<?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 four columns:
+ # 'type' (your special page's name), 'namespace', 'title', and 'value'
+ # *in that order*. '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.
+ #
+ # Don't include an ORDER or LIMIT clause, this will be added.
- function getSQL( $offset, $limit ) {
- return "";
+ 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;
+ }
+
+ # Don't override this unless you're darn sure.
+ function getOrderLimit( $offset, $limit ) {
+ return " ORDER BY value " .
+ ($this->sortDescending() ? "DESC" : "")
+ . wfLimitResult($limit,$offset);
+ }
+
+ function getOrder() {
+ return " ORDER BY value " .
+ ($this->sortDescending() ? "DESC" : "");
}
# Is this query expensive (for some definition of expensive)? Then we
function formatResult( $skin, $result ) {
return "";
}
-
+
# 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();
+ $dbr =& wfGetDB( DB_SLAVE );
+ $dbw =& wfGetDB( DB_MASTER );
+ $querycache = $dbr->tableName( 'querycache' );
$wgOut->setSyndicated( true );
-
- if ( $this->isExpensive( ) ) {
- $vsp = $wgLang->getValidSpecialPages();
- $logpage = new LogPage( "!" . $vsp[$sname] );
- $logpage->mUpdateRecentChanges = false;
-
- if ( $wgMiserMode ) {
- $logpage->showAsDisabledPage();
- return;
+ $res = false;
+
+ if ( $this->isExpensive() ) {
+ $recache = $wgRequest->getBool( "recache" );
+ if( $recache ) {
+ # Clear out any old cached data
+ $dbw->delete( 'querycache', array( 'qc_type' => $sname ), $fname );
+
+ # Do query on the (possibly out of date) slave server
+ $maxstored = 1000;
+ $res = $dbr->query( $sql . $this->getOrder() . $dbr->limitResult( $maxstored,0 ), $fname );
+
+ # Fetch results
+ $insertSql = "INSERT INTO $querycache (qc_type,qc_namespace,qc_title,qc_value) VALUES ";
+ $first = true;
+ while ( $row = $dbr->fetchObject( $res ) ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $insertSql .= ",";
+ }
+ $insertSql .= "(" .
+ $dbw->addQuotes( $row->type ) . "," .
+ $dbw->addQuotes( $row->namespace ) . "," .
+ $dbw->addQuotes( $row->title ) . "," .
+ $dbw->addQuotes( $row->value ) . ")";
+ }
+
+ # Save results into the querycache table on the master
+ $dbw->query( $insertSql, $fname );
+
+ # Set result pointer to allow reading for display
+ $numRows = $dbr->numRows( $res );
+ if ( $numRows <= $offset ) {
+ $num = 0;
+ } else {
+ $dbr->dataSeek( $res, $offset );
+ $num = max( $limit, $numRows - $offset );
+ }
+ }
+ if( $wgMiserMode || $recache ) {
+ $type = $dbr->strencode( $sname );
+ $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" ) );
}
}
+ if ( $res === false ) {
+ $res = $dbr->query( $sql . $this->getOrder() .
+ $dbr->limitResult( $limit,$offset ), $fname );
+ $num = $dbr->numRows($res);
+ }
- $sql = $this->getSQL( $offset, $limit );
-
- $res = wfQuery( $sql, DB_READ, $fname );
$sk = $wgUser->getSkin( );
- $top = wfShowingResults( $offset, $limit );
+ $top = wfShowingResults( $offset, $num);
$wgOut->addHTML( "<p>{$top}\n" );
- $sl = wfViewPrevNext( $offset, $limit, $wgLang->specialPage( $sname ) );
- $wgOut->addHTML( "<br>{$sl}\n" );
+ # often disable 'next' link when we reach the end
+ if($num < $limit) { $atend = true; } else { $atend = false; }
+
+ $sl = wfViewPrevNext( $offset, $limit , $wgLang->specialPage( $sname ), "" ,$atend );
+ $wgOut->addHTML( "<br />{$sl}</p>\n" );
- $s = "<ol start=" . ( $offset + 1 ) . ">";
- while ( $obj = wfFetchObject( $res ) ) {
+ $s = "<ol start='" . ( $offset + 1 ) . "' class='special'>";
+ # Only read at most $num rows, because $res may contain the whole 1000
+ for ( $i = 0; $i < $num && $obj = $dbr->fetchObject( $res ); $i++ ) {
$format = $this->formatResult( $sk, $obj );
- $s .= "<li>{$format}</li>\n";
+ $attr = ( !is_null ( $obj->usepatrol ) && $obj->usepatrol &&
+ $obj->patrolled == 0 ) ? ' class="not_patrolled"' : '';
+ $s .= "<li{$attr}>{$format}</li>\n";
}
- wfFreeResult( $res );
+ $dbr->freeResult( $res );
$s .= "</ol>";
$wgOut->addHTML( $s );
- $wgOut->addHTML( "<p>{$sl}\n" );
-
- # Saving cache
-
- if ( $this->isExpensive() && $offset == 0 && $limit >= 50 ) {
- $logpage->replaceContent( $s );
- }
+ $wgOut->addHTML( "<p>{$sl}</p>\n" );
}
-
+
# 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() );
$feed->outHeader();
-
- $sql = $this->getSQL( 0, 50 );
- $res = wfQuery( $sql, DB_READ, "QueryPage::doFeed" );
- while( $obj = wfFetchObject( $res ) ) {
+
+ $dbr =& wfGetDB( DB_SLAVE );
+ $sql = $this->getSQL() . $this->getOrder().$dbr->limitResult( 50, 0 );
+ $res = $dbr->query( $sql, "QueryPage::doFeed" );
+ while( $obj = $dbr->fetchObject( $res ) ) {
$item = $this->feedResult( $obj );
if( $item ) $feed->outItem( $item );
}
- wfFreeResult( $res );
+ $dbr->freeResult( $res );
$feed->outFooter();
return true;
# 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() {
return wfMsg( "fromwikipedia" );
}
-
+
function feedUrl() {
global $wgLang;
$title = Title::MakeTitle( NS_SPECIAL, $this->getName() );
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, "" );
}
}
dépôts / lhc / web / wiklou.git / blobdiff