warehouse/app/Http/Controllers/Locations/CreateLocationController.php

<?php

namespace App\Http\Controllers\Locations;

use App\Models\Location;
use Framework\Routing\Router;

class CreateLocationController
{
    public function handle(Router $router)
    {
        if (!session()->has('user_id')) {
            return redirect($router->route('show-register-form'));
        }

        secure();

        $data = validate($_POST, [
            'code' => ['required'],
            'name' => ['required'],
            'description' => [],
            'capacity' => ['positive_integer'],
        ], 'create_location_errors');

        $location = new Location();
        $location->code = $data['code'];
        $location->name = $data['name'];
        $location->description = $data['description'] ?? '';
        $location->capacity = !empty($data['capacity']) ? (int) $data['capacity'] : null;
        $location->save();

        return redirect($router->route('view-location', ['location' => $location->id]));
    }
}