This project implements an online payment gateway that allows initiate payments, and view transaction history. It provides a RESTful API with endpoints for user management, payment initiation, and transaction history retrieval. The project is built using Java Spring and integrates with Swagger for API documentation.
src/main/java/com/ai/codegeneration/: Main Java source directory.api/: Contains the API controllers and related classes.controller/: Defines the REST API endpoints.entity/: Contains the JPA entity classes.mapper/: Contains mapper classes for converting entities and POJOs.model/: Defines the request and response POJOs for API endpoints.repository/: Contains JPA repositories for database operations.service/: Implements the business logic for user and payment operations.validation/: Contains validation classes for input data.
config/: Contains configuration files, including Swagger configuration.
src/main/resources/: Resource directory.application.yml: Contains application configuration properties, including database settings.
- Endpoint:
/api/payments/initiate - Method: POST
- Description: Allows users to initiate a payment by providing the payment amount and credit/debit card details.
- Endpoint:
/api/transactions/history - Method: GET
- Description: Retrieves the transaction history for the authenticated user, including details like transaction amount, timestamp, and status.
- Clone this repository to your local machine.
- Open the project in your preferred Java IDE.
- Run the application using the IDE's run configuration.
- Java Spring Boot
- Spring Data JPA
- Lombok
- Swagger (for API documentation)
- H2 Database (for development)
The application uses an H2 in-memory database for development purposes. The data stored in the database is lost each time the application is restarted. This ensures that the database is always in a clean state for testing and development.
- API documentation is available using Swagger at
http://localhost:8080/swagger-ui.htmlwhen the application is running.