Project Overview

OnMarket Landing API is a comprehensive e-commerce backend framework built with Node.js and Express.js. It provides a complete marketplace solution with multi-vendor support, affiliate marketing, payment processing, order management, and real-time chat functionality. 
 Key Capabilities 
 
 
 Multi-vendor Marketplace : Support for multiple stores with individual management 
 
 Product Management : Complete CRUD operations with variants, categories, and inventory 
 
 Order Processing : Full order lifecycle from cart to delivery tracking 
 
 Payment Gateway : Integrated with Xendit for multiple payment methods 
 
 Affiliate Marketing : 3-level referral system with commission tracking 
 
 Shipping Integration : GoSend instant delivery and other courier services 
 
 Real-time Chat : WebSocket-based customer-seller communication 
 
 Virtual Accounts : Automated payment collection via bank virtual accounts 
 
 Review System : Product reviews with media uploads 
 
 CMS Features : Content management for banners, categories, and promotions 
 
 
 Tech Stack 
 Core Technologies 
 
 
 Runtime : Node.js 
 
 Framework : Express.js v4.21.0 
 
 Language : JavaScript (ES6+) 
 
 Databases 
 
 
 PostgreSQL : Primary relational database (via Sequelize ORM v6.37.3) 
 
 MongoDB : Document storage for chats, affiliate data, and caching (via Mongoose v8.6.3) 
 
 Redis : Caching and session management (v4.7.0) 
 
 Key Dependencies 
 Web Framework & Middleware 
 
 
 express - Web application framework 
 
 cors - Cross-origin resource sharing 
 
 helmet - Security headers 
 
 morgan - HTTP request logger 
 
 express-validator - Request validation 
 
 passport - Authentication middleware 
 
 Data Management 
 
 
 sequelize - PostgreSQL ORM 
 
 mongoose - MongoDB ODM 
 
 redis - Redis client 
 
 pg - PostgreSQL driver 
 
 Authentication & Security 
 
 
 jsonwebtoken - JWT token generation 
 
 jwt-decode - JWT token decoding 
 
 passport-http - HTTP authentication strategy 
 
 helmet - Security middleware 
 
 File Processing 
 
 
 multer - File upload handling 
 
 minio - Object storage (S3-compatible) 
 
 sharp - Image processing 
 
 ffmpeg-static & fluent-ffmpeg - Video processing 
 
 bwip-js - Barcode generation 
 
 Document Generation 
 
 
 pdfkit - PDF generation 
 
 pdfmake - Advanced PDF creation 
 
 exceljs - Excel file generation 
 
 External Integrations 
 
 
 xendit-node - Payment gateway integration 
 
 axios - HTTP client 
 
 nodemailer - Email sending 
 
 socket.io - WebSocket for real-time features 
 
 Task Scheduling 
 
 
 node-cron - Cron job scheduling 
 
 bull - Job queue management 
 
 Utilities 
 
 
 dayjs - Date manipulation 
 
 lodash - Utility functions 
 
 nanoid - Unique ID generation 
 
 uuid - UUID generation 
 
 ajv - JSON schema validation 
 
 cli-color - Console color output 
 
 dotenv - Environment variable management 
 
 API Documentation 
 
 
 @scalar/express-api-reference - Interactive API documentation