powr-sdk-api/dist/middleware/response.js

Shared API core library for PowrStack projects

"use strict";

const logger = require('../services/logger');
const responseFormatter = (req, res, next) => {
  // Add success method to response object
  res.success = function (message = 'Success', statusCode = 200, data = null) {
    const response = {
      success: true,
      message
    };

    // Only include data if it's not null
    if (data !== null) {
      response.data = data;
    }
    return this.status(statusCode).json(response);
  };

  // Add error method to response object
  res.error = function (message = 'Error', statusCode = 500, error = null) {
    const response = {
      success: false,
      message
    };

    // Only include details if they're not null
    if (error !== null) {
      response.error = error;
    }
    return this.status(statusCode).json(response);
  };
  next();
};
const responseLogger = (req, res, next) => {
  const startTime = Date.now();
  res.on('finish', () => {
    const responseTime = Date.now() - startTime;
    logger.info('API Response', {
      method: req.method,
      url: req.originalUrl,
      statusCode: res.statusCode,
      responseTime: `${responseTime}ms`,
      userAgent: req.get('user-agent'),
      ip: req.ip,
      response: res.locals.responseBody || '[not captured]'
    });
  });
  next();
};
module.exports = {
  responseFormatter,
  responseLogger
};