ldc-legaulois/app/Http/Requests/RecipeIndexRequest.php

<?php

namespace App\Http\Requests;

use App\Enums\RecipeFilter;
use App\Exceptions\RedirectTo;
use Illuminate\Foundation\Http\FormRequest;

class RecipeIndexRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        if ($this->type) {
            $this->merge([
                'type' => $this->type
            ]);
        }
        if ($this->value) {
            $this->merge([
                'value' => $this->value
            ]);
        }
        if ($this->search) {
            $this->merge([
                'search' => $this->search
            ]);
        }
        if ($this->video_recipe) {
            $this->merge([
                'video_recipe' => $this->video_recipe
            ]);
        }
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'type' => [
                'sometimes',
                // @phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClassBeforeLastUsed,Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClassAfterLastUsed
                function ($attribute, $value, $fail) {
                    if (!in_array($value, RecipeFilter::toValues())) {
                        throw new RedirectTo(route('recipes.index'));
                    }
                }
            ],
            'value' => 'sometimes',
            'search' => 'sometimes',
            'video_recipe' => 'sometimes'
        ];
    }
}