ldc-dam/app/Http/Requests/Bo/Ajax/CreateBasketRequest.php

<?php

namespace App\Http\Requests\Bo\Ajax;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Carbon;

class CreateBasketRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize()
    {
        $this->merge([
            'title' => $this->title ??
                sprintf('Panier du %s', Carbon::now()->format('d/m/Y'))
        ]);
        return auth()->check() and $this->ajax();
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'title' => 'required|min:1|max:255'
        ];
    }
}