Features

• User Registration and Login with JWT authentication
• Swipe Functionality (like and pass with daily quota)
• Premium Subscription (Unlocks features like unlimited swipes, verified badge)
• Database Migrations with GORM
• Unit Testing Tech Stack
• Go (Golang) - Backend programming language
• GORM - ORM for Go
• MySQL - Database
• JWT - Authentication (JSON Web Tokens) Project Structure The directory structure is designed to be modular and maintainable: /datingapps ├── /cmd │ └── main.go ├── /internal │ ├── /auth │ │ └── auth.go │ ├── /swipes │ │ └── swipes.go │ ├── /premium │ │ └── premium.go ├── /pkg │ ├── /database │ │ ├── db.go │ │ └── models.go │ └── /utils │ └── utils.go ├── /routes │ ├── /auth │ │ └── auth_controller.go │ ├── /swipes │ │ └── swipe_controller.go │ └── /premium │ └── premium_controller.go ├── /tests │ ├── auth_test.go ├── /migrations ├── go.mod ├── go.sum └── README.md

Dependencies

• github.com/golang-jwt/jwt/v4: For JWT token generation and validation.
• gorm.io/gorm: ORM for handling database interactions.
• gorm.io/driver/postgres: PostgreSQL driver for GORM.
• gorm.io/driver/mysql: MySQL driver for GORM.
• github.com/joho/godotenv: For loading environment variables from .env.
• github.com/gin-gonic/gin: For handling HTTP routes.

Setup and Installation

1. Clone the Repository

2. Install Dependencies

3. Configure Environment Variables Create a .env file in the root of your project with the following variables: DB_HOST=localhost DB_PORT=3306 DB_USER=gorm DB_PASSWORD=gorm DB_NAME=dating_app

4. Database Setup MySQL: If you're using MySQL, run the following commands to create the database: CREATE DATABASE dating_app;

5. Run Migrations To create the tables and relationships in your database, run the migration setup. go run cmd/main.go This will automatically create the necessary tables based on the AutoMigrate() function in the db.go file.

6. Run the Application Start the Go application: go run cmd/main.go

7. API Endpoints POST /signup: User registration POST /login: User login (JWT token) POST /swipe: User swipes left or right GET /profile: Get user profile POST /premium: Purchase premium feature

8. Unit Testing Run the unit tests for the models and services: go test ./tests/auth_test.go