BE-App

A Node.js backend application with modular architecture, supporting user authentication, game logic, transactions, notifications, and more.

Project Structure

.
├── controllers/      # Business logic for routes
├── middleware/       # Express middleware for authentication, validation, and custom responses
├── models/           # Mongoose models for MongoDB collections
├── routes/           # Express route definitions
├── utils/            # Utility functions and helpers

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Folders & Key Files

controllers/

• admin.js: Admin-related business logic and operations.
• affiliate.js: Affiliate system logic.
• auth.js: Authentication logic (login, registration, password reset, etc.).
• firebaseToken.js: Logic for managing Firebase device tokens.
• game.js: Core game logic and operations.
• notification.js: Notification sending and management.
• round.js: Game round management.
• transaction.js: Transaction processing and business logic.

middleware/

• auth.js: Authentication and validation middleware (JWT verification, registration/login param checks, admin token checks, etc.).
• customResponse.js: Custom response class for standardized API responses.
• game.js: Middleware related to game logic.
• transaction.js: Middleware for transaction validation.

models/

• user.js: Main user schema (phone, username, password, balances, referrals, OTP, restrictions, etc.).
• admin.js, AdminXAFLog.js: Admin and admin log schemas.
• transaction.js, pendingTransaction.js, XAFTransfer.js: Transaction and transfer schemas.
• game.js, round.js, userBet.js: Game, round, and betting schemas.
• firebaseToken.js, UnregisteredUserFirebaseToken.js: Firebase device token storage.
• balanceLog.js, ReferralRewardLog.js: Logging and reward tracking.
• globalSetting.js: Global settings schema.

routes/

• index.js: Main entry point, basic health check route.
• user.js, admin.js, game.js, transaction.js, affiliate.js, firebaseToken.js, pawapaycalls.js: Route files for user management, admin, game logic, transactions, affiliate system, Firebase token management, and payment gateway callbacks.

utils/

• common.js: Utility functions for password hashing, JWT, SMS, push notifications, and more.
• errorCodes.js: Centralized error code definitions for consistent API responses.
• firebase.js, firebase-adminsdk.json: Firebase admin SDK setup.
• game.js: Game-related utility functions.
• notificationTemplates.js: Templates for notifications.

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Getting Started

1. Install dependencies:

   npm install

2. Set up environment variables:

   • Create a .env file with your MongoDB URI, JWT secret, Twilio credentials, and other required secrets.

3. Run the server:

   npm start

4. API Endpoints:

   • See the routes/ folder for available endpoints (user, admin, game, transaction, etc.).

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Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

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License

MIT (or specify your license)