sfp_api_laravel_serprati/app/Http/Requests/StoreItemRequest.php

<?php

namespace App\Http\Requests;

use App\Enums\StoreItemStatusEnum;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class StoreItemRequest extends FormRequest
{
    public function rules(): array
    {
        $rules = [
            'name'            => 'sometimes|string|max:255',
            'description'     => 'sometimes|nullable|string',
            'category_id'     => 'sometimes|nullable|integer|exists:categories,id',
            'price'           => 'sometimes|nullable|numeric|min:0',
            'associate_price' => 'sometimes|nullable|numeric|min:0',
            'supplier_price'  => 'sometimes|nullable|numeric|min:0',
            'size_s'          => 'sometimes|boolean',
            'stock_s'         => 'sometimes|integer|min:0',
            'size_m'          => 'sometimes|boolean',
            'stock_m'         => 'sometimes|integer|min:0',
            'size_l'          => 'sometimes|boolean',
            'stock_l'         => 'sometimes|integer|min:0',
            'size_xl'         => 'sometimes|boolean',
            'stock_xl'        => 'sometimes|integer|min:0',
            'status'          => ['sometimes', Rule::enum(StoreItemStatusEnum::class)],
        ];

        if ($this->isMethod('post')) {
            $rules['name'] = 'required|string|max:255';
        }

        return $rules;
    }
}