Files
Hyungi Ahn 550633b89d feat: 3-System 분리 프로젝트 초기 코드 작성
TK-FB(공장관리+신고)와 M-Project(부적합관리)를 3개 독립 시스템으로
분리하기 위한 전체 코드 구조 작성.
- SSO 인증 서비스 (bcrypt + pbkdf2 이중 해시 지원)
- System 1: 공장관리 (TK-FB 기반, 신고 코드 제거)
- System 2: 신고 (TK-FB에서 workIssue 코드 추출)
- System 3: 부적합관리 (M-Project 기반)
- Gateway 포털 (path-based 라우팅)
- 통합 docker-compose.yml 및 배포 스크립트

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-09 14:40:11 +09:00

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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">// utils/errorHandler.js - 통합 에러 처리 유틸리티
&nbsp;
/**
* 표준화된 에러 응답 생성
*/
class ApiError extends Error {
<span class="fstat-no" title="function not covered" > co</span>nstructor(message, statusCode = <span class="branch-0 cbranch-no" title="branch not covered" >500,</span> errorCode = <span class="branch-0 cbranch-no" title="branch not covered" >null)</span> {
<span class="cstat-no" title="statement not covered" > super(message);</span>
<span class="cstat-no" title="statement not covered" > this.statusCode = statusCode;</span>
<span class="cstat-no" title="statement not covered" > this.errorCode = errorCode;</span>
<span class="cstat-no" title="statement not covered" > this.timestamp = new Date().toISOString();</span>
}
}
&nbsp;
/**
* 에러 응답 포맷터
*/
const formatErrorResponse = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(e</span>rror, req = <span class="branch-0 cbranch-no" title="branch not covered" >null)</span> =&gt; {</span>
const response = <span class="cstat-no" title="statement not covered" >{</span>
success: false,
error: error.message || '알 수 없는 오류가 발생했습니다.',
timestamp: error.timestamp || new Date().toISOString()
};
&nbsp;
// 개발 환경에서만 상세 정보 포함
<span class="cstat-no" title="statement not covered" > if (process.env.NODE_ENV === 'development') {</span>
<span class="cstat-no" title="statement not covered" > response.stack = error.stack;</span>
<span class="cstat-no" title="statement not covered" > response.errorCode = error.errorCode;</span>
<span class="cstat-no" title="statement not covered" > if (req) {</span>
<span class="cstat-no" title="statement not covered" > response.requestInfo = {</span>
method: req.method,
url: req.originalUrl,
userAgent: req.get('User-Agent'),
ip: req.ip
};
}
}
&nbsp;
<span class="cstat-no" title="statement not covered" > return response;</span>
};
&nbsp;
/**
* 데이터베이스 에러 처리
*/
const handleDatabaseError = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(e</span>rror, operation = <span class="branch-0 cbranch-no" title="branch not covered" >'database operation')</span> =&gt; {</span>
<span class="cstat-no" title="statement not covered" > console.error(`[DB Error] ${operation}:`, error);</span>
// 일반적인 DB 에러 코드 매핑
const errorMappings = <span class="cstat-no" title="statement not covered" >{</span>
'ER_DUP_ENTRY': { message: '중복된 데이터입니다.', statusCode: 409 },
'ER_NO_REFERENCED_ROW_2': { message: '참조된 데이터가 존재하지 않습니다.', statusCode: 400 },
'ER_ROW_IS_REFERENCED_2': { message: '다른 데이터에서 참조되고 있어 삭제할 수 없습니다.', statusCode: 409 },
'ER_BAD_FIELD_ERROR': { message: '잘못된 필드명입니다.', statusCode: 400 },
'ER_NO_SUCH_TABLE': { message: '테이블이 존재하지 않습니다.', statusCode: 500 },
'ECONNREFUSED': { message: '데이터베이스 연결에 실패했습니다.', statusCode: 503 }
};
&nbsp;
const mapping = <span class="cstat-no" title="statement not covered" >errorMappings[error.code] || errorMappings[error.errno];</span>
<span class="cstat-no" title="statement not covered" > if (mapping) {</span>
<span class="cstat-no" title="statement not covered" > throw new ApiError(mapping.message, mapping.statusCode, error.code);</span>
}
&nbsp;
// 기본 에러
<span class="cstat-no" title="statement not covered" > throw new ApiError(`${operation} 중 오류가 발생했습니다.`, 500, error.code);</span>
};
&nbsp;
/**
* 유효성 검사 에러 처리
*/
const handleValidationError = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(f</span>ield, value, rule) =&gt; {</span>
const message = <span class="cstat-no" title="statement not covered" >`${field} 필드가 유효하지 않습니다. (값: ${value}, 규칙: ${rule})`;</span>
<span class="cstat-no" title="statement not covered" > throw new ApiError(message, 400, 'VALIDATION_ERROR');</span>
};
&nbsp;
/**
* 권한 에러 처리
*/
const handleAuthorizationError = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(r</span>equiredLevel, userLevel) =&gt; {</span>
const message = <span class="cstat-no" title="statement not covered" >`접근 권한이 부족합니다. (필요: ${requiredLevel}, 현재: ${userLevel})`;</span>
<span class="cstat-no" title="statement not covered" > throw new ApiError(message, 403, 'AUTHORIZATION_ERROR');</span>
};
&nbsp;
/**
* 리소스 없음 에러 처리
*/
const handleNotFoundError = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(r</span>esource, identifier = <span class="branch-0 cbranch-no" title="branch not covered" >null)</span> =&gt; {</span>
const message = <span class="cstat-no" title="statement not covered" >identifier </span>
? `${resource}(${identifier})을(를) 찾을 수 없습니다.`
: `${resource}을(를) 찾을 수 없습니다.`;
<span class="cstat-no" title="statement not covered" > throw new ApiError(message, 404, 'NOT_FOUND');</span>
};
&nbsp;
/**
* Express 에러 핸들러 미들웨어
*/
const errorMiddleware = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(e</span>rror, req, res, next) =&gt; {</span>
// ApiError가 아닌 경우 변환
<span class="cstat-no" title="statement not covered" > if (!(error instanceof ApiError)) {</span>
<span class="cstat-no" title="statement not covered" > error = new ApiError(error.message || '서버 내부 오류', 500);</span>
}
&nbsp;
const response = <span class="cstat-no" title="statement not covered" >formatErrorResponse(error, req);</span>
// 로깅
<span class="cstat-no" title="statement not covered" > if (error.statusCode &gt;= 500) {</span>
<span class="cstat-no" title="statement not covered" > console.error('[Server Error]', {</span>
message: error.message,
stack: error.stack,
url: req.originalUrl,
method: req.method,
user: req.user?.username || 'anonymous'
});
} else {
<span class="cstat-no" title="statement not covered" > console.warn('[Client Error]', {</span>
message: error.message,
url: req.originalUrl,
method: req.method,
user: req.user?.username || 'anonymous'
});
}
&nbsp;
<span class="cstat-no" title="statement not covered" > res.status(error.statusCode).json(response);</span>
};
&nbsp;
/**
* 비동기 함수 래퍼 (에러 자동 처리)
*/
const asyncHandler = <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >(f</span>n) =&gt; {</span>
<span class="cstat-no" title="statement not covered" > return <span class="fstat-no" title="function not covered" >(r</span>eq, res, next) =&gt; {</span>
<span class="cstat-no" title="statement not covered" > Promise.resolve(fn(req, res, next)).catch(next);</span>
};
};
&nbsp;
<span class="cstat-no" title="statement not covered" >module.exports = {</span>
ApiError,
formatErrorResponse,
handleDatabaseError,
handleValidationError,
handleAuthorizationError,
handleNotFoundError,
errorMiddleware,
asyncHandler
};
&nbsp;</pre></td></tr></table></pre>
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