Merge branch 'archwiki'

# Conflicts:
#	skins/ArchLinux.php
#	skins/ArchLinux/archlogo.gif

1 files changed, 754 insertions, 0 deletions

diff --git a/includes/specialpage/QueryPage.php b/includes/specialpage/QueryPage.php
new file mode 100644
index 00000000..b229e06e
--- /dev/null
+++ b/includes/specialpage/QueryPage.php
@@ -0,0 +1,754 @@
+<?php
+/**
+ * Base code for "query" special pages.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * This is a class for doing query pages; since they're almost all the same,
+ * we factor out some of the functionality into a superclass, and let
+ * subclasses derive from it.
+ * @ingroup SpecialPage
+ */
+abstract class QueryPage extends SpecialPage {
+	/** @var bool Whether or not we want plain listoutput rather than an ordered list */
+	protected $listoutput = false;
+
+	/** @var int The offset and limit in use, as passed to the query() function */
+	protected $offset = 0;
+
+	/** @var int */
+	protected $limit = 0;
+
+	/**
+	 * The number of rows returned by the query. Reading this variable
+	 * only makes sense in functions that are run after the query has been
+	 * done, such as preprocessResults() and formatRow().
+	 */
+	protected $numRows;
+
+	protected $cachedTimestamp = null;
+
+	/**
+	 * Whether to show prev/next links
+	 */
+	protected $shownavigation = true;
+
+	/**
+	 * Get a list of query page classes and their associated special pages,
+	 * for periodic updates.
+	 *
+	 * DO NOT CHANGE THIS LIST without testing that
+	 * maintenance/updateSpecialPages.php still works.
+	 * @return array
+	 */
+	public static function getPages() {
+		global $wgDisableCounters;
+		static $qp = null;
+
+		if ( $qp === null ) {
+			// QueryPage subclass, Special page name
+			$qp = array(
+				array( 'AncientPagesPage', 'Ancientpages' ),
+				array( 'BrokenRedirectsPage', 'BrokenRedirects' ),
+				array( 'DeadendPagesPage', 'Deadendpages' ),
+				array( 'DoubleRedirectsPage', 'DoubleRedirects' ),
+				array( 'FileDuplicateSearchPage', 'FileDuplicateSearch' ),
+				array( 'ListDuplicatedFilesPage', 'ListDuplicatedFiles'),
+				array( 'LinkSearchPage', 'LinkSearch' ),
+				array( 'ListredirectsPage', 'Listredirects' ),
+				array( 'LonelyPagesPage', 'Lonelypages' ),
+				array( 'LongPagesPage', 'Longpages' ),
+				array( 'MediaStatisticsPage', 'MediaStatistics' ),
+				array( 'MIMEsearchPage', 'MIMEsearch' ),
+				array( 'MostcategoriesPage', 'Mostcategories' ),
+				array( 'MostimagesPage', 'Mostimages' ),
+				array( 'MostinterwikisPage', 'Mostinterwikis' ),
+				array( 'MostlinkedCategoriesPage', 'Mostlinkedcategories' ),
+				array( 'MostlinkedtemplatesPage', 'Mostlinkedtemplates' ),
+				array( 'MostlinkedPage', 'Mostlinked' ),
+				array( 'MostrevisionsPage', 'Mostrevisions' ),
+				array( 'FewestrevisionsPage', 'Fewestrevisions' ),
+				array( 'ShortPagesPage', 'Shortpages' ),
+				array( 'UncategorizedCategoriesPage', 'Uncategorizedcategories' ),
+				array( 'UncategorizedPagesPage', 'Uncategorizedpages' ),
+				array( 'UncategorizedImagesPage', 'Uncategorizedimages' ),
+				array( 'UncategorizedTemplatesPage', 'Uncategorizedtemplates' ),
+				array( 'UnusedCategoriesPage', 'Unusedcategories' ),
+				array( 'UnusedimagesPage', 'Unusedimages' ),
+				array( 'WantedCategoriesPage', 'Wantedcategories' ),
+				array( 'WantedFilesPage', 'Wantedfiles' ),
+				array( 'WantedPagesPage', 'Wantedpages' ),
+				array( 'WantedTemplatesPage', 'Wantedtemplates' ),
+				array( 'UnwatchedPagesPage', 'Unwatchedpages' ),
+				array( 'UnusedtemplatesPage', 'Unusedtemplates' ),
+				array( 'WithoutInterwikiPage', 'Withoutinterwiki' ),
+			);
+			wfRunHooks( 'wgQueryPages', array( &$qp ) );
+
+			if ( !$wgDisableCounters ) {
+				$qp[] = array( 'PopularPagesPage', 'Popularpages' );
+			}
+		}
+
+		return $qp;
+	}
+
+	/**
+	 * A mutator for $this->listoutput;
+	 *
+	 * @param bool $bool
+	 */
+	function setListoutput( $bool ) {
+		$this->listoutput = $bool;
+	}
+
+	/**
+	 * Subclasses return an SQL query here, formatted as an array with the
+	 * following keys:
+	 *    tables => Table(s) for passing to Database::select()
+	 *    fields => Field(s) for passing to Database::select(), may be *
+	 *    conds => WHERE conditions
+	 *    options => options
+	 *    join_conds => JOIN conditions
+	 *
+	 * Note that the query itself should return the following three columns:
+	 * 'namespace', 'title', and 'value'. 'value' is used for sorting.
+	 *
+	 * These may be stored in the querycache table for expensive queries,
+	 * and that cached data will be returned sometimes, so the presence of
+	 * extra fields can't be relied upon. The cached 'value' column will be
+	 * an integer; non-numeric values are useful only for sorting the
+	 * initial query (except if they're timestamps, see usesTimestamps()).
+	 *
+	 * Don't include an ORDER or LIMIT clause, they will be added.
+	 *
+	 * If this function is not overridden or returns something other than
+	 * an array, getSQL() will be used instead. This is for backwards
+	 * compatibility only and is strongly deprecated.
+	 * @return array
+	 * @since 1.18
+	 */
+	function getQueryInfo() {
+		return null;
+	}
+
+	/**
+	 * For back-compat, subclasses may return a raw SQL query here, as a string.
+	 * This is strongly deprecated; getQueryInfo() should be overridden instead.
+	 * @throws MWException
+	 * @return string
+	 */
+	function getSQL() {
+		/* Implement getQueryInfo() instead */
+		throw new MWException( "Bug in a QueryPage: doesn't implement getQueryInfo() nor "
+			. "getQuery() properly" );
+	}
+
+	/**
+	 * Subclasses return an array of fields to order by here. Don't append
+	 * DESC to the field names, that'll be done automatically if
+	 * sortDescending() returns true.
+	 * @return array
+	 * @since 1.18
+	 */
+	function getOrderFields() {
+		return array( 'value' );
+	}
+
+	/**
+	 * Does this query return timestamps rather than integers in its
+	 * 'value' field? If true, this class will convert 'value' to a
+	 * UNIX timestamp for caching.
+	 * NOTE: formatRow() may get timestamps in TS_MW (mysql), TS_DB (pgsql)
+	 *       or TS_UNIX (querycache) format, so be sure to always run them
+	 *       through wfTimestamp()
+	 * @return bool
+	 * @since 1.18
+	 */
+	function usesTimestamps() {
+		return false;
+	}
+
+	/**
+	 * Override to sort by increasing values
+	 *
+	 * @return bool
+	 */
+	function sortDescending() {
+		return true;
+	}
+
+	/**
+	 * Is this query expensive (for some definition of expensive)? Then we
+	 * don't let it run in miser mode. $wgDisableQueryPages causes all query
+	 * pages to be declared expensive. Some query pages are always expensive.
+	 *
+	 * @return bool
+	 */
+	function isExpensive() {
+		return $this->getConfig()->get( 'DisableQueryPages' );
+	}
+
+	/**
+	 * Is the output of this query cacheable? Non-cacheable expensive pages
+	 * will be disabled in miser mode and will not have their results written
+	 * to the querycache table.
+	 * @return bool
+	 * @since 1.18
+	 */
+	public function isCacheable() {
+		return true;
+	}
+
+	/**
+	 * Whether or not the output of the page in question is retrieved from
+	 * the database cache.
+	 *
+	 * @return bool
+	 */
+	function isCached() {
+		return $this->isExpensive() && $this->getConfig()->get( 'MiserMode' );
+	}
+
+	/**
+	 * Sometime we don't want to build rss / atom feeds.
+	 *
+	 * @return bool
+	 */
+	function isSyndicated() {
+		return true;
+	}
+
+	/**
+	 * Formats the results of the query for display. The skin is the current
+	 * skin; you can use it for making links. The result is a single row of
+	 * result data. You should be able to grab SQL results off of it.
+	 * If the function returns false, the line output will be skipped.
+	 * @param Skin $skin
+	 * @param object $result Result row
+	 * @return string|bool String or false to skip
+	 */
+	abstract function formatResult( $skin, $result );
+
+	/**
+	 * The content returned by this function will be output before any result
+	 *
+	 * @return string
+	 */
+	function getPageHeader() {
+		return '';
+	}
+
+	/**
+	 * If using extra form wheely-dealies, return a set of parameters here
+	 * as an associative array. They will be encoded and added to the paging
+	 * links (prev/next/lengths).
+	 *
+	 * @return array
+	 */
+	function linkParameters() {
+		return array();
+	}
+
+	/**
+	 * Some special pages (for example SpecialListusers) might not return the
+	 * current object formatted, but return the previous one instead.
+	 * Setting this to return true will ensure formatResult() is called
+	 * one more time to make sure that the very last result is formatted
+	 * as well.
+	 * @return bool
+	 */
+	function tryLastResult() {
+		return false;
+	}
+
+	/**
+	 * Clear the cache and save new results
+	 *
+	 * @param int|bool $limit Limit for SQL statement
+	 * @param bool $ignoreErrors Whether to ignore database errors
+	 * @throws DBError|Exception
+	 * @return bool|int
+	 */
+	function recache( $limit, $ignoreErrors = true ) {
+		if ( !$this->isCacheable() ) {
+			return 0;
+		}
+
+		$fname = get_class( $this ) . '::recache';
+		$dbw = wfGetDB( DB_MASTER );
+		if ( !$dbw ) {
+			return false;
+		}
+
+		try {
+			# Do query
+			$res = $this->reallyDoQuery( $limit, false );
+			$num = false;
+			if ( $res ) {
+				$num = $res->numRows();
+				# Fetch results
+				$vals = array();
+				foreach ( $res as $row ) {
+					if ( isset( $row->value ) ) {
+						if ( $this->usesTimestamps() ) {
+							$value = wfTimestamp( TS_UNIX,
+								$row->value );
+						} else {
+							$value = intval( $row->value ); // @bug 14414
+						}
+					} else {
+						$value = 0;
+					}
+
+					$vals[] = array( 'qc_type' => $this->getName(),
+							'qc_namespace' => $row->namespace,
+							'qc_title' => $row->title,
+							'qc_value' => $value );
+				}
+
+				$dbw->startAtomic( __METHOD__ );
+				# Clear out any old cached data
+				$dbw->delete( 'querycache', array( 'qc_type' => $this->getName() ), $fname );
+				# Save results into the querycache table on the master
+				if ( count( $vals ) ) {
+					$dbw->insert( 'querycache', $vals, __METHOD__ );
+				}
+				# Update the querycache_info record for the page
+				$dbw->delete( 'querycache_info', array( 'qci_type' => $this->getName() ), $fname );
+				$dbw->insert( 'querycache_info',
+					array( 'qci_type' => $this->getName(), 'qci_timestamp' => $dbw->timestamp() ),
+					$fname );
+				$dbw->endAtomic( __METHOD__ );
+			}
+		} catch ( DBError $e ) {
+			if ( !$ignoreErrors ) {
+				throw $e; // report query error
+			}
+			$num = false; // set result to false to indicate error
+		}
+
+		return $num;
+	}
+
+	/**
+	 * Get a DB connection to be used for slow recache queries
+	 * @return DatabaseBase
+	 */
+	function getRecacheDB() {
+		return wfGetDB( DB_SLAVE, array( $this->getName(), 'QueryPage::recache', 'vslow' ) );
+	}
+
+	/**
+	 * Run the query and return the result
+	 * @param int|bool $limit Numerical limit or false for no limit
+	 * @param int|bool $offset Numerical offset or false for no offset
+	 * @return ResultWrapper
+	 * @since 1.18
+	 */
+	function reallyDoQuery( $limit, $offset = false ) {
+		$fname = get_class( $this ) . "::reallyDoQuery";
+		$dbr = $this->getRecacheDB();
+		$query = $this->getQueryInfo();
+		$order = $this->getOrderFields();
+
+		if ( $this->sortDescending() ) {
+			foreach ( $order as &$field ) {
+				$field .= ' DESC';
+			}
+		}
+
+		if ( is_array( $query ) ) {
+			$tables = isset( $query['tables'] ) ? (array)$query['tables'] : array();
+			$fields = isset( $query['fields'] ) ? (array)$query['fields'] : array();
+			$conds = isset( $query['conds'] ) ? (array)$query['conds'] : array();
+			$options = isset( $query['options'] ) ? (array)$query['options'] : array();
+			$join_conds = isset( $query['join_conds'] ) ? (array)$query['join_conds'] : array();
+
+			if ( count( $order ) ) {
+				$options['ORDER BY'] = $order;
+			}
+
+			if ( $limit !== false ) {
+				$options['LIMIT'] = intval( $limit );
+			}
+
+			if ( $offset !== false ) {
+				$options['OFFSET'] = intval( $offset );
+			}
+
+			$res = $dbr->select( $tables, $fields, $conds, $fname,
+					$options, $join_conds
+			);
+		} else {
+			// Old-fashioned raw SQL style, deprecated
+			$sql = $this->getSQL();
+			$sql .= ' ORDER BY ' . implode( ', ', $order );
+			$sql = $dbr->limitResult( $sql, $limit, $offset );
+			$res = $dbr->query( $sql, $fname );
+		}
+
+		return $res;
+	}
+
+	/**
+	 * Somewhat deprecated, you probably want to be using execute()
+	 * @param int|bool $offset
+	 * @param int|bool $limit
+	 * @return ResultWrapper
+	 */
+	function doQuery( $offset = false, $limit = false ) {
+		if ( $this->isCached() && $this->isCacheable() ) {
+			return $this->fetchFromCache( $limit, $offset );
+		} else {
+			return $this->reallyDoQuery( $limit, $offset );
+		}
+	}
+
+	/**
+	 * Fetch the query results from the query cache
+	 * @param int|bool $limit Numerical limit or false for no limit
+	 * @param int|bool $offset Numerical offset or false for no offset
+	 * @return ResultWrapper
+	 * @since 1.18
+	 */
+	function fetchFromCache( $limit, $offset = false ) {
+		$dbr = wfGetDB( DB_SLAVE );
+		$options = array();
+		if ( $limit !== false ) {
+			$options['LIMIT'] = intval( $limit );
+		}
+		if ( $offset !== false ) {
+			$options['OFFSET'] = intval( $offset );
+		}
+		if ( $this->sortDescending() ) {
+			$options['ORDER BY'] = 'qc_value DESC';
+		} else {
+			$options['ORDER BY'] = 'qc_value ASC';
+		}
+		$res = $dbr->select( 'querycache', array( 'qc_type',
+				'namespace' => 'qc_namespace',
+				'title' => 'qc_title',
+				'value' => 'qc_value' ),
+				array( 'qc_type' => $this->getName() ),
+				__METHOD__, $options
+		);
+		return $dbr->resultObject( $res );
+	}
+
+	public function getCachedTimestamp() {
+		if ( is_null( $this->cachedTimestamp ) ) {
+			$dbr = wfGetDB( DB_SLAVE );
+			$fname = get_class( $this ) . '::getCachedTimestamp';
+			$this->cachedTimestamp = $dbr->selectField( 'querycache_info', 'qci_timestamp',
+				array( 'qci_type' => $this->getName() ), $fname );
+		}
+		return $this->cachedTimestamp;
+	}
+
+	/**
+	 * This is the actual workhorse. It does everything needed to make a
+	 * real, honest-to-gosh query page.
+	 * @param string $par
+	 */
+	function execute( $par ) {
+		$user = $this->getUser();
+		if ( !$this->userCanExecute( $user ) ) {
+			$this->displayRestrictionError();
+			return;
+		}
+
+		$this->setHeaders();
+		$this->outputHeader();
+
+		$out = $this->getOutput();
+
+		if ( $this->isCached() && !$this->isCacheable() ) {
+			$out->addWikiMsg( 'querypage-disabled' );
+			return;
+		}
+
+		$out->setSyndicated( $this->isSyndicated() );
+
+		if ( $this->limit == 0 && $this->offset == 0 ) {
+			list( $this->limit, $this->offset ) = $this->getRequest()->getLimitOffset();
+		}
+
+		// @todo Use doQuery()
+		if ( !$this->isCached() ) {
+			# select one extra row for navigation
+			$res = $this->reallyDoQuery( $this->limit + 1, $this->offset );
+		} else {
+			# Get the cached result, select one extra row for navigation
+			$res = $this->fetchFromCache( $this->limit + 1, $this->offset );
+			if ( !$this->listoutput ) {
+
+				# Fetch the timestamp of this update
+				$ts = $this->getCachedTimestamp();
+				$lang = $this->getLanguage();
+				$maxResults = $lang->formatNum( $this->getConfig()->get( 'QueryCacheLimit' ) );
+
+				if ( $ts ) {
+					$updated = $lang->userTimeAndDate( $ts, $user );
+					$updateddate = $lang->userDate( $ts, $user );
+					$updatedtime = $lang->userTime( $ts, $user );
+					$out->addMeta( 'Data-Cache-Time', $ts );
+					$out->addJsConfigVars( 'dataCacheTime', $ts );
+					$out->addWikiMsg( 'perfcachedts', $updated, $updateddate, $updatedtime, $maxResults );
+				} else {
+					$out->addWikiMsg( 'perfcached', $maxResults );
+				}
+
+				# If updates on this page have been disabled, let the user know
+				# that the data set won't be refreshed for now
+				if ( is_array( $this->getConfig()->get( 'DisableQueryPageUpdate' ) )
+					&& in_array( $this->getName(), $this->getConfig()->get( 'DisableQueryPageUpdate' ) )
+				) {
+					$out->wrapWikiMsg(
+						"<div class=\"mw-querypage-no-updates\">\n$1\n</div>",
+						'querypage-no-updates'
+					);
+				}
+			}
+		}
+
+		$this->numRows = $res->numRows();
+
+		$dbr = wfGetDB( DB_SLAVE );
+		$this->preprocessResults( $dbr, $res );
+
+		$out->addHTML( Xml::openElement( 'div', array( 'class' => 'mw-spcontent' ) ) );
+
+		# Top header and navigation
+		if ( $this->shownavigation ) {
+			$out->addHTML( $this->getPageHeader() );
+			if ( $this->numRows > 0 ) {
+				$out->addHTML( $this->msg( 'showingresultsinrange' )->numParams(
+					min( $this->numRows, $this->limit ), # do not show the one extra row, if exist
+					$this->offset + 1, ( min( $this->numRows, $this->limit ) + $this->offset ) )->parseAsBlock() );
+				# Disable the "next" link when we reach the end
+				$paging = $this->getLanguage()->viewPrevNext( $this->getPageTitle( $par ), $this->offset,
+					$this->limit, $this->linkParameters(), ( $this->numRows <= $this->limit ) );
+				$out->addHTML( '<p>' . $paging . '</p>' );
+			} else {
+				# No results to show, so don't bother with "showing X of Y" etc.
+				# -- just let the user know and give up now
+				$out->addWikiMsg( 'specialpage-empty' );
+				$out->addHTML( Xml::closeElement( 'div' ) );
+				return;
+			}
+		}
+
+		# The actual results; specialist subclasses will want to handle this
+		# with more than a straight list, so we hand them the info, plus
+		# an OutputPage, and let them get on with it
+		$this->outputResults( $out,
+			$this->getSkin(),
+			$dbr, # Should use a ResultWrapper for this
+			$res,
+			min( $this->numRows, $this->limit ), # do not format the one extra row, if exist
+			$this->offset );
+
+		# Repeat the paging links at the bottom
+		if ( $this->shownavigation ) {
+			$out->addHTML( '<p>' . $paging . '</p>' );
+		}
+
+		$out->addHTML( Xml::closeElement( 'div' ) );
+	}
+
+	/**
+	 * Format and output report results using the given information plus
+	 * OutputPage
+	 *
+	 * @param OutputPage $out OutputPage to print to
+	 * @param Skin $skin User skin to use
+	 * @param DatabaseBase $dbr Database (read) connection to use
+	 * @param ResultWrapper $res Result pointer
+	 * @param int $num Number of available result rows
+	 * @param int $offset Paging offset
+	 */
+	protected function outputResults( $out, $skin, $dbr, $res, $num, $offset ) {
+		global $wgContLang;
+
+		if ( $num > 0 ) {
+			$html = array();
+			if ( !$this->listoutput ) {
+				$html[] = $this->openList( $offset );
+			}
+
+			# $res might contain the whole 1,000 rows, so we read up to
+			# $num [should update this to use a Pager]
+			// @codingStandardsIgnoreStart Generic.CodeAnalysis.ForLoopWithTestFunctionCall.NotAllowed
+			for ( $i = 0; $i < $num && $row = $res->fetchObject(); $i++ ) {
+				// @codingStandardsIgnoreEnd
+				$line = $this->formatResult( $skin, $row );
+				if ( $line ) {
+					$attr = ( isset( $row->usepatrol ) && $row->usepatrol && $row->patrolled == 0 )
+						? ' class="not-patrolled"'
+						: '';
+					$html[] = $this->listoutput
+						? $line
+						: "<li{$attr}>{$line}</li>\n";
+				}
+			}
+
+			# Flush the final result
+			if ( $this->tryLastResult() ) {
+				$row = null;
+				$line = $this->formatResult( $skin, $row );
+				if ( $line ) {
+					$attr = ( isset( $row->usepatrol ) && $row->usepatrol && $row->patrolled == 0 )
+						? ' class="not-patrolled"'
+						: '';
+					$html[] = $this->listoutput
+						? $line
+						: "<li{$attr}>{$line}</li>\n";
+				}
+			}
+
+			if ( !$this->listoutput ) {
+				$html[] = $this->closeList();
+			}
+
+			$html = $this->listoutput
+				? $wgContLang->listToText( $html )
+				: implode( '', $html );
+
+			$out->addHTML( $html );
+		}
+	}
+
+	/**
+	 * @param int $offset
+	 * @return string
+	 */
+	function openList( $offset ) {
+		return "\n<ol start='" . ( $offset + 1 ) . "' class='special'>\n";
+	}
+
+	/**
+	 * @return string
+	 */
+	function closeList() {
+		return "</ol>\n";
+	}
+
+	/**
+	 * Do any necessary preprocessing of the result object.
+	 * @param DatabaseBase $db
+	 * @param ResultWrapper $res
+	 */
+	function preprocessResults( $db, $res ) {
+	}
+
+	/**
+	 * Similar to above, but packaging in a syndicated feed instead of a web page
+	 * @param string $class
+	 * @param int $limit
+	 * @return bool
+	 */
+	function doFeed( $class = '', $limit = 50 ) {
+		if ( !$this->getConfig()->get( 'Feed' ) ) {
+			$this->getOutput()->addWikiMsg( 'feed-unavailable' );
+			return false;
+		}
+
+		$limit = min( $limit, $this->getConfig()->get( 'FeedLimit' ) );
+
+		$feedClasses = $this->getConfig()->get( 'FeedClasses' );
+		if ( isset( $feedClasses[$class] ) ) {
+			/** @var RSSFeed|AtomFeed $feed */
+			$feed = new $feedClasses[$class](
+				$this->feedTitle(),
+				$this->feedDesc(),
+				$this->feedUrl() );
+			$feed->outHeader();
+
+			$res = $this->reallyDoQuery( $limit, 0 );
+			foreach ( $res as $obj ) {
+				$item = $this->feedResult( $obj );
+				if ( $item ) {
+					$feed->outItem( $item );
+				}
+			}
+
+			$feed->outFooter();
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Override for custom handling. If the titles/links are ok, just do
+	 * feedItemDesc()
+	 * @param object $row
+	 * @return FeedItem|null
+	 */
+	function feedResult( $row ) {
+		if ( !isset( $row->title ) ) {
+			return null;
+		}
+		$title = Title::makeTitle( intval( $row->namespace ), $row->title );
+		if ( $title ) {
+			$date = isset( $row->timestamp ) ? $row->timestamp : '';
+			$comments = '';
+			if ( $title ) {
+				$talkpage = $title->getTalkPage();
+				$comments = $talkpage->getFullURL();
+			}
+
+			return new FeedItem(
+				$title->getPrefixedText(),
+				$this->feedItemDesc( $row ),
+				$title->getFullURL(),
+				$date,
+				$this->feedItemAuthor( $row ),
+				$comments );
+		} else {
+			return null;
+		}
+	}
+
+	function feedItemDesc( $row ) {
+		return isset( $row->comment ) ? htmlspecialchars( $row->comment ) : '';
+	}
+
+	function feedItemAuthor( $row ) {
+		return isset( $row->user_text ) ? $row->user_text : '';
+	}
+
+	function feedTitle() {
+		$desc = $this->getDescription();
+		$code = $this->getConfig()->get( 'LanguageCode' );
+		$sitename = $this->getConfig()->get( 'Sitename' );
+		return "$sitename - $desc [$code]";
+	}
+
+	function feedDesc() {
+		return $this->msg( 'tagline' )->text();
+	}
+
+	function feedUrl() {
+		return $this->getPageTitle()->getFullURL();
+	}
+}