/**
  * Handle a registration request for the application.
  *
  * @param $school
  * @param CreateAdministratorRequest|Request $request
  * @return \Illuminate\Http\Response
  */
 public function postRegister($school, CreateAdministratorRequest $request)
 {
     $validator = $this->validator($request->all());
     if ($validator->fails()) {
         $this->throwValidationException($request, $validator);
     }
     $data = $request->all();
     $user = User::where('email', $request->email)->where('password', bcrypt($request->password))->first();
     if ($user != null) {
         if (Administrator::where('user_id', $user->id)->first()) {
             return redirect($school->username)->withInput($request->only('email', 'remember'))->withErrors(['email' => 'Administrator already exists.']);
         } else {
             Administrator::create(['name' => $data['name'], 'class' => $data['class'], 'role' => $data['role'], 'user_id' => $user->id, 'school_id' => $school->id]);
             return redirect($school->username);
         }
     } else {
         return redirect($school->username)->withInput($request->only('email', 'remember'))->withErrors(['email' => $this->getFailedLoginMessage()]);
     }
 }