/**
  * Display the specified resource.
  *
  * @param $courseSlug
  * @param Request $request
  * @return Response
  */
 public function show($courseSlug, Request $request)
 {
     $user = $request->user();
     $course = $this->course->getCourse($courseSlug);
     if ($user) {
         $bestRounds = $this->course->getUserBestRounds($course->id, $user->id);
         $stats = $this->course->getUserStats($course->id, $user->id);
     }
     return view('courses.show', compact('course', 'stats', 'bestRounds', 'user'));
 }