShot.global.exception.ApiException;
 import com.api.TaveShot.global.jwt.JwtProvider;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
@@ -45,7 +47,8 @@ public void onAuthenticationSuccess(final HttpServletRequest request, final Http
         String mail = githubUserInfo.getMail();
         String profileImageUrl = githubUserInfo.getProfileImageUrl();
 
-        Member loginMember = memberRepository.findByGitId(Long.valueOf(id)).orElseThrow(() -> new RuntimeException("해당 gitId로 회원을 찾을 수 없음"));
+        Member loginMember = memberRepository.findByGitId(Long.valueOf(id)).orElseThrow(
+                () -> new ApiException(_SERVER_USER_NOT_FOUND));
         String loginMemberId = String.valueOf(loginMember.getId());
 
         registerHeaderToken(response, loginMemberId);