ldc-qrcollector-back/app/Http/Requests/Api/GetStatsRequest.php

<?php

namespace App\Http\Requests\Api;

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

class GetStatsRequest extends FormRequest
{
    /**
     * Prepare the data for validation.
     *
     * @return void
     */
    protected function prepareForValidation(): void
    {
        $this->merge([
            'period' => $this->input('period') ? $this->input('period') : 'day',
            'start'  => $this->input('start') ? Carbon::create($this->input('start')) : now()->modify('-1 year'),
            'end'    => $this->input('end') ? Carbon::create($this->input('end')) : now(),
        ]);
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules(): array
    {
        return [];
    }
}