X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/includes/ChangeTags.php diff --git a/includes/ChangeTags.php b/includes/ChangeTags.php deleted file mode 100644 index 7f0fee21..00000000 --- a/includes/ChangeTags.php +++ /dev/null @@ -1,205 +0,0 @@ - 'mw-tag-marker ' . - Sanitizer::escapeClass( "mw-tag-marker-$tag" ) ), - self::tagDescription( $tag ) - ); - $classes[] = Sanitizer::escapeClass( "mw-tag-$tag" ); - } - - $markers = '(' . implode( ', ', $displayTags ) . ')'; - $markers = Xml::tags( 'span', array( 'class' => 'mw-tag-markers' ), $markers ); - return array( $markers, $classes ); - } - - static function tagDescription( $tag ) { - $msg = wfMsgExt( "tag-$tag", 'parseinline' ); - if ( wfEmptyMsg( "tag-$tag", $msg ) ) { - return htmlspecialchars( $tag ); - } - return $msg; - } - - ## Basic utility method to add tags to a particular change, given its rc_id, rev_id and/or log_id. - static function addTags( $tags, $rc_id = null, $rev_id = null, $log_id = null, $params = null ) { - if ( !is_array( $tags ) ) { - $tags = array( $tags ); - } - - $tags = array_filter( $tags ); // Make sure we're submitting all tags... - - if( !$rc_id && !$rev_id && !$log_id ) { - throw new MWException( "At least one of: RCID, revision ID, and log ID MUST be specified when adding a tag to a change!" ); - } - - $dbr = wfGetDB( DB_SLAVE ); - - // Might as well look for rcids and so on. - if( !$rc_id ) { - $dbr = wfGetDB( DB_MASTER ); // Info might be out of date, somewhat fractionally, on slave. - if( $log_id ) { - $rc_id = $dbr->selectField( 'recentchanges', 'rc_id', array( 'rc_logid' => $log_id ), __METHOD__ ); - } elseif( $rev_id ) { - $rc_id = $dbr->selectField( 'recentchanges', 'rc_id', array( 'rc_this_oldid' => $rev_id ), __METHOD__ ); - } - } elseif( !$log_id && !$rev_id ) { - $dbr = wfGetDB( DB_MASTER ); // Info might be out of date, somewhat fractionally, on slave. - $log_id = $dbr->selectField( 'recentchanges', 'rc_logid', array( 'rc_id' => $rc_id ), __METHOD__ ); - $rev_id = $dbr->selectField( 'recentchanges', 'rc_this_oldid', array( 'rc_id' => $rc_id ), __METHOD__ ); - } - - $tsConds = array_filter( array( 'ts_rc_id' => $rc_id, 'ts_rev_id' => $rev_id, 'ts_log_id' => $log_id ) ); - - ## Update the summary row. - $prevTags = $dbr->selectField( 'tag_summary', 'ts_tags', $tsConds, __METHOD__ ); - $prevTags = $prevTags ? $prevTags : ''; - $prevTags = array_filter( explode( ',', $prevTags ) ); - $newTags = array_unique( array_merge( $prevTags, $tags ) ); - sort( $prevTags ); - sort( $newTags ); - - if ( $prevTags == $newTags ) { - // No change. - return false; - } - - $dbw = wfGetDB( DB_MASTER ); - $dbw->replace( - 'tag_summary', - array( 'ts_rev_id', 'ts_rc_id', 'ts_log_id' ), - array_filter( array_merge( $tsConds, array( 'ts_tags' => implode( ',', $newTags ) ) ) ), - __METHOD__ - ); - - // Insert the tags rows. - $tagsRows = array(); - foreach( $tags as $tag ) { // Filter so we don't insert NULLs as zero accidentally. - $tagsRows[] = array_filter( - array( - 'ct_tag' => $tag, - 'ct_rc_id' => $rc_id, - 'ct_log_id' => $log_id, - 'ct_rev_id' => $rev_id, - 'ct_params' => $params - ) - ); - } - - $dbw->insert( 'change_tag', $tagsRows, __METHOD__, array( 'IGNORE' ) ); - - return true; - } - - /** - * Applies all tags-related changes to a query. - * Handles selecting tags, and filtering. - * Needs $tables to be set up properly, so we can figure out which join conditions to use. - */ - static function modifyDisplayQuery( &$tables, &$fields, &$conds, - &$join_conds, &$options, $filter_tag = false ) { - global $wgRequest, $wgUseTagFilter; - - if( $filter_tag === false ) { - $filter_tag = $wgRequest->getVal( 'tagfilter' ); - } - - // Figure out which conditions can be done. - if ( in_array( 'recentchanges', $tables ) ) { - $join_cond = 'rc_id'; - } elseif( in_array( 'logging', $tables ) ) { - $join_cond = 'log_id'; - } elseif ( in_array( 'revision', $tables ) ) { - $join_cond = 'rev_id'; - } else { - throw new MWException( 'Unable to determine appropriate JOIN condition for tagging.' ); - } - - // JOIN on tag_summary - $tables[] = 'tag_summary'; - $join_conds['tag_summary'] = array( 'LEFT JOIN', "ts_$join_cond=$join_cond" ); - $fields[] = 'ts_tags'; - - if( $wgUseTagFilter && $filter_tag ) { - // Somebody wants to filter on a tag. - // Add an INNER JOIN on change_tag - - // FORCE INDEX -- change_tags will almost ALWAYS be the correct query plan. - global $wgOldChangeTagsIndex; - $index = $wgOldChangeTagsIndex ? 'ct_tag' : 'change_tag_tag_id'; - $options['USE INDEX'] = array( 'change_tag' => $index ); - unset( $options['FORCE INDEX'] ); - $tables[] = 'change_tag'; - $join_conds['change_tag'] = array( 'INNER JOIN', "ct_$join_cond=$join_cond" ); - $conds['ct_tag'] = $filter_tag; - } - } - - /** - * If $fullForm is set to false, then it returns an array of (label, form). - * If $fullForm is true, it returns an entire form. - */ - static function buildTagFilterSelector( $selected='', $fullForm = false /* used to put a full form around the selector */ ) { - global $wgUseTagFilter; - - if ( !$wgUseTagFilter || !count( self::listDefinedTags() ) ) - return $fullForm ? '' : array(); - - global $wgTitle; - - $data = array( wfMsgExt( 'tag-filter', 'parseinline' ), Xml::input( 'tagfilter', 20, $selected ) ); - - if ( !$fullForm ) { - return $data; - } - - $html = implode( ' ', $data ); - $html .= "\n" . Xml::element( 'input', array( 'type' => 'submit', 'value' => wfMsg( 'tag-filter-submit' ) ) ); - $html .= "\n" . Html::hidden( 'title', $title->getPrefixedText() ); - $html = Xml::tags( 'form', array( 'action' => $title->getLocalURL(), 'method' => 'get' ), $html ); - - return $html; - } - - /** Basically lists defined tags which count even if they aren't applied to anything */ - static function listDefinedTags() { - // Caching... - global $wgMemc; - $key = wfMemcKey( 'valid-tags' ); - $tags = $wgMemc->get( $key ); - if ( $tags ) { - return $tags; - } - - $emptyTags = array(); - - // Some DB stuff - $dbr = wfGetDB( DB_SLAVE ); - $res = $dbr->select( 'valid_tag', 'vt_tag', array(), __METHOD__ ); - foreach ( $res as $row ) { - $emptyTags[] = $row->vt_tag; - } - - wfRunHooks( 'ListDefinedTags', array( &$emptyTags ) ); - - $emptyTags = array_filter( array_unique( $emptyTags ) ); - - // Short-term caching. - $wgMemc->set( $key, $emptyTags, 300 ); - return $emptyTags; - } -}