/**
  * Compare two users.
  * @param Request $request
  * @return Response
  */
 public function index(Request $request)
 {
     $user1Id = $request->input('user');
     $user2Id = $request->input('to');
     // todo: make sure both valid users, and they are different
     $user1 = $this->user->getUser($user1Id);
     $user2 = $this->user->getUser($user2Id);
     $user1Stats = $this->user->getUserStats($user1Id);
     $user2Stats = $this->user->getUserStats($user2Id);
     $user1BestRounds = $this->round->getBestRoundsByUser($user1Id, 5);
     $user2BestRounds = $this->round->getBestRoundsByUser($user2Id, 5);
     $users = compact('user1', 'user2');
     $stats = ['user1' => $user1Stats, 'user2' => $user2Stats];
     $bestRounds = ['user1' => $user1BestRounds, 'user2' => $user2BestRounds];
     return view('compare.index', compact('stats', 'users', 'bestRounds'));
 }
 /**
  * Display a feed of rounds played by users this user is following.
  *
  * @param $userId
  * @return \Illuminate\View\View
  */
 public function feed($userId)
 {
     $user = $this->user->getUser($userId);
     $feed = $this->user->getUserPaginatedFeed($user->id, 10);
     return view('users.feed', compact('user', 'feed'));
 }