/**
  * Display all the tasks for a specific contract
  *
  * @return string
  */
 public function tasksList($contract_id)
 {
     $contract = $this->contract->findWithTasks($contract_id);
     $contract->tasks = $this->task->appendAssignment($contract->tasks);
     $total_pages = $contract->tasks->count();
     $total_hit = $this->task->getTotalHits($contract_id);
     $status = $this->task->getTotalByStatus($contract_id);
     return view('mturk.tasks', compact('contract', 'total_pages', 'total_hit', 'status'));
 }