jagd-apps/nachsuche/backend/middleware/errorHandler.js

42 lines
1.0 KiB
JavaScript

const config = require('../config/env');
const logger = require('../utils/logger');
const errorHandler = (err, req, res, next) => {
let error = { ...err };
error.message = err.message;
// Log error
logger.error('Fehler:', {
message: err.message,
stack: err.stack,
url: req.originalUrl,
method: req.method
});
// Mongoose bad ObjectId
if (err.name === 'CastError') {
const message = 'Ressource nicht gefunden';
error = { message, statusCode: 404 };
}
// Mongoose duplicate key
if (err.code === 11000) {
const message = 'Duplikat gefunden';
error = { message, statusCode: 400 };
}
// Mongoose validation error
if (err.name === 'ValidationError') {
const message = Object.values(err.errors).map(val => val.message).join(', ');
error = { message, statusCode: 400 };
}
res.status(error.statusCode || 500).json({
success: false,
message: error.message || 'Serverfehler',
...(config.nodeEnv === 'development' && { stack: err.stack })
});
};
module.exports = errorHandler;