/**
  * Return the chart data you want to return based on the ChartConfig
  *
  * @param User $user
  * @param ActivityUsageRepository|StorageUsageRepository $repository
  * @param ChartConfig $chartConfig
  * @return mixed
  */
 public function getChartUsage(User $user, $repository, ChartConfig $chartConfig)
 {
     if ($user->isAdminUser($user->getSignedInUsername())) {
         $data = $repository->findAllPerMonth();
     } else {
         $data = $repository->findAllPerMonth($chartConfig->getUsername());
     }
     return $data;
 }
 /**
  * Return a collection off 1 month ago based on the username supplied
  *
  * @param string $username
  * @return ActivityDayCollection
  */
 private function getCollectionByUsername($username)
 {
     $created = new \DateTime("-1 month");
     $data = $this->repository->findAfterCreatedByUsername($created, $username);
     $collection = new ActivityDayCollection();
     foreach ($data as $activityUsage) {
         $collection->add($activityUsage);
     }
     return $collection;
 }