fotospiel-app/app/Http/Requests/Checkout/CheckoutSessionConfirmRequest.php

<?php

namespace App\Http\Requests\Checkout;

use App\Models\CheckoutSession;
use Illuminate\Foundation\Http\FormRequest;

class CheckoutSessionConfirmRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        $session = $this->route('session');

        if (! $session instanceof CheckoutSession) {
            return false;
        }

        $user = $this->user();

        if (! $user) {
            return false;
        }

        return (int) $session->user_id === (int) $user->id;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        return [
            'transaction_id' => ['nullable', 'string', 'required_without:checkout_id'],
            'checkout_id' => ['nullable', 'string', 'required_without:transaction_id'],
        ];
    }

    public function messages(): array
    {
        return [
            'transaction_id.required_without' => 'Transaction ID oder Checkout ID fehlt.',
            'checkout_id.required_without' => 'Checkout ID oder Transaction ID fehlt.',
        ];
    }
}