<?Php Namespace App\Http\Requests; use App\Models\Book; use Illuminate\Foundation\Http\FormRequest; use Illuminate\Support\Collection; class GetShopRequest extends FormRequest {

Question

<?Php Namespace App\Http\Requests; use App\Models\Book; use Illuminate\Foundation\Http\FormRequest; use Illuminate\Support\Collection; class GetShopRequest extends FormRequest {

/**
* @return Collection<Book>
*/
public function books(): Collection
{
return !empty($this->book_ids) ? Book::whereIn('id', $this->book_ids)->get() : Book::all();
}

public function rules()
{
return [
'book_ids' => ['array'],
'book_ids.*' => ['exists:books,id'],
];
}
}