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Wikia code/includes/Article.php

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--- D:\Programming\SVN\mediawiki\branches\REL1_16\phase3\includes\Article.php	2011-07-18 22:31:28.003906300 +0100
+++ D:\Programming\SVN\wikia\trunk\includes\Article.php	2011-08-17 15:28:46.365234400 +0100
@@ -642,7 +642,20 @@
 		$id = $this->getID();
 		if ( 0 == $id ) return;
 
+		// wikia change start, cache last revision of article, where we have expiration?
+		if( !empty( $this->mLatest ) ) {
+			global $wgMemc;
+			$key = wfMemcKey( 'art', $this->mLatest );
+			$this->mLastRevision = $wgMemc->get( $key );
+		}
+		if( empty( $this->mLastRevision ) ) {
 		$this->mLastRevision = Revision::loadFromPageId( wfGetDB( DB_MASTER ), $id );
+			if( !empty( $key ) ) {
+				$wgMemc->set( $key, $this->mLastRevision, 60*60*24 );
+			}
+		}
+
+		// wikia change end
 		if ( !is_null( $this->mLastRevision ) ) {
 			$this->mUser      = $this->mLastRevision->getUser();
 			$this->mUserText  = $this->mLastRevision->getUserText();
@@ -833,7 +846,9 @@
 
 				case 3:
 					$text = $this->getContent();
-					if ( $text === false || $this->getID() == 0 ) {
+					$fakeReturn404 = false;
+					if ( ($text === false || $this->getID() == 0)
+							&& wfRunHooks( 'ArticleNonExistentPage', array( $this, $wgOut, &$text, &$fakeReturn404 ) ) ) {
 						wfDebug( __METHOD__ . ": showing missing article\n" );
 						$this->showMissingArticle();
 						wfProfileOut( __METHOD__ );
@@ -1110,10 +1125,17 @@
 			// This is an internally redirected page view.
 			// We'll need a backlink to the source page for navigation.
 			if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
+				// wikia change
+				global $wgWikiaUseNoFollow;
+				$redirAttribs = array();
+				if( !empty( $wgWikiaUseNoFollow ) ) {
+					$redirAttribs['rel'] = 'nofollow';
+				}
+
 				$redir = $sk->link(
 					$this->mRedirectedFrom,
 					null,
-					array(),
+					$redirAttribs,
 					array( 'redirect' => 'no' ),
 					array( 'known', 'noclasses' )
 				);
@@ -1126,10 +1149,19 @@
 					$wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
 				}
 
+				/*
+				 * Commented out by christian@wikia-inc.com
+				 * /extensions/wikia/CanonicalHref is used by Wikia to handle redirects and all of these cases:
+				 * http://muppet.wikia.com/wiki/Kermit_the_Frog
+				 * http://muppet.wikia.com/index.php/Kermit_the_Frog
+				 * http://muppet.wikia.com/index.php?title=Kermit_the_Frog
+				 * http://muppet.wikia.com/wiki/Kermit_the_Frog?action=view
+				 *
 				// Add a <link rel="canonical"> tag
 				$wgOut->addLink( array( 'rel' => 'canonical',
 					'href' => $this->mTitle->getLocalURL() )
 				);
+				*/
 				return true;
 			}
 		} elseif ( $rdfrom ) {
@@ -1345,7 +1377,13 @@
 		# Don't show section-edit links on old revisions... this way lies madness.
 		$parserOptions->setEditSection( $this->isCurrent() );
 		$useParserCache = $this->useParserCache( $oldid );
-		$this->outputWikiText( $this->getContent(), $useParserCache, $parserOptions );
+		/* Wikia change begin - @author: wladek */
+		$content = $this->getContent();
+		if ($this->getID() == 0) {
+			wfRunHooks('Article::view:not-existing', array( $this, &$content ) );
+		}
+		$this->outputWikiText( $content, $useParserCache, $parserOptions );
+		/* Wikia change end */
 	}
 
 	/**
@@ -1408,6 +1446,12 @@
 		$imageUrl2 = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
 		$alt2 = $wgContLang->isRTL() ? '&larr;' : '&rarr;'; // should -> and <- be used instead of entities?
 
+		// Wikia change - overwrite imageUrl with $wgRedirectIconUrl
+		global $wgRedirectIconUrl;
+		if( !empty( $wgRedirectIconUrl ) ) {
+			$imageUrl = $wgRedirectIconUrl;
+		}
+
 		if ( $appendSubtitle ) {
 			$wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) );
 		}
@@ -1441,9 +1485,10 @@
 					. $sk->link( $rt, htmlspecialchars( $rt->getFullText() ) );
 			}
 		}
-		return '<img src="' . $imageUrl . '" alt="#REDIRECT " />' .
-			'<span class="redirectText">' . $link . '</span>';
-
+		return '<div class="redirectMsg">' .
+			'<img src="' . $imageUrl . '" alt="#REDIRECT " />' .
+			'<span class="redirectText">' . $link . '</span>' .
+			'</div>';
 	}
 
 	public function addTrackbacks() {
@@ -2190,6 +2235,7 @@
 	 */
 	public function watch() {
 		global $wgUser, $wgOut;
+		global $wgEnableWikiaFollowedPages;
 		if ( $wgUser->isAnon() ) {
 			$wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
 			return;
@@ -2199,6 +2245,9 @@
 			return;
 		}
 		if ( $this->doWatch() ) {
+			if ( $wgEnableWikiaFollowedPages ) {
+				$wgOut->redirect( $this->mTitle->getFullUrl( "action=view" ) );
+			}
 			$wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
 			$wgOut->setRobotPolicy( 'noindex,nofollow' );
 			$wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle->getPrefixedText() );
@@ -2227,6 +2276,8 @@
 	 */
 	public function unwatch() {
 		global $wgUser, $wgOut;
+		global $wgEnableWikiaFollowedPages;
+
 		if ( $wgUser->isAnon() ) {
 			$wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
 			return;
@@ -2236,6 +2287,9 @@
 			return;
 		}
 		if ( $this->doUnwatch() ) {
+			if ( $wgEnableWikiaFollowedPages ) {
+				$wgOut->redirect( $this->mTitle->getFullUrl( "action=view" ) );
+			}
 			$wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
 			$wgOut->setRobotPolicy( 'noindex,nofollow' );
 			$wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle->getPrefixedText() );
@@ -2411,6 +2465,8 @@
 
 				# Insert a null revision
 				$nullRevision = Revision::newNullRevision( $dbw, $id, $editComment, true );
+				
+				if( $nullRevision instanceof Revision ) {
 				$nullRevId = $nullRevision->insertOn( $dbw );
 
 				$latest = $this->getLatest();
@@ -2436,6 +2492,10 @@
 				} else {
 					$log->addEntry( 'unprotect', $this->mTitle, $reason );
 				}
+				} else {
+					wfDebug( "updateRestrictions failed: page supposed to be protected does not exist anymore (ID: $id) \n" );
+					return false;
+				}
 
 			} # End hook
 		} # End "changed" check
@@ -3132,6 +3192,11 @@
 			}
 		}
 
+		/* Wikia change begin - @author: Macbre */
+		/* MyHome: store ID of the rollbacked revision */
+		Wikia::setVar('RollbackedRevId', $target->getNext()->getId());
+		/* Wikia change end */
+
 		# Allow the custom summary to use the same args as the default message
 		$args = array(
 			$target->getUserText(), $from, $s->rev_id,
@@ -3259,6 +3324,9 @@
 		}
 		# Update newtalk / watchlist notification status
 		$wgUser->clearNotification( $this->mTitle );
+		// wikia changes begin
+		wfRunHooks( 'AfterViewUpdates', array( $this ) );
+		// wikia changes end
 	}
 
 	/**
@@ -3963,6 +4031,9 @@
 		$ot = Title::newFromRedirect( $oldtext );
 		$rt = Title::newFromRedirect( $newtext );
 		if ( is_object( $rt ) && ( !is_object( $ot ) || !$rt->equals( $ot ) || $ot->getFragment() != $rt->getFragment() ) ) {
+			// wikia changes begin
+			Wikia::setVar( 'AutoSummaryType', 'autoredircomment' );
+			// wikia changes end
 			return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
 		}
 
@@ -3973,11 +4044,13 @@
 			$truncatedtext = $wgContLang->truncate(
 				str_replace( "\n", ' ', $newtext ),
 				max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) );
+			Wikia::setVar( 'AutoSummaryType', 'autosumm-new' );
 			return wfMsgForContent( 'autosumm-new', $truncatedtext );
 		}
 
 		# Blanking autosummaries
 		if ( $oldtext != '' && $newtext == '' ) {
+			Wikia::setVar( 'AutoSummaryType', 'autosumm-blank' );
 			return wfMsgForContent( 'autosumm-blank' );
 		} elseif ( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500 ) {
 			# Removing more than 90% of the article
@@ -3985,6 +4058,7 @@
 			$truncatedtext = $wgContLang->truncate(
 				$newtext,
 				max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) );
+			Wikia::setVar( 'AutoSummaryType', 'autosumm-replace' );
 			return wfMsgForContent( 'autosumm-replace', $truncatedtext );
 		}
 
@@ -4114,6 +4188,18 @@
 	 * @return null
 	 */
 	public function updateCategoryCounts( $added, $deleted ) {
+		/* Wikia change begin - @author: wladek */
+		global $wgSkipCountForCategories;
+
+		/* Used by CategoryService */
+		wfRunHooks( 'ArticleUpdateCategoryCounts', array( &$this, $added, $deleted ));
+
+		if( is_array( $wgSkipCountForCategories ) ) {
+			$added = array_diff( $added, $wgSkipCountForCategories );
+			$deleted = array_diff( $deleted, $wgSkipCountForCategories );
+		}
+		/* Wikia change end */
+
 		$ns = $this->mTitle->getNamespace();
 		$dbw = wfGetDB( DB_MASTER );