protected function isProjectNew($project)
 {
     $title = $this->getProceedingTitle($project);
     $proceedingPostDate = $this->getProceedingPostDate($project);
     $proceedingFileReference = $this->getProceedingFileReference($project);
     $proceeding = Project::whereHas('proceedings', function ($q) use($proceedingFileReference, $proceedingPostDate, $title) {
         $q->where('posted_at', '=', $proceedingPostDate)->where('file_reference', '=', $proceedingFileReference)->where('title', '=', $title);
     })->get()->count();
     return $proceeding ? false : true;
 }