The Link Generator System is a web application developed using Spring Boot that allows generating payment links for invoices and facilitating the payment process for customers.

The project utilizes several dependencies managed via Maven:

• Spring Boot Starter Web
• Spring Boot Starter Undertow
• Spring Boot Starter Thymeleaf
• Spring Boot Starter Data JPA
• Spring Boot Starter Mail
• Spring Boot Starter Validation
• Spring Boot Starter Security
• H2 Database
• Lombok
• ModelMapper
• JSON Web Token (JWT) libraries
• Java JWT
• JUnit
• Spring Boot Starter Test
• Spring Security Test

The application uses an H2 in-memory database configured as follows:

• URL: jdbc:h2:mem:lgs
• Username: sa
• Password: [blank]

Email properties are configured for SMTP using Gmail:

• Host: smtp.gmail.com
• Port: 465
• Username: [Your Gmail username]
• Password: [Your Gmail password]

JWT properties are configured for token generation:

• Expiration Time: 89999999 ms
• Secret Key: [Your JWT secret key]

Thymeleaf template configuration:

• Prefix: classpath:/templates/
• Suffix: .html

To build and run the project, ensure you have Maven and Java installed on your system. Then, execute the following command:

mvn spring-boot:run

The application will start, and you can access it via http://localhost:8080.

The project includes unit tests and integration tests. You can run the tests using Maven:

mvn test

For API documentation, refer to the Postman documentation: Link to API Documentation

• [Your Name]
• [Your Email]

Email sent to customer with details of invoice that require payment 

Wrong mock payment details inserted 

Error page displayed due to invalid details 

When details are valid, a success page is displayed with information 

Email sent to Customer when mock payment is successful