public function actionIndex($isForced = false, $isDebug = false)
 {
     $console = Console::getInstance($isForced, $isDebug);
     $terminated = false;
     $console->writeLine('Initializing');
     //        if (Executor::model()->count() >= Settings::getValue(Settings::SIMULTANEOUS_EXECUTORS_LIMIT)) {
     //            $console->error('Executors limit is reached');
     //
     //            return;
     //        }
     $executor = new Executor();
     $executor->save();
     $executorTaskSearchCooldown = Settings::getValue(Settings::EXECUTOR_TASK_SEARCH_COOLDOWN);
     $executorTaskSearchLimit = Settings::getValue(Settings::EXECUTOR_TASK_SEARCH_LIMIT);
     while (!$terminated) {
         // Search for task
         $console->operationStart('Searching for tasks');
         $executor->setStatus(Executor::STATUS_SEARCHING);
         try {
             $attempt = 1;
             while (!$executor->findTask()) {
                 sleep($executorTaskSearchCooldown);
                 $console->operationStep();
                 if ($attempt++ > $executorTaskSearchLimit) {
                     $console->writeLine('No new tasks');
                     $executor->delete();
                     return;
                 }
             }
             $executor->refresh();
         } catch (Exception $ex) {
             $executor->keyword->setStatus(Keyword::STATUS_PENDING);
             $executor->setStatus(Executor::STATUS_ERROR);
             $console->error($ex->getMessage());
             $terminated = true;
             continue;
         }
         $console->operationEnd();
         // Start check
         $console->writeLine('Checking keyword "' . $executor->keyword->name . '"');
         $executor->keyword->setStatus(Keyword::STATUS_IN_PROGRESS);
         $executor->setStatus(Executor::STATUS_CHECKING);
         $googleSearchEngine = new GoogleSearchEngineIt();
         $googleSearchEngine->search($executor->keyword->name);
         $sites;
         try {
             $sites = $googleSearchEngine->getPosition(1, 10);
         } catch (Exception $ex) {
             $executor->keyword->setStatus(Keyword::STATUS_PENDING);
             $executor->status = Executor::STATUS_ERROR;
             $executor->message = $ex->getMessage();
             $executor->update();
             $console->error($ex->getMessage());
             $terminated = true;
             continue;
         }
         // Save results
         $console->progressStart('Saving results', count($sites));
         foreach ($sites as $s) {
             $console->progressStep();
             $s->keyword_id = $executor->keyword_id;
             $s->save();
         }
         $console->progressEnd();
         $executor->keyword->setStatus(Keyword::STATUS_CHECKED);
         $executor->setStatus(Executor::STATUS_PENDING);
     }
     if ($executor->status == Executor::STATUS_ERROR) {
         $executor->setStatus(Executor::STATUS_COOLDOWN);
         sleep(Settings::getValue(Settings::ABUSE_COOLDOWN));
     }
     $executor->delete();
     $console->writeLine('Execution terminated');
     return;
 }