public function findById($id, $snapshotFilter, $versionFilter)
 {
     $project = ProjectArtifactId::where('id', $id)->with('projectGroupId')->with(array('projectVersions' => function ($query) use($snapshotFilter, $versionFilter) {
         if ($snapshotFilter === TRUE) {
             $query->where('snapshot', '=', !$snapshotFilter);
         }
         if (isset($versionFilter) && strcmp("", trim($versionFilter)) !== 0) {
             $query->where('name', '=', $versionFilter);
         }
     }))->first();
     return $project->toArray();
 }