public function Post($Notify = FALSE, $UserID = FALSE)
 {
     if (is_numeric($Notify)) {
         $UserID = $Notify;
         $Notify = FALSE;
     }
     if (!$UserID) {
         $UserID = Gdn::Session()->UserID;
     }
     switch ($Notify) {
         case 'mods':
             $this->Permission('Garden.Moderation.Manage');
             $NotifyUserID = ActivityModel::NOTIFY_MODS;
             break;
         case 'admins':
             $this->Permission('Garden.Settings.Manage');
             $NotifyUserID = ActivityModel::NOTIFY_ADMINS;
             break;
         default:
             $this->Permission('Garden.Profiles.Edit');
             $NotifyUserID = ActivityModel::NOTIFY_PUBLIC;
             break;
     }
     $Activities = array();
     if ($this->Form->IsPostBack()) {
         $Data = $this->Form->FormValues();
         $Data = $this->ActivityModel->FilterForm($Data);
         if (!isset($Data['Format']) || strcasecmp($Data['Format'], 'Raw') == 0) {
             $Data['Format'] = C('Garden.InputFormatter');
         }
         if ($UserID != Gdn::Session()->UserID) {
             // This is a wall post.
             $Activity = array('ActivityType' => 'WallPost', 'ActivityUserID' => $UserID, 'RegardingUserID' => Gdn::Session()->UserID, 'HeadlineFormat' => T('HeadlineFormat.WallPost', '{RegardingUserID,you} → {ActivityUserID,you}'), 'Story' => $Data['Comment'], 'Format' => $Data['Format']);
         } else {
             // This is a status update.
             $Activity = array('ActivityType' => 'Status', 'HeadlineFormat' => T('HeadlineFormat.Status', '{ActivityUserID,user}'), 'Story' => $Data['Comment'], 'Format' => $Data['Format'], 'NotifyUserID' => $NotifyUserID);
             $this->SetJson('StatusMessage', Gdn_Format::PlainText($Activity['Story'], $Activity['Format']));
         }
         $Activity = $this->ActivityModel->Save($Activity, FALSE, array('CheckSpam' => TRUE));
         if ($Activity == SPAM || $Activity == UNAPPROVED) {
             $this->StatusMessage = T('ActivityRequiresApproval', 'Your post will appear after it is approved.');
             $this->Render('Blank', 'Utility');
             return;
         }
         if ($Activity) {
             if ($UserID == Gdn::Session()->UserID && $NotifyUserID == ActivityModel::NOTIFY_PUBLIC) {
                 Gdn::UserModel()->SetField(Gdn::Session()->UserID, 'About', Gdn_Format::PlainText($Activity['Story'], $Activity['Format']));
             }
             $Activities = array($Activity);
             ActivityModel::JoinUsers($Activities);
             $this->ActivityModel->CalculateData($Activities);
         } else {
             $this->Form->SetValidationResults($this->ActivityModel->ValidationResults());
             $this->StatusMessage = $this->ActivityModel->Validation->ResultsText();
             //            $this->Render('Blank', 'Utility');
         }
     }
     if ($this->DeliveryType() == DELIVERY_TYPE_ALL) {
         Redirect($this->Request->Get('Target', '/activity'));
     }
     $this->SetData('Activities', $Activities);
     $this->Render('Activities');
 }