public static function getClaimedUnclaimedCounts(MongoId $jobId)
 {
     $applications = ApplicationModel::getStatusesByJob($jobId);
     $unclaimedCount = 0;
     $claimedCount = 0;
     foreach ($applications as $application) {
         switch ($application['status']) {
             case self::STATUS_UNCLAIMED:
                 $unclaimedCount++;
                 break;
             case self::STATUS_REVIEW:
             case self::STATUS_ACCEPTED:
             case self::STATUS_REJECTED:
                 $claimedCount++;
                 break;
         }
     }
     return ['unclaimed' => $unclaimedCount, 'claimed' => $claimedCount];
 }