/**
  * @param string $user
  * @param string $repository
  * @return float
  */
 private function computeOpenIssueRatio($user, $repository)
 {
     $query = "repo:{$user}/{$repository} type:issue " . $this->getExcludedLabelsSearchString();
     $results = $this->github->search()->issues("{$query} state:open");
     $openCount = $results['total_count'];
     $results = $this->github->search()->issues("{$query} state:closed");
     $closedCount = $results['total_count'];
     $total = $openCount + $closedCount;
     return $total !== 0 ? $openCount / $total : 0;
 }
 protected function fetchSearchResults($searchString, $count)
 {
     $results = $this->client->search()->setPerPage($count)->users($searchString, 'followers');
     return $results['items'];
 }