public function BulkUpdate()
 {
     $scheduleId = $this->page->GetScheduleId();
     $resourceTypeId = $this->page->GetResourceTypeId();
     $location = $this->page->GetLocation();
     $contact = $this->page->GetContact();
     $description = $this->page->GetDescription();
     $notes = $this->page->GetNotes();
     $adminGroupId = $this->page->GetAdminGroupId();
     $statusId = $this->page->GetStatusId();
     $reasonId = $this->page->GetStatusReasonId();
     // need to figure out difference between empty and unchanged
     $minDuration = $this->page->GetMinimumDuration();
     $minDurationNone = $this->page->GetMinimumDurationNone();
     $maxDuration = $this->page->GetMaximumDuration();
     $maxDurationNone = $this->page->GetMaximumDurationNone();
     $bufferTime = $this->page->GetBufferTime();
     $bufferTimeNone = $this->page->GetBufferTimeNone();
     $minNotice = $this->page->GetStartNoticeMinutes();
     $minNoticeNone = $this->page->GetStartNoticeNone();
     $maxNotice = $this->page->GetEndNoticeMinutes();
     $maxNoticeNone = $this->page->GetEndNoticeNone();
     $allowMultiDay = $this->page->GetAllowMultiday();
     $requiresApproval = $this->page->GetRequiresApproval();
     $autoAssign = $this->page->GetAutoAssign();
     $allowSubscription = $this->page->GetAllowSubscriptions();
     $attributes = $this->page->GetAttributes();
     $resourceIds = $this->page->GetBulkUpdateResourceIds();
     foreach ($resourceIds as $resourceId) {
         try {
             $resource = $this->resourceRepository->LoadById($resourceId);
             if ($this->ChangingDropDown($scheduleId)) {
                 $resource->SetScheduleId($scheduleId);
             }
             if ($this->ChangingDropDown($resourceTypeId)) {
                 $resource->SetResourceTypeId($resourceTypeId);
             }
             if ($this->ChangingValue($location)) {
                 $resource->SetLocation($location);
             }
             if ($this->ChangingValue($contact)) {
                 $resource->SetContact($contact);
             }
             if ($this->ChangingValue($description)) {
                 $resource->SetDescription($description);
             }
             if ($this->ChangingValue($notes)) {
                 $resource->SetNotes($notes);
             }
             if ($this->ChangingDropDown($adminGroupId)) {
                 $resource->SetAdminGroupId($adminGroupId);
             }
             if ($this->ChangingDropDown($statusId)) {
                 $resource->ChangeStatus($statusId, $reasonId);
             }
             if (!$minDurationNone) {
                 $resource->SetMinLength($minDuration);
             }
             if (!$maxDurationNone) {
                 $resource->SetMaxLength($maxDuration);
             }
             if (!$bufferTimeNone) {
                 $resource->SetBufferTime($bufferTime);
             }
             if (!$minNoticeNone) {
                 $resource->SetMinNotice($minNotice);
             }
             if (!$maxNoticeNone) {
                 $resource->SetMaxNotice($maxNotice);
             }
             if ($this->ChangingDropDown($allowMultiDay)) {
                 $resource->SetAllowMultiday($allowMultiDay);
             }
             if ($this->ChangingDropDown($requiresApproval)) {
                 $resource->SetRequiresApproval($requiresApproval);
             }
             if ($this->ChangingDropDown($autoAssign)) {
                 $resource->SetAutoAssign($autoAssign);
             }
             if ($this->ChangingDropDown($allowSubscription)) {
                 if ($allowSubscription) {
                     $resource->EnableSubscription();
                 } else {
                     $resource->DisableSubscription();
                 }
             }
             /** @var AttributeValue $attribute */
             foreach ($this->GetAttributeValues() as $attribute) {
                 if (!empty($attribute->Value)) {
                     $resource->ChangeAttribute($attribute);
                 }
             }
             $this->resourceRepository->Update($resource);
         } catch (Exception $ex) {
             Log::Error('Error bulk updating resource. Id=%s. Error=%s', $resourceId, $ex);
         }
     }
 }