public function votePoll($poll_id, $id, $type)
 {
     $user_id = \Auth::user()->id;
     $isVote = $type == 1;
     $poll = PollsDemand::with('details')->findOrFail($poll_id);
     $pollDeamndVotes = PollDemandsVote::findOrNew(1)->where(array('user_id' => $user_id, 'polls_demand_id' => $poll_id));
     foreach ($pollDeamndVotes->get() as $pollDeamndVote) {
         $detail = $poll->details->find($pollDeamndVote->polls_demands_details_id);
         $detail->total_votes = $detail->total_votes - 1;
         $detail->save();
     }
     $pollDeamndVotes->delete();
     if ($isVote) {
         $pollDemandsVotes = new PollDemandsVote();
         $pollDemandsVotes->user_id = $user_id;
         $pollDemandsVotes->polls_demand_id = $poll_id;
         $pollDemandsVotes->polls_demands_details_id = $id;
         $pollDemandsVotes->save();
         $detail = $poll->details->find($id);
         $detail->total_votes = $detail->total_votes + 1;
         $detail->save();
     }
     $total_count = 0;
     foreach ($poll->details as $detail) {
         $total_count += $detail->total_votes;
     }
     $poll->total_votes = $total_count;
     $poll->save();
     return response()->json(['success' => true]);
 }
 public function isVoted()
 {
     $vote = \App\Models\PollDemandsVote::findOrNew(1)->where(array('user_id' => \Auth::user()->id, 'polls_demand_id' => $this->id))->get();
     return $vote->count() > 0;
 }