PHP CategoryModel::SetCache方法代码示例

 public function incrementNewDiscussion($Discussion)
 {
     if (is_numeric($Discussion)) {
         $Discussion = $this->getID($Discussion);
     }
     if (!$Discussion) {
         return;
     }
     $this->SQL->update('Category')->set('CountDiscussions', 'CountDiscussions + 1', false)->set('LastDiscussionID', val('DiscussionID', $Discussion))->set('LastCommentID', null)->set('LastDateInserted', val('DateInserted', $Discussion))->where('CategoryID', val('CategoryID', $Discussion))->put();
     $Category = CategoryModel::categories(val('CategoryID', $Discussion));
     if ($Category) {
         CategoryModel::SetCache($Category['CategoryID'], array('CountDiscussions' => $Category['CountDiscussions'] + 1, 'LastDiscussionID' => val('DiscussionID', $Discussion), 'LastCommentID' => null, 'LastDateInserted' => val('DateInserted', $Discussion), 'LastTitle' => Gdn_Format::text(val('Name', $Discussion, t('No Title'))), 'LastUserID' => val('InsertUserID', $Discussion), 'LastDiscussionUserID' => val('InsertUserID', $Discussion), 'LastUrl' => DiscussionUrl($Discussion, false, '//') . '#latest'));
     }
 }

 /**
  * Insert or update meta data about the comment.
  *
  * Updates unread comment totals, bookmarks, and activity. Sends notifications.
  *
  * @since 2.0.0
  * @access public
  *
  * @param array $CommentID Unique ID for this comment.
  * @param int $Insert Used as a boolean for whether this is a new comment.
  * @param bool $CheckExisting Not used.
  * @param bool $IncUser Whether or not to just increment the user's comment count rather than recalculate it.
  */
 public function save2($CommentID, $Insert, $CheckExisting = true, $IncUser = false)
 {
     $Session = Gdn::session();
     $UserModel = Gdn::userModel();
     // Load comment data
     $Fields = $this->getID($CommentID, DATASET_TYPE_ARRAY);
     // Clear any session stashes related to this discussion
     $DiscussionModel = new DiscussionModel();
     $DiscussionID = val('DiscussionID', $Fields);
     $Discussion = $DiscussionModel->getID($DiscussionID);
     $Session->Stash('CommentForForeignID_' . GetValue('ForeignID', $Discussion));
     // Make a quick check so that only the user making the comment can make the notification.
     // This check may be used in the future so should not be depended on later in the method.
     if (Gdn::controller()->deliveryType() === DELIVERY_TYPE_ALL && $Fields['InsertUserID'] != $Session->UserID) {
         return;
     }
     // Update the discussion author's CountUnreadDiscussions (ie.
     // the number of discussions created by the user that s/he has
     // unread messages in) if this comment was not added by the
     // discussion author.
     $this->UpdateUser($Fields['InsertUserID'], $IncUser && $Insert);
     // Mark the user as participated.
     $this->SQL->replace('UserDiscussion', array('Participated' => 1), array('DiscussionID' => $DiscussionID, 'UserID' => val('InsertUserID', $Fields)));
     if ($Insert) {
         // UPDATE COUNT AND LAST COMMENT ON CATEGORY TABLE
         if ($Discussion->CategoryID > 0) {
             $Category = CategoryModel::categories($Discussion->CategoryID);
             if ($Category) {
                 $CountComments = val('CountComments', $Category, 0) + 1;
                 if ($CountComments < self::COMMENT_THRESHOLD_SMALL || $CountComments < self::COMMENT_THRESHOLD_LARGE && $CountComments % self::COUNT_RECALC_MOD == 0) {
                     $CountComments = $this->SQL->select('CountComments', 'sum', 'CountComments')->from('Discussion')->where('CategoryID', $Discussion->CategoryID)->get()->firstRow()->CountComments;
                 }
             }
             $CategoryModel = new CategoryModel();
             $CategoryModel->setField($Discussion->CategoryID, array('LastDiscussionID' => $DiscussionID, 'LastCommentID' => $CommentID, 'CountComments' => $CountComments, 'LastDateInserted' => $Fields['DateInserted']));
             // Update the cache.
             $CategoryCache = array('LastTitle' => $Discussion->Name, 'LastUserID' => $Fields['InsertUserID'], 'LastUrl' => DiscussionUrl($Discussion) . '#latest');
             CategoryModel::SetCache($Discussion->CategoryID, $CategoryCache);
         }
         // Prepare the notification queue.
         $ActivityModel = new ActivityModel();
         $HeadlineFormat = t('HeadlineFormat.Comment', '{ActivityUserID,user} commented on <a href="{Url,html}">{Data.Name,text}</a>');
         $Category = CategoryModel::categories($Discussion->CategoryID);
         $Activity = array('ActivityType' => 'Comment', 'ActivityUserID' => $Fields['InsertUserID'], 'HeadlineFormat' => $HeadlineFormat, 'RecordType' => 'Comment', 'RecordID' => $CommentID, 'Route' => "/discussion/comment/{$CommentID}#Comment_{$CommentID}", 'Data' => array('Name' => $Discussion->Name, 'Category' => val('Name', $Category)));
         // Allow simple fulltext notifications
         if (c('Vanilla.Activity.ShowCommentBody', false)) {
             $Activity['Story'] = val('Body', $Fields);
             $Activity['Format'] = val('Format', $Fields);
         }
         // Pass generic activity to events.
         $this->EventArguments['Activity'] = $Activity;
         // Notify users who have bookmarked the discussion.
         $BookmarkData = $DiscussionModel->GetBookmarkUsers($DiscussionID);
         foreach ($BookmarkData->result() as $Bookmark) {
             // Check user can still see the discussion.
             if (!$UserModel->GetCategoryViewPermission($Bookmark->UserID, $Discussion->CategoryID)) {
                 continue;
             }
             $Activity['NotifyUserID'] = $Bookmark->UserID;
             $Activity['Data']['Reason'] = 'bookmark';
             $ActivityModel->Queue($Activity, 'BookmarkComment', array('CheckRecord' => true));
         }
         // Notify users who have participated in the discussion.
         $ParticipatedData = $DiscussionModel->GetParticipatedUsers($DiscussionID);
         foreach ($ParticipatedData->result() as $UserRow) {
             if (!$UserModel->GetCategoryViewPermission($UserRow->UserID, $Discussion->CategoryID)) {
                 continue;
             }
             $Activity['NotifyUserID'] = $UserRow->UserID;
             $Activity['Data']['Reason'] = 'participated';
             $ActivityModel->Queue($Activity, 'ParticipateComment', array('CheckRecord' => true));
         }
         // Record user-comment activity.
         if ($Discussion != false) {
             $InsertUserID = val('InsertUserID', $Discussion);
             // Check user can still see the discussion.
             if ($UserModel->GetCategoryViewPermission($InsertUserID, $Discussion->CategoryID)) {
                 $Activity['NotifyUserID'] = $InsertUserID;
                 $Activity['Data']['Reason'] = 'mine';
                 $ActivityModel->Queue($Activity, 'DiscussionComment');
             }
         }
         // Record advanced notifications.
         if ($Discussion !== false) {
             $Activity['Data']['Reason'] = 'advanced';
             $this->RecordAdvancedNotications($ActivityModel, $Activity, $Discussion);
         }
//.........这里部分代码省略.........

 /**
  * Insert or update meta data about the comment.
  * 
  * Updates unread comment totals, bookmarks, and activity. Sends notifications.
  * 
  * @since 2.0.0
  * @access public
  *
  * @param array $CommentID Unique ID for this comment.
  * @param int $Insert Used as a boolean for whether this is a new comment.
  * @param bool $CheckExisting Not used.
  * @param bool $IncUser Whether or not to just increment the user's comment count rather than recalculate it.
  */
 public function Save2($CommentID, $Insert, $CheckExisting = TRUE, $IncUser = FALSE)
 {
     $Session = Gdn::Session();
     // Load comment data
     $Fields = $this->GetID($CommentID, DATASET_TYPE_ARRAY);
     // Clear any session stashes related to this discussion
     $Session->Stash('CommentForDiscussionID_' . GetValue('DiscussionID', $Fields));
     // Make a quick check so that only the user making the comment can make the notification.
     // This check may be used in the future so should not be depended on later in the method.
     if ($Fields['InsertUserID'] != $Session->UserID) {
         return;
     }
     // Update the discussion author's CountUnreadDiscussions (ie.
     // the number of discussions created by the user that s/he has
     // unread messages in) if this comment was not added by the
     // discussion author.
     //      $Data = $this->SQL
     //         ->Select('d.InsertUserID')
     //         ->Select('d.DiscussionID', 'count', 'CountDiscussions')
     //         ->From('Discussion d')
     //         ->Join('Comment c', 'd.DiscussionID = c.DiscussionID')
     //         ->Join('UserDiscussion w', 'd.DiscussionID = w.DiscussionID and w.UserID = d.InsertUserID')
     //         ->Where('w.CountComments >', 0)
     //         ->Where('c.InsertUserID', $Session->UserID)
     //         ->Where('c.InsertUserID <>', 'd.InsertUserID', TRUE, FALSE)
     //         ->GroupBy('d.InsertUserID')
     //         ->Get();
     //
     //      if ($Data->NumRows() > 0) {
     //         $UserData = $Data->FirstRow();
     //         $this->SQL
     //            ->Update('User')
     //            ->Set('CountUnreadDiscussions', $UserData->CountDiscussions)
     //            ->Where('UserID', $UserData->InsertUserID)
     //            ->Put();
     //      }
     $this->UpdateUser($Session->UserID, $IncUser && $Insert);
     if ($Insert) {
         $DiscussionModel = new DiscussionModel();
         $DiscussionID = GetValue('DiscussionID', $Fields);
         $Discussion = $DiscussionModel->GetID($DiscussionID);
         // UPDATE COUNT AND LAST COMMENT ON CATEGORY TABLE
         if ($Discussion->CategoryID > 0) {
             $CountComments = $this->SQL->Select('CountComments', 'sum', 'CountComments')->From('Discussion')->Where('CategoryID', $Discussion->CategoryID)->Get()->FirstRow()->CountComments;
             $CategoryModel = new CategoryModel();
             $CategoryModel->SetField($Discussion->CategoryID, array('LastDiscussionID' => $Discussion->DiscussionID, 'LastCommentID' => $Discussion->LastCommentID, 'CountComments' => $CountComments));
             // Update the cache.
             if ($DiscussionID && Gdn::Cache()->ActiveEnabled()) {
                 $CategoryCache = array('LastDiscussionID' => $DiscussionID, 'LastCommentID' => $CommentID, 'LastTitle' => $Discussion->Name, 'LastUserID' => $Fields['InsertUserID'], 'LastDateInserted' => $Fields['DateInserted'], 'LastUrl' => "/discussion/comment/{$CommentID}#Comment_{$CommentID}");
                 CategoryModel::SetCache($Discussion->CategoryID, $CategoryCache);
             }
         }
         // Prepare the notification queue.
         $ActivityModel = new ActivityModel();
         $ActivityModel->ClearNotificationQueue();
         // Notify any users who were mentioned in the comment.
         $Usernames = GetMentions($Fields['Body']);
         $UserModel = Gdn::UserModel();
         $Story = '[' . $Discussion->Name . "]\n" . ArrayValue('Body', $Fields, '');
         $NotifiedUsers = array();
         foreach ($Usernames as $Username) {
             $User = $UserModel->GetByUsername($Username);
             // Check user can still see the discussion.
             $UserMayView = $UserModel->GetCategoryViewPermission($User->UserID, $Discussion->CategoryID);
             if ($User && $User->UserID != $Session->UserID && $UserMayView) {
                 $NotifiedUsers[] = $User->UserID;
                 $ActivityID = $ActivityModel->Add($Session->UserID, 'CommentMention', Anchor(Gdn_Format::Text($Discussion->Name), 'discussion/comment/' . $CommentID . '/#Comment_' . $CommentID), $User->UserID, '', 'discussion/comment/' . $CommentID . '/#Comment_' . $CommentID, FALSE);
                 $ActivityModel->QueueNotification($ActivityID, $Story);
             }
         }
         // Notify users who have bookmarked the discussion.
         $BookmarkData = $DiscussionModel->GetBookmarkUsers($DiscussionID);
         foreach ($BookmarkData->Result() as $Bookmark) {
             if (in_array($Bookmark->UserID, $NotifiedUsers) || $Bookmark->UserID == $Session->UserID) {
                 continue;
             }
             // Check user can still see the discussion.
             $UserMayView = $UserModel->GetCategoryViewPermission($Bookmark->UserID, $Discussion->CategoryID);
             if ($UserMayView) {
                 $NotifiedUsers[] = $Bookmark->UserID;
                 //               $ActivityModel = new ActivityModel();
                 $ActivityID = $ActivityModel->Add($Session->UserID, 'BookmarkComment', Anchor(Gdn_Format::Text($Discussion->Name), 'discussion/comment/' . $CommentID . '/#Comment_' . $CommentID), $Bookmark->UserID, '', 'discussion/comment/' . $CommentID . '/#Comment_' . $CommentID, FALSE);
                 $ActivityModel->QueueNotification($ActivityID, $Story);
             }
         }
         // Record user-comment activity.
         if ($Discussion !== FALSE && !in_array($Session->UserID, $NotifiedUsers)) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                 }
                 self::SerializeRow($Fields);
                 $this->SQL->Put($this->Name, $Fields, array($this->PrimaryKey => $DiscussionID));
                 SetValue('DiscussionID', $Fields, $DiscussionID);
                 LogModel::LogChange('Edit', 'Discussion', (array) $Fields, $Stored);
                 if (GetValue('CategoryID', $Stored) != GetValue('CategoryID', $Fields)) {
                     $StoredCategoryID = GetValue('CategoryID', $Stored);
                 }
             } else {
                 // Inserting.
                 if (!GetValue('Format', $Fields) || C('Garden.ForceInputFormatter')) {
                     $Fields['Format'] = C('Garden.InputFormatter', '');
                 }
                 if (C('Vanilla.QueueNotifications')) {
                     $Fields['Notified'] = ActivityModel::SENT_PENDING;
                 }
                 // Check for spam.
                 $Spam = SpamModel::IsSpam('Discussion', $Fields);
                 if ($Spam) {
                     return SPAM;
                 }
                 // Check for approval
                 $ApprovalRequired = CheckRestriction('Vanilla.Approval.Require');
                 if ($ApprovalRequired && !GetValue('Verified', Gdn::Session()->User)) {
                     LogModel::Insert('Pending', 'Discussion', $Fields);
                     return UNAPPROVED;
                 }
                 // Create discussion
                 $DiscussionID = $this->SQL->Insert($this->Name, $Fields);
                 $Fields['DiscussionID'] = $DiscussionID;
                 // Update the cache.
                 if ($DiscussionID && Gdn::Cache()->ActiveEnabled()) {
                     $CategoryCache = array('LastDiscussionID' => $DiscussionID, 'LastCommentID' => NULL, 'LastTitle' => Gdn_Format::Text($Fields['Name']), 'LastUserID' => $Fields['InsertUserID'], 'LastDateInserted' => $Fields['DateInserted'], 'LastUrl' => DiscussionUrl($Fields));
                     CategoryModel::SetCache($Fields['CategoryID'], $CategoryCache);
                     // Clear the cache if necessary.
                     if (GetValue('Announce', $Fields)) {
                         Gdn::Cache()->Remove('Announcements');
                     }
                 }
                 // Update the user's discussion count.
                 $this->UpdateUserDiscussionCount(Gdn::Session()->UserID);
                 // Assign the new DiscussionID to the comment before saving.
                 $FormPostValues['IsNewDiscussion'] = TRUE;
                 $FormPostValues['DiscussionID'] = $DiscussionID;
                 // Do data prep.
                 $DiscussionName = ArrayValue('Name', $Fields, '');
                 $Story = ArrayValue('Body', $Fields, '');
                 $NotifiedUsers = array();
                 $UserModel = Gdn::UserModel();
                 $ActivityModel = new ActivityModel();
                 if (GetValue('Type', $FormPostValues)) {
                     $Code = 'HeadlineFormat.Discussion.' . $FormPostValues['Type'];
                 } else {
                     $Code = 'HeadlineFormat.Discussion';
                 }
                 $HeadlineFormat = T($Code, '{ActivityUserID,user} started a new discussion: <a href="{Url,html}">{Data.Name,text}</a>');
                 $Category = CategoryModel::Categories(GetValue('CategoryID', $Fields));
                 $Activity = array('ActivityType' => 'Discussion', 'ActivityUserID' => $Fields['InsertUserID'], 'HeadlineFormat' => $HeadlineFormat, 'RecordType' => 'Discussion', 'RecordID' => $DiscussionID, 'Route' => DiscussionUrl($Fields), 'Data' => array('Name' => $DiscussionName, 'Category' => GetValue('Name', $Category)));
                 // Allow simple fulltext notifications
                 if (C('Vanilla.Activity.ShowDiscussionBody', FALSE)) {
                     $Activity['Story'] = $Story;
                 }
                 // Notify all of the users that were mentioned in the discussion.
                 $Usernames = array_merge(GetMentions($DiscussionName), GetMentions($Story));
                 $Usernames = array_unique($Usernames);
                 // Use our generic Activity for events, not mentions

 /**
  * Insert or update meta data about the comment.
  * 
  * Updates unread comment totals, bookmarks, and activity. Sends notifications.
  * 
  * @since 2.0.0
  * @access public
  *
  * @param array $CommentID Unique ID for this comment.
  * @param int $Insert Used as a boolean for whether this is a new comment.
  * @param bool $CheckExisting Not used.
  * @param bool $IncUser Whether or not to just increment the user's comment count rather than recalculate it.
  */
 public function Save2($CommentID, $Insert, $CheckExisting = TRUE, $IncUser = FALSE)
 {
     $Session = Gdn::Session();
     $UserModel = Gdn::UserModel();
     // Load comment data
     $Fields = $this->GetID($CommentID, DATASET_TYPE_ARRAY);
     // Clear any session stashes related to this discussion
     $DiscussionModel = new DiscussionModel();
     $DiscussionID = GetValue('DiscussionID', $Fields);
     $Discussion = $DiscussionModel->GetID($DiscussionID);
     $Session->Stash('CommentForForeignID_' . GetValue('ForeignID', $Discussion));
     // Make a quick check so that only the user making the comment can make the notification.
     // This check may be used in the future so should not be depended on later in the method.
     if ($Fields['InsertUserID'] != $Session->UserID) {
         return;
     }
     // Update the discussion author's CountUnreadDiscussions (ie.
     // the number of discussions created by the user that s/he has
     // unread messages in) if this comment was not added by the
     // discussion author.
     $this->UpdateUser($Session->UserID, $IncUser && $Insert);
     if ($Insert) {
         // UPDATE COUNT AND LAST COMMENT ON CATEGORY TABLE
         if ($Discussion->CategoryID > 0) {
             $CountComments = $this->SQL->Select('CountComments', 'sum', 'CountComments')->From('Discussion')->Where('CategoryID', $Discussion->CategoryID)->Get()->FirstRow()->CountComments;
             $CategoryModel = new CategoryModel();
             $CategoryModel->SetField($Discussion->CategoryID, array('LastDiscussionID' => $DiscussionID, 'LastCommentID' => $CommentID, 'CountComments' => $CountComments, 'LastDateInserted' => $Fields['DateInserted']));
             // Update the cache.
             if ($DiscussionID && Gdn::Cache()->ActiveEnabled()) {
                 $CategoryCache = array('LastTitle' => $Discussion->Name, 'LastUserID' => $Fields['InsertUserID'], 'LastUrl' => DiscussionUrl($Discussion) . '#latest');
                 CategoryModel::SetCache($Discussion->CategoryID, $CategoryCache);
             }
         }
         // Prepare the notification queue.
         $ActivityModel = new ActivityModel();
         $HeadlineFormat = T('HeadlineFormat.Comment', '{ActivityUserID,user} commented on <a href="{Url,html}">{Data.Name,text}</a>');
         $Category = CategoryModel::Categories($Discussion->CategoryID);
         $Activity = array('ActivityType' => 'Comment', 'ActivityUserID' => $Fields['InsertUserID'], 'HeadlineFormat' => $HeadlineFormat, 'RecordType' => 'Comment', 'RecordID' => $CommentID, 'Route' => "/discussion/comment/{$CommentID}#Comment_{$CommentID}", 'Data' => array('Name' => $Discussion->Name, 'Category' => GetValue('Name', $Category)));
         // Allow simple fulltext notifications
         if (C('Vanilla.Activity.ShowCommentBody', FALSE)) {
             $Activity['Story'] = GetValue('Body', $Fields);
         }
         // Notify users who have bookmarked the discussion.
         $BookmarkData = $DiscussionModel->GetBookmarkUsers($DiscussionID);
         foreach ($BookmarkData->Result() as $Bookmark) {
             // Check user can still see the discussion.
             if (!$UserModel->GetCategoryViewPermission($Bookmark->UserID, $Discussion->CategoryID)) {
                 continue;
             }
             $Activity['NotifyUserID'] = $Bookmark->UserID;
             $ActivityModel->Queue($Activity, 'BookmarkComment', array('CheckRecord' => TRUE));
         }
         // Record user-comment activity.
         if ($Discussion != FALSE) {
             $Activity['NotifyUserID'] = GetValue('InsertUserID', $Discussion);
             $ActivityModel->Queue($Activity, 'DiscussionComment');
         }
         // Record advanced notifications.
         if ($Discussion !== FALSE) {
             $this->RecordAdvancedNotications($ActivityModel, $Activity, $Discussion);
         }
         // Notify any users who were mentioned in the comment.
         $Usernames = GetMentions($Fields['Body']);
         $NotifiedUsers = array();
         foreach ($Usernames as $i => $Username) {
             $User = $UserModel->GetByUsername($Username);
             if (!$User) {
                 unset($Usernames[$i]);
                 continue;
             }
             // Check user can still see the discussion.
             if (!$UserModel->GetCategoryViewPermission($User->UserID, $Discussion->CategoryID)) {
                 continue;
             }
             $HeadlineFormatBak = $Activity['HeadlineFormat'];
             $Activity['HeadlineFormat'] = T('HeadlineFormat.Mention', '{ActivityUserID,user} mentioned you in <a href="{Url,html}">{Data.Name,text}</a>');
             $Activity['NotifyUserID'] = $User->UserID;
             $ActivityModel->Queue($Activity, 'Mention');
             $Activity['HeadlineFormat'] = $HeadlineFormatBak;
         }
         // Throw an event for users to add their own events.
         $this->EventArguments['Comment'] = $Fields;
         $this->EventArguments['Discussion'] = $Discussion;
         $this->EventArguments['NotifiedUsers'] = array_keys(ActivityModel::$Queue);
         $this->EventArguments['MentionedUsers'] = $Usernames;
         $this->EventArguments['ActivityModel'] = $ActivityModel;
         $this->FireEvent('BeforeNotification');
//.........这里部分代码省略.........

 public function IncrementNewDiscussion($Discussion)
 {
     if (is_numeric($Discussion)) {
         $Discussion = $this->GetID($Discussion);
     }
     if (!$Discussion) {
         return;
     }
     $this->SQL->Update('Category')->Set('CountDiscussions', 'CountDiscussions + 1', FALSE)->Set('LastDiscussionID', GetValue('DiscussionID', $Discussion))->Set('LastCommentID', NULL)->Set('LastDateInserted', GetValue('DateInserted', $Discussion))->Where('CategoryID', GetValue('CategoryID', $Discussion))->Put();
     $Category = CategoryModel::Categories(GetValue('CategoryID', $Discussion));
     if ($Category) {
         CategoryModel::SetCache($Category['CategoryID'], array('CountDiscussions' => $Category['CountDiscussions'] + 1, 'LastDiscussionID' => GetValue('DiscussionID', $Discussion), 'LastCommentID' => NULL, 'LastDateInserted' => GetValue('DateInserted', $Discussion), 'LastTitle' => Gdn_Format::Text(GetValue('Name', $Discussion, T('No Title'))), 'LastUserID' => GetValue('InsertUserID', $Discussion), 'LastDiscussionUserID' => GetValue('InsertUserID', $Discussion), 'LastUrl' => DiscussionUrl($Discussion, FALSE, '//') . '#latest'));
     }
 }

//.........这里部分代码省略.........
             $Fields = $this->Validation->SchemaValidationFields();
             // Get DiscussionID if one was sent
             $DiscussionID = intval(ArrayValue('DiscussionID', $Fields, 0));
             // Remove the primary key from the fields for saving
             $Fields = RemoveKeyFromArray($Fields, 'DiscussionID');
             $Discussion = FALSE;
             $StoredCategoryID = FALSE;
             if ($DiscussionID > 0) {
                 // Updating
                 $Stored = $this->GetID($DiscussionID);
                 // Clear the cache if necessary.
                 if (GetValue('Announce', $Stored) != GetValue('Announce', $Fields)) {
                     $CacheKeys = array('Announcements', 'Announcements_' . GetValue('CategoryID', $Fields));
                     $Announce = GetValue('Announce', $Discussion);
                     $this->SQL->Cache($CacheKeys);
                 }
                 $this->SQL->Put($this->Name, $Fields, array($this->PrimaryKey => $DiscussionID));
                 $Fields['DiscussionID'] = $DiscussionID;
                 LogModel::LogChange('Edit', 'Discussion', (array) $Fields, (array) $Stored);
                 if ($Stored->CategoryID != $Fields['CategoryID']) {
                     $StoredCategoryID = $Stored->CategoryID;
                 }
             } else {
                 // Inserting.
                 if (!GetValue('Format', $Fields)) {
                     $Fields['Format'] = C('Garden.InputFormatter', '');
                 }
                 // Check for spam.
                 $Spam = SpamModel::IsSpam('Discussion', $Fields);
                 // Clear the cache if necessary.
                 if (GetValue('Announce', $Fields)) {
                     $CacheKeys = array('Announcements', 'Announcements_' . GetValue('CategoryID', $Fields));
                     $Announce = GetValue('Announce', $Discussion);
                     $this->SQL->Cache($CacheKeys);
                 }
                 if (!$Spam) {
                     $DiscussionID = $this->SQL->Insert($this->Name, $Fields);
                     // Update the cache.
                     if ($DiscussionID && Gdn::Cache()->ActiveEnabled()) {
                         $CategoryCache = array('LastDiscussionID' => $DiscussionID, 'LastCommentID' => NULL, 'LastTitle' => Gdn_Format::Text($Fields['Name']), 'LastUserID' => $Fields['InsertUserID'], 'LastDateInserted' => $Fields['DateInserted'], 'LastUrl' => '/discussion/' . $DiscussionID . '/' . Gdn_Format::Url($Fields['Name']));
                         CategoryModel::SetCache($Fields['CategoryID'], $CategoryCache);
                     }
                 } else {
                     return SPAM;
                 }
                 // Assign the new DiscussionID to the comment before saving.
                 $FormPostValues['IsNewDiscussion'] = TRUE;
                 $FormPostValues['DiscussionID'] = $DiscussionID;
                 // Notify users of mentions.
                 $DiscussionName = ArrayValue('Name', $Fields, '');
                 $Story = ArrayValue('Body', $Fields, '');
                 $Usernames = array_merge(GetMentions($DiscussionName), GetMentions($Story));
                 $Usernames = array_unique($Usernames);
                 $NotifiedUsers = array();
                 $UserModel = Gdn::UserModel();
                 $ActivityModel = new ActivityModel();
                 foreach ($Usernames as $Username) {
                     $User = $UserModel->GetByUsername($Username);
                     if ($User && $User->UserID != $Session->UserID && !in_array($User->UserID, $NotifiedUsers)) {
                         $ActivityID = $ActivityModel->Add($Session->UserID, 'DiscussionMention', Anchor(Gdn_Format::Text($DiscussionName), '/discussion/' . $DiscussionID . '/' . Gdn_Format::Url($DiscussionName), FALSE), $User->UserID, '', '/discussion/' . $DiscussionID . '/' . Gdn_Format::Url($DiscussionName), 'QueueOnly');
                         if ($ActivityID) {
                             $NotifiedUsers[] = $User->UserID;
                         }
                     }
                 }
                 try {
                     $Fields['DiscussionID'] = $DiscussionID;
                     $this->NotifyNewDiscussion($Fields, $NotifiedUsers, $ActivityModel);
                 } catch (Exception $Ex) {
                     throw $Ex;
                 }
                 // Throw an event for users to add their own events.
                 $this->EventArguments['Discussion'] = $Fields;
                 $this->EventArguments['NotifiedUsers'] = $NotifiedUsers;
                 $this->EventArguments['ActivityModel'] = $ActivityModel;
                 $this->FireEvent('BeforeNotification');
                 // Send all notifications.
                 $ActivityModel->SendNotificationQueue();
                 $this->RecordActivity($Session->UserID, $DiscussionID, $DiscussionName);
             }
             // Get CategoryID of this discussion
             $Data = $this->SQL->Select('CategoryID')->From('Discussion')->Where('DiscussionID', $DiscussionID)->Get();
             $CategoryID = FALSE;
             if ($Data->NumRows() > 0) {
                 $CategoryID = $Data->FirstRow()->CategoryID;
             }
             // Update discussion counter for affected categories
             $this->UpdateDiscussionCount($CategoryID, $Insert ? $DiscussionID : FALSE);
             if ($StoredCategoryID) {
                 $this->UpdateDiscussionCount($StoredCategoryID);
             }
             // Fire an event that the discussion was saved.
             $this->EventArguments['FormPostValues'] = $FormPostValues;
             $this->EventArguments['Fields'] = $Fields;
             $this->EventArguments['DiscussionID'] = $DiscussionID;
             $this->FireEvent('AfterSaveDiscussion');
         }
     }
     return $DiscussionID;
 }