Files
rentall-app/backend/middleware/apiLogger.js
2025-12-25 18:41:42 -05:00

84 lines
2.6 KiB
JavaScript

const logger = require('../utils/logger');
const apiLogger = (req, res, next) => {
const startTime = Date.now();
const reqLogger = logger.withRequestId(req.id);
const requestData = {
method: req.method,
url: req.url,
userAgent: req.get('User-Agent'),
ip: req.ip,
userId: req.user?.id || 'anonymous',
body: logger.sanitize(req.body),
params: req.params,
query: req.query,
headers: {
'content-type': req.get('Content-Type'),
'content-length': req.get('Content-Length'),
'referer': req.get('Referer'),
}
};
reqLogger.info('API Request', requestData);
const originalSend = res.send;
res.send = function(body) {
const endTime = Date.now();
const responseTime = endTime - startTime;
const responseData = {
statusCode: res.statusCode,
responseTime: `${responseTime}ms`,
contentLength: res.get('Content-Length') || (body ? body.length : 0),
method: req.method,
url: req.url,
userId: req.user?.id || 'anonymous'
};
// Parse response body for error responses to include error details
if (res.statusCode >= 400) {
let errorDetails = null;
if (body) {
try {
const parsed = typeof body === 'string' ? JSON.parse(body) : body;
// Extract error message, validation errors, or full response
errorDetails = {
error: parsed.error || parsed.message || null,
errors: parsed.errors || null, // validation errors array
details: parsed.details || null
};
// Remove null values
Object.keys(errorDetails).forEach(key => {
if (errorDetails[key] === null) delete errorDetails[key];
});
if (Object.keys(errorDetails).length > 0) {
responseData.errorDetails = errorDetails;
}
} catch (e) {
// Body is not JSON, include as string (truncated)
if (typeof body === 'string' && body.length > 0) {
responseData.errorDetails = { raw: body.substring(0, 500) };
}
}
}
}
if (res.statusCode >= 400 && res.statusCode < 500) {
// Don't log 401s for /users/profile - these are expected auth checks
if (!(res.statusCode === 401 && req.url === '/profile')) {
reqLogger.warn('API Response - Client Error', responseData);
}
} else if (res.statusCode >= 500) {
reqLogger.error('API Response - Server Error', responseData);
} else {
reqLogger.info('API Response - Success', responseData);
}
return originalSend.call(this, body);
};
next();
};
module.exports = apiLogger;