*/ public function rules(): array { return [ 'variants' => ['required', 'array', 'min:1', 'max:500'], 'variants.*' => ['required', 'array:id,title,description,stock,price'], 'variants.*.id' => ['sometimes', 'nullable', 'integer', 'distinct'], 'variants.*.title' => ['required', 'string', 'max:255'], 'variants.*.description' => ['sometimes', 'nullable', 'string'], 'variants.*.stock' => ['required', 'integer', 'min:0'], 'variants.*.price' => ['required', 'numeric', 'min:0', 'max:99999999.99'], ]; } }