<?php
-include_once ( "LogPage.php" ) ;
-include_once ( "Feed.php" );
+require_once ( "Feed.php" );
# 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
class QueryPage {
# Subclasses return their name here. Make sure the name is also
- # specified in Language.php, both in the $wgValidSpecialPagesEn
- # variable, and as a language message param.
+ # specified in SpecialPage.php and in Language.php as a language message param.
function getName() {
return "";
}
- # Subclasses return a SQL query here.
+ # Subclasses return an SQL query here.
+ #
+ # Note that the query itself should return the following three columns:
+ # 'type' (your special page's name), 'namespace, 'title', and 'value'
+ # (numeric) *in that order*. 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 on.
+ #
+ # Don't include an ORDER or LIMIT clause, this will be added.
+
+ function getSQL() {
+ return "SELECT 'sample' as type, 0 as namespace, 'Sample result' as title, 42 as value";
+ }
+
+ # Override to sort by increasing values
+ function sortDescending() {
+ return true;
+ }
- function getSQL( $offset, $limit ) {
- return "";
+ # Don't override this unless you're darn sure.
+ function getOrderLimit( $offset, $limit ) {
+ return " ORDER BY value " .
+ ($this->sortDescending() ? "DESC" : "")
+ . wfLimitResult($limit,$offset);
}
# Is this query expensive (for some definition of expensive)? Then we
# This is the actual workhorse. It does everything needed to make a
# real, honest-to-gosh query page.
-
+
function doQuery( $offset, $limit ) {
- global $wgUser, $wgOut, $wgLang, $wgMiserMode;
+ global $wgUser, $wgOut, $wgLang, $wgRequest;
+ global $wgMiserMode;
$sname = $this->getName();
$fname = get_class($this) . "::doQuery";
+ $sql = $this->getSQL( $offset, $limit );
$wgOut->setSyndicated( true );
- if ( $this->isExpensive( ) ) {
- $vsp = $wgLang->getValidSpecialPages();
- $logpage = new LogPage( "!" . $vsp[$sname] );
- $logpage->mUpdateRecentChanges = false;
-
- if ( $wgMiserMode ) {
- $logpage->showAsDisabledPage();
- return;
+ if ( $this->isExpensive() ) {
+ $type = wfStrencode( $sname );
+ $recache = $wgRequest->getBool( "recache" );
+ if( $recache ) {
+ # Clear out any old cached data
+ $res = wfQuery( "DELETE FROM querycache WHERE qc_type='$type'", DB_WRITE, $fname );
+
+ # Save results into the querycache table
+ $maxstored = 1000;
+ $res = wfQuery(
+ "INSERT INTO querycache(qc_type,qc_namespace,qc_title,qc_value) " .
+ $this->getSQL() .
+ $this->getOrderLimit( 0, $maxstored ),
+ DB_WRITE, $fname );
+ }
+ if( $wgMiserMode || $recache ) {
+ $sql =
+ "SELECT qc_type as type, qc_namespace as namespace,qc_title as title, qc_value as value
+ FROM querycache WHERE qc_type='$type'";
+ }
+ if( $wgMiserMode ) {
+ $wgOut->addWikiText( wfMsg( "perfcached" ) );
}
}
- $sql = $this->getSQL( $offset, $limit );
-
- $res = wfQuery( $sql, DB_READ, $fname );
+ $res = wfQuery( $sql . $this->getOrderLimit( $offset, $limit ), DB_READ, $fname );
$num = wfNumRows($res);
$s .= "</ol>";
$wgOut->addHTML( $s );
$wgOut->addHTML( "<p>{$sl}</p>\n" );
-
- # Saving cache
-
- if ( $this->isExpensive() && $offset == 0 && $limit >= 50 ) {
- $logpage->replaceContent( $s );
- }
}
# Similar to above, but packaging in a syndicated feed instead of a web page
function doFeed( $class = "" ) {
global $wgFeedClasses;
global $wgOut, $wgLanguageCode, $wgLang;
- if( $class == "rss" ) {
- $feed = new RSSFeed(
+ if( isset($wgFeedClasses[$class]) ) {
+ $feed = new $wgFeedClasses[$class](
$this->feedTitle(),
$this->feedDesc(),
$this->feedUrl() );
# Override for custom handling. If the titles/links are ok, just do feedItemDesc()
function feedResult( $row ) {
- if( isset( $row->cur_title ) ) {
- $title = Title::MakeTitle( $row->cur_namespace, $row->cur_title );
- } elseif( isset( $row->old_title ) ) {
- $title = Title::MakeTitle( $row->old_namespace, $row->old_title );
- } elseif( isset( $row->rc_title ) ) {
- $title = Title::MakeTitle( $row->rc_namespace, $row->rc_title );
- } else {
+ if( !isset( $row->title ) ) {
return NULL;
}
+ $title = Title::MakeTitle( IntVal( $row->namespace ), $row->title );
if( $title ) {
- $date = "";
- if( isset( $row->cur_timestamp ) ) {
- $date = $row->cur_timestamp;
- } elseif( isset( $row->old_timestamp ) ) {
- $date = $row->old_timestamp;
- } elseif( isset( $row->rc_cur_timestamp ) ) {
- $date = $row->rc_cur_timestamp;
+ if( isset( $row->timestamp ) ) {
+ $date = $row->timestamp;
+ } else {
+ $date = "";
+ }
+
+ $comments = "";
+ if( $title ) {
+ $talkpage = $title->getTalkPage();
+ $comments = $talkpage->getFullURL();
}
+
return new FeedItem(
$title->getText(),
$this->feedItemDesc( $row ),
$title->getFullURL(),
$date,
- $this->feedItemAuthor( $row ) );
+ $this->feedItemAuthor( $row ),
+ $comments);
} else {
return NULL;
}
function feedItemDesc( $row ) {
$text = "";
- if( isset( $row->cur_comment ) ) {
- $text = $row->cur_comment;
- } elseif( isset( $row->old_comment ) ) {
- $text = $row->old_comment;
- } elseif( isset( $row->rc_comment ) ) {
- $text = $row->rc_comment;
+ if( isset( $row->comment ) ) {
+ $text = htmlspecialchars( $row->comment );
+ } else {
+ $text = "";
}
- $text = htmlspecialchars( $text );
- if( isset( $row->cur_text ) ) {
+ if( isset( $row->text ) ) {
$text = "<p>" . htmlspecialchars( wfMsg( "summary" ) ) . ": " . $text . "</p>\n<hr />\n<div>" .
- nl2br( $row->cur_text ) . "</div>";;
+ nl2br( htmlspecialchars( $row->text ) ) . "</div>";;
}
return $text;
}
function feedItemAuthor( $row ) {
- $fields = array( "cur_user_text", "old_user_text", "rc_user_text" );
- foreach( $fields as $field ) {
- if( isset( $row->$field ) ) return $row->field;
+ if( isset( $row->user_text ) ) {
+ return $row->user_text;
+ } else {
+ return "";
}
- return "";
}
function feedTitle() {
global $wgLanguageCode, $wgSitename, $wgLang;
- $pages = $wgLang->getValidSpecialPages();
- $title = $pages[$this->getName()];
- return "$wgSitename - $title [$wgLanguageCode]";
+ $page = SpecialPage::getPage( $this->getName() );
+ $desc = $page->getDescription();
+ return "$wgSitename - $desc [$wgLanguageCode]";
}
function feedDesc() {
class PageQueryPage extends QueryPage {
function formatResult( $skin, $result ) {
- return $skin->makeKnownLink( $result->cur_title, "" );
+ $nt = Title::makeTitle( $result->namespace, $result->title );
+ return $skin->makeKnownLinkObj( $nt, "" );
}
}