root
49 lines
1.8 KiB
TypeScript
49 lines
1.8 KiB
TypeScript
import { Request, Response, NextFunction } from 'express'
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import { AppError } from './index'
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function withRequestId(req: Request, payload: Record<string, unknown>) {
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return { ...payload, requestId: req.requestId }
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}
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export function errorMiddleware(err: any, req: Request, res: Response, _next: NextFunction) {
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if (err.name === 'ZodError') {
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return res.status(400).json(withRequestId(req, {
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error: 'validation_error',
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message: 'Invalid request body',
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issues: err.issues,
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statusCode: 400,
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}))
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}
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if (err.code === 'P2025') {
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return res.status(404).json(withRequestId(req, { error: 'not_found', message: 'Resource not found', statusCode: 404 }))
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}
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if (err.code === 'P2002') {
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return res.status(409).json(withRequestId(req, { error: 'conflict', message: 'A resource with this value already exists', statusCode: 409 }))
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}
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if (err instanceof AppError) {
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if (err.statusCode >= 500) console.error('[API Error]', { requestId: req.requestId, err })
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return res.status(err.statusCode).json(withRequestId(req, {
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error: err.error,
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message: err.statusCode >= 500 ? 'Internal server error' : err.message,
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statusCode: err.statusCode,
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...(err.statusCode >= 500 ? {} : err.data),
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}))
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}
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const statusCode = typeof err.statusCode === 'number' ? err.statusCode : 500
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const safeStatusCode = statusCode >= 400 && statusCode < 600 ? statusCode : 500
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if (safeStatusCode >= 500) {
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console.error('[API Error]', { requestId: req.requestId, err })
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}
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res.status(safeStatusCode).json(withRequestId(req, {
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error: safeStatusCode >= 500 ? 'internal_error' : (err.code ?? 'request_error'),
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message: safeStatusCode >= 500 ? 'Internal server error' : (err.message ?? 'Request failed'),
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statusCode: safeStatusCode,
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}))
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}
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