topnotch_website/app/Http/Requests/ProductServiceRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class ProductServiceRequest extends FormRequest
{
    /**
     * @return array<array<string>>
     */
    public function rules(): array
    {
        return [
            'order_product_id' => ['required', 'exists:order_products'],
            'service_file_id'  => ['nullable', 'exists:service_files'],
            'service_type'     => ['required'],
            'placement'        => ['required'],
            'setup_amount'     => ['required'],
            'amount'           => ['nullable'],
            'amount_price'     => ['nullable'],
        ];
    }

    public function authorize(): bool
    {
        return true;
    }
}