BookmarkedModule::getData PHP Method

    public function getData()
    {
        if (Gdn::session()->isValid()) {
            $BookmarkIDs = Gdn::sql()->select('DiscussionID')->from('UserDiscussion')->where('UserID', Gdn::session()->UserID)->where('Bookmarked', 1)->get()->resultArray();
            $BookmarkIDs = array_column($BookmarkIDs, 'DiscussionID');
            if (count($BookmarkIDs)) {
                $DiscussionModel = new DiscussionModel();
                DiscussionModel::CategoryPermissions();
                $DiscussionModel->SQL->whereIn('d.DiscussionID', $BookmarkIDs);
                $Bookmarks = $DiscussionModel->get(0, $this->Limit, array('w.Bookmarked' => '1'));
                $this->setData('Bookmarks', $Bookmarks);
            } else {
                $this->setData('Bookmarks', new Gdn_DataSet());
            }
        }
    }

 /**
  * Allows user to bookmark or unbookmark a discussion.
  *
  * If the discussion isn't bookmarked by the user, this bookmarks it.
  * If it is already bookmarked, this unbookmarks it.
  *
  * @since 2.0.0
  * @access public
  *
  * @param int $DiscussionID Unique discussion ID.
  */
 public function bookmark($DiscussionID = null)
 {
     // Make sure we are posting back.
     if (!$this->Request->isAuthenticatedPostBack()) {
         throw permissionException('Javascript');
     }
     $Session = Gdn::session();
     if (!$Session->UserID) {
         throw permissionException('SignedIn');
     }
     // Check the form to see if the data was posted.
     $Form = new Gdn_Form();
     $DiscussionID = $Form->getFormValue('DiscussionID', $DiscussionID);
     $Bookmark = $Form->getFormValue('Bookmark', null);
     $UserID = $Form->getFormValue('UserID', $Session->UserID);
     // Check the permission on the user.
     if ($UserID != $Session->UserID) {
         $this->permission('Garden.Moderation.Manage');
     }
     $Discussion = $this->DiscussionModel->getID($DiscussionID);
     if (!$Discussion) {
         throw notFoundException('Discussion');
     }
     $Bookmark = $this->DiscussionModel->bookmark($DiscussionID, $UserID, $Bookmark);
     // Set the new value for api calls and json targets.
     $this->setData(array('UserID' => $UserID, 'DiscussionID' => $DiscussionID, 'Bookmarked' => (bool) $Bookmark));
     setValue('Bookmarked', $Discussion, (int) $Bookmark);
     // Update the user's bookmark count
     $CountBookmarks = $this->DiscussionModel->setUserBookmarkCount($UserID);
     $this->jsonTarget('.User-CountBookmarks', (string) $CountBookmarks);
     //  Short circuit if this is an api call.
     if ($this->deliveryType() === DELIVERY_TYPE_DATA) {
         $this->render('Blank', 'Utility', 'Dashboard');
         return;
     }
     // Return the appropriate bookmark.
     require_once $this->fetchViewLocation('helper_functions', 'Discussions');
     $Html = bookmarkButton($Discussion);
     //      $this->jsonTarget(".Section-DiscussionList #Discussion_$DiscussionID .Bookmark,.Section-Discussion .PageTitle .Bookmark", $Html, 'ReplaceWith');
     $this->jsonTarget("!element", $Html, 'ReplaceWith');
     // Add the bookmark to the bookmarks module.
     if ($Bookmark) {
         // Grab the individual bookmark and send it to the client.
         $Bookmarks = new BookmarkedModule($this);
         if ($CountBookmarks == 1) {
             // When there is only one bookmark we have to get the whole module.
             $Target = '#Panel';
             $Type = 'Append';
             $Bookmarks->getData();
             $Data = $Bookmarks->toString();
         } else {
             $Target = '#Bookmark_List';
             $Type = 'Prepend';
             $Loc = $Bookmarks->fetchViewLocation('discussion');
             ob_start();
             include $Loc;
             $Data = ob_get_clean();
         }
         $this->jsonTarget($Target, $Data, $Type);
     } else {
         // Send command to remove bookmark html.
         if ($CountBookmarks == 0) {
             $this->jsonTarget('#Bookmarks', null, 'Remove');
         } else {
             $this->jsonTarget('#Bookmark_' . $DiscussionID, null, 'Remove');
         }
     }
     $this->render('Blank', 'Utility', 'Dashboard');
 }