94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
const logger = require('../utils/logger');
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// Error handling middleware
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const errorHandler = (err, req, res, next) => {
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let error = { ...err };
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error.message = err.message;
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// Log error
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logger.error('Error occurred:', {
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message: err.message,
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stack: err.stack,
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url: req.url,
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method: req.method,
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ip: req.ip,
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userAgent: req.get('User-Agent')
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});
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// Mongoose bad ObjectId
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if (err.name === 'CastError') {
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const message = 'Resource not found';
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error = { message, statusCode: 404 };
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}
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// Mongoose duplicate key
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if (err.code === 11000) {
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const message = 'Duplicate field value entered';
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error = { message, statusCode: 400 };
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}
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// Mongoose validation error
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if (err.name === 'ValidationError') {
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const message = Object.values(err.errors).map(val => val.message).join(', ');
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error = { message, statusCode: 400 };
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}
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// JWT errors
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if (err.name === 'JsonWebTokenError') {
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const message = 'Invalid token';
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error = { message, statusCode: 401 };
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}
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if (err.name === 'TokenExpiredError') {
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const message = 'Token expired';
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error = { message, statusCode: 401 };
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}
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// MySQL errors
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if (err.code === 'ER_DUP_ENTRY') {
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const message = 'Duplicate entry found';
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error = { message, statusCode: 400 };
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}
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if (err.code === 'ER_NO_REFERENCED_ROW_2') {
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const message = 'Referenced record not found';
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error = { message, statusCode: 400 };
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}
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if (err.code === 'ER_ROW_IS_REFERENCED_2') {
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const message = 'Cannot delete record - it is referenced by other records';
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error = { message, statusCode: 400 };
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}
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// Redis errors
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if (err.code === 'ECONNREFUSED' && err.syscall === 'connect') {
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const message = 'Cache service unavailable';
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error = { message, statusCode: 503 };
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}
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// Network errors
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if (err.code === 'ENOTFOUND') {
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const message = 'Service not found';
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error = { message, statusCode: 503 };
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}
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if (err.code === 'ETIMEDOUT') {
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const message = 'Request timeout';
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error = { message, statusCode: 408 };
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}
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// Default error
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const statusCode = error.statusCode || 500;
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const message = error.message || 'Server Error';
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// Don't leak error details in production
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const response = {
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success: false,
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error: message,
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...(process.env.NODE_ENV === 'development' && { stack: err.stack })
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};
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res.status(statusCode).json(response);
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};
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module.exports = errorHandler;
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