/**
  *
  * @param Request $request
  * @return Response
  */
 public function store(Request $request)
 {
     $exercise = new Exercise($request->only('name', 'description', 'step_number', 'default_quantity', 'target', 'priority', 'stretch', 'frequency'));
     $exercise->user()->associate(Auth::user());
     $exercise->program()->associate(ExerciseProgram::find($request->get('program_id')));
     $exercise->series()->associate(Series::find($request->get('series_id')));
     $exercise->defaultUnit()->associate(Unit::find($request->get('default_unit_id')));
     $exercise->save();
     $exercise = $this->transform($this->createItem($exercise, new ExerciseTransformer()))['data'];
     return response($exercise, Response::HTTP_CREATED);
 }
 /**
  * Get all the user's entries for an exercise series.
  * This could be expressed two ways:
  * 1: $series->entries
  * 2: $entry->where('series_id', $series->id)
  * @param Request $request
  * @return array
  */
 public function show($series_id)
 {
     //Fetch the series (singular-the series that was clicked on)
     $series = Series::find($series_id);
     return transform(createCollection($this->exerciseSeriesRepository->getExerciseSeriesHistory($series), new ExerciseEntryTransformer()))['data'];
 }