ldc-ovoteam/app/Http/Requests/Back/Recipes/UpdateRecipeRequest.php

<?php

declare(strict_types=1);

namespace App\Http\Requests\Back\Recipes;

use Illuminate\Validation\Rule;

class UpdateRecipeRequest extends StoreRecipeRequest
{
    public function rules(): array
    {
        return array_merge(parent::rules(), [
            'picture' => [
                'required',
                $this->hasFile('picture')
                    ? Rule::imageFile()
                        ->max(self::MAX_FILE_SIZE_KB)
                        ->dimensions(
                            Rule::dimensions()
                                ->width(static::PICTURE_WIDTH)
                                ->height(static::PICTURE_HEIGHT)
                        )
                    : 'string',
            ],
        ]);
    }
}