/**
  * @param null $bar
  * @return bool
  */
 public function process($bar = null)
 {
     Log::info('Start process');
     $tasks = $this->taskRepository->getPending();
     if (!$tasks->count()) {
         return true;
     }
     if ($bar !== null) {
         $bar->start($tasks->count() + 1);
     }
     $this->login();
     $this->advanceBar($bar);
     foreach ($tasks as $task) {
         try {
             $this->processTask($task);
             $this->tasksProcesseds[] = $task;
         } catch (\Exception $e) {
             $task->status = 'ERROR';
             $task->error_message = $e->getMessage();
             $task->save();
         }
         $this->advanceBar($bar);
     }
     Log::info('Finish process');
     return true;
 }