Work order management with inventory handling system

This web application is developed for a vehicle service station to manage their day to day vehicle services, inventory management, sales and payment management etc. This project is built mainly using the Laravel 8 PHP framework. And this is a fully ajax based system, and only the main page is refreshed without refreshing any other functioning that happens on the page. All the database related things are fully optimized to hold millions of records without getting stuck in the web app or browser. The system has mainly four types of user roles: Admin, Service Manager, Technician, and receptionist. The system also has an authorization module to assign user type-wise permissions and create new user types and users.