47818bade1
Core Values (TRA-VAL-0001): - Adapt STR-VAL-0001 for Tractatus AI Safety Framework - Define 6 core values: Sovereignty, Transparency, Harmlessness, Human Judgment Primacy, Community, Biodiversity - Establish AI governance principles and decision framework - Document Te Tiriti commitment as strategic baseline - Create values alignment metrics and review process Database Utilities: - MongoDB connection with retry logic and health checks - Singleton pattern for connection management - Comprehensive error handling and reconnection Logger Utility: - Winston-based logging (console + file) - Request logging middleware - Error log separation - Configurable log levels JWT Utility: - Token generation and verification - Secure admin authentication - Header extraction methods Markdown Utility: - Markdown to HTML conversion with syntax highlighting - XSS protection via sanitization - Table of contents extraction - Front matter parsing - Slug generation Status: Core infrastructure utilities complete
73 lines
1.8 KiB
JavaScript
73 lines
1.8 KiB
JavaScript
/**
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* Logger Utility
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* Winston-based logging with file and console output
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*/
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const winston = require('winston');
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const path = require('path');
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const logLevel = process.env.LOG_LEVEL || 'info';
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const logFile = process.env.LOG_FILE || path.join(__dirname, '../../logs/app.log');
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// Define log format
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const logFormat = winston.format.combine(
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winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
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winston.format.errors({ stack: true }),
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winston.format.printf(({ timestamp, level, message, stack }) => {
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return stack
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? `${timestamp} [${level.toUpperCase()}]: ${message}\n${stack}`
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: `${timestamp} [${level.toUpperCase()}]: ${message}`;
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})
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);
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// Create logger instance
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const logger = winston.createLogger({
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level: logLevel,
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format: logFormat,
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transports: [
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// Console output (colored in development)
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new winston.transports.Console({
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format: winston.format.combine(
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winston.format.colorize(),
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logFormat
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)
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}),
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// File output
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new winston.transports.File({
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filename: logFile,
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maxsize: 5242880, // 5MB
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maxFiles: 5,
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}),
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// Error file
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new winston.transports.File({
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filename: path.join(path.dirname(logFile), 'error.log'),
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level: 'error',
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maxsize: 5242880,
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maxFiles: 5,
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})
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]
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});
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// Add request logging method
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logger.request = (req, res, next) => {
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const start = Date.now();
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res.on('finish', () => {
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const duration = Date.now() - start;
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const message = `${req.method} ${req.originalUrl} ${res.statusCode} - ${duration}ms`;
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if (res.statusCode >= 500) {
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logger.error(message);
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} else if (res.statusCode >= 400) {
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logger.warn(message);
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} else {
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logger.info(message);
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}
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});
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next();
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};
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module.exports = logger;
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