This POS (Point of Sale) system is built on the Laravel framework, which allows users to manage sales, customers, and products in a retail setting. The API enables developers to integrate the POS system with their applications, allowing them to perform CRUD operations on the system's resources.

• https://www.c-sharpcorner.com/article/how-to-install-windows-subsystem-for-linux-wsl2-on-windows-11/

• root folder
  • npm install
  • composer install
  • php artisan migrate
  • npm run dev

- C:\xampp\php\php.ini 
- ;extension=gd change to extension=gd

docker-compose up --build

The API has the following endpoints:

1. /api/login This endpoint is used to authenticate the user. It expects a POST request with the user's email and password. If the credentials are valid, the API will return a token that the user can use to access other endpoints. The token is valid for 24 hours.

2. /api/logout This endpoint is used to logout the user. It expects a POST request with the user's token. If the token is valid, the API will log the user out and invalidate the token.

3. /api/customers This endpoint is used to manage customers. It supports CRUD operations for creating, reading, updating, and deleting customers. It expects a token in the request header for authentication.

4. /api/products This endpoint is used to manage products. It supports CRUD operations for creating, reading, updating, and deleting products. It expects a token in the request header for authentication.

5. /api/sales This endpoint is used to manage sales. It supports CRUD operations for creating, reading, updating, and deleting sales. It expects a token in the request header for authentication.

6. /api/users This endpoint is used to manage users. It supports CRUD operations for creating, reading, updating, and deleting users. It expects a token in the request header for authentication.

The API uses token-based authentication, which means that users need to provide a token in the request header to access the endpoints that require authentication. The token is obtained by sending a POST request to the /api/login endpoint with the user's email and password. The token is valid for 24 hours, after which the user needs to log in again to obtain a new token.

The API returns error responses with an appropriate HTTP status code and a JSON response body that provides additional information about the error. The following are the possible error responses:

1. 400 Bad Request: This error occurs when the request is invalid, such as missing a required parameter.

2. 401 Unauthorized: This error occurs when the user is not authenticated or the token is invalid.

3. 403 Forbidden: This error occurs when the user is authenticated but does not have the required permissions to perform the requested operation.

4. 404 Not Found: This error occurs when the requested resource does not exist.

5. 422 Unprocessable Entity: This error occurs when the request is valid but the server cannot process it, such as when a validation rule fails.

This POS API provides developers with the ability to integrate their applications with a retail Point of Sale system. With endpoints for managing customers, products, sales, and users, the API offers developers the flexibility to build a custom solution that meets their specific needs. The API uses token-based authentication to secure access to the endpoints that require authentication and returns error responses with appropriate HTTP status codes and error messages.

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