/**
  * Update the specified resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function update(Request $request, $id)
 {
     // If any exceptions are thrown any DB operations
     // will be automatically rolled back.
     DB::transaction(function () use($request, $id) {
         $team = Team::find($id);
         $team->name = $request['name'];
         $team->number = $request['number'];
         $team->event()->associate(Event::find($request['event_id']));
         if (!empty($request['members'])) {
             $this->syncTeamMembers($request, $team);
         } else {
             if (!$team->members->isEmpty()) {
                 $team->members()->detach();
             }
         }
         $team->save();
     });
     flash()->success('Success!', "Team data has been updated!");
     return redirect(route('admin.weigh-ins.teams.index'));
 }