Vending Machine Laravel API with Filament Adminpanel

A project based on a real Upwork job: Employee Purchase System via Access Card and Self-Service Vending Machines.

Here's the link to the PDF of that Upwork job.

The system consists of two main components: a Laravel API for processing purchases and a Filament admin panel for managing the system.

API Purchase Flow

The system processes purchases through a single API endpoint (/api/purchase) which handles the following flow in the app/Http/Controllers/API/PurchaseController.php Controller:

public function process(PurchaseRequest $request): JsonResponse
{
    $data = $request->validated();
    $transactionTime = $data['timestamp'] ?? now();
 
    return DB::transaction(function () use ($data, $transactionTime) {
        // Implementation of the purchase flow...
    });
}

On top, it has a lot of validation logic.

1. Validates the incoming request (card number, machine ID, slot number, product price). Validation is handled by the...

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