enterprise_assest_management_app/node_api/utils/logger.js

// node_api/utils/logger.js
const fs = require('fs');
const path = require('path');

class Logger {
  constructor() {
    this.logDir = path.join(__dirname, '../logs');
    this.ensureLogDirectory();
  }

  ensureLogDirectory() {
    if (!fs.existsSync(this.logDir)) {
      fs.mkdirSync(this.logDir, { recursive: true });
    }
  }

  getLogFileName(type = 'general') {
    const date = new Date().toISOString().split('T')[0];
    return path.join(this.logDir, `${type}-${date}.log`);
  }

  formatMessage(level, message, data = null) {
    const timestamp = new Date().toISOString();
    const logEntry = {
      timestamp,
      level,
      message,
      ...(data && { data })
    };
    return JSON.stringify(logEntry);
  }

  writeLog(level, message, data = null, logType = 'general') {
    const logMessage = this.formatMessage(level, message, data);
    const logFile = this.getLogFileName(logType);
    
    // Write to file
    fs.appendFileSync(logFile, logMessage + '\n');
    
    // Also log to console
    console.log(`[${level.toUpperCase()}] ${message}`, data || '');
  }

  info(message, data = null) {
    this.writeLog('info', message, data);
  }

  error(message, data = null) {
    this.writeLog('error', message, data);
  }

  warn(message, data = null) {
    this.writeLog('warn', message, data);
  }

  debug(message, data = null) {
    this.writeLog('debug', message, data);
  }

  job(message, data = null) {
    this.writeLog('info', message, data, 'jobs');
  }

  depreciation(message, data = null) {
    this.writeLog('info', message, data, 'depreciation');
  }
}

const logger = new Logger();
module.exports = { logger };