/**
  * Function to create the new Interview for the user
  * @param Request $request
  * @return string
  */
 public function addInterview(Request $request)
 {
     header('Access-Control-Allow-Origin: *');
     $return = 'success';
     $interview = new Interview();
     $userEmail = $request->input('userEmail');
     $categoryID = $request->input('categoryID');
     $question = $request->input('question');
     $answer = $request->input('answer');
     $qOrder = $request->input('qOrder');
     $interviewID = $interview->getInterviewID($userEmail, $categoryID);
     if (strcmp($interviewID, "failure") == 0) {
         $interview->addInterview($userEmail, $categoryID);
         $interviewID = $interview->getInterviewID($userEmail, $categoryID);
         $questionAnswer = new QuestionAnswer();
         $return = $questionAnswer->setQuestionAnswer($question, $answer, $interviewID, $qOrder);
         if (strcmp($return, "failure") == 0) {
             $return = "failure";
         }
     } else {
         $questionAnswer = new QuestionAnswer();
         $return = $questionAnswer->setQuestionAnswer($question, $answer, $interviewID, $qOrder);
         if (strcmp($return, "failure") == 0) {
             $return = "failure";
         }
     }
     return $return;
 }