public function getTexts(Guard $auth, $taskId)
 {
     $task = Task::findOrFail($taskId);
     $texts = TextCrawl::where('task_id', $taskId)->take($task->max_document)->get();
     $title = "crawl/" . $task->id . "_" . \Carbon\Carbon::now()->format('Y-m-d-His') . "_texts.txt";
     foreach ($texts as $text) {
         file_put_contents($title, $text->text . "\n", FILE_APPEND);
     }
     return response()->download($title)->deleteFileAfterSend(true);
 }