<?php
/**
+ * Interwiki table entry.
+ *
+ * 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
- * Interwiki table entry
*/
/**
* All information is loaded on creation when called by Interwiki::fetch( $prefix ).
* All work is done on slave, because this should *never* change (except during
* schema updates etc, which aren't wiki-related)
- * This class also contains the functions that allow interwiki templates transclusion.
*/
class Interwiki {
* Fetch an Interwiki object
*
* @param $prefix String: interwiki prefix to use
- * @return Interwiki Object, or null if not valid
+ * @return Interwiki|null|bool
*/
static public function fetch( $prefix ) {
global $wgContLang;
$value = '';
}
+
return $value;
}
/**
* Load the interwiki, trying first memcached then the DB
*
- * @param $prefix The interwiki prefix
+ * @param $prefix string The interwiki prefix
* @return Boolean: the prefix is valid
*/
protected static function load( $prefix ) {
if ( !$iwData ) {
$key = wfMemcKey( 'interwiki', $prefix );
$iwData = $wgMemc->get( $key );
+ if ( $iwData === '!NONEXISTENT' ) {
+ return false; // negative cache hit
+ }
}
if( $iwData && is_array( $iwData ) ) { // is_array is hack for old keys
$db = wfGetDB( DB_SLAVE );
- $row = $db->fetchRow( $db->select( 'interwiki', '*', array( 'iw_prefix' => $prefix ),
+ $row = $db->fetchRow( $db->select( 'interwiki', self::selectFields(), array( 'iw_prefix' => $prefix ),
__METHOD__ ) );
$iw = Interwiki::loadFromArray( $row );
if ( $iw ) {
$mc = array(
'iw_url' => $iw->mURL,
'iw_api' => $iw->mAPI,
- 'iw_wikiid' => $iw->mWikiID,
'iw_local' => $iw->mLocal,
'iw_trans' => $iw->mTrans
);
$wgMemc->add( $key, $mc, $wgInterwikiExpiry );
return $iw;
+ } else {
+ $wgMemc->add( $key, '!NONEXISTENT', $wgInterwikiExpiry ); // negative cache hit
}
return false;
/**
* Fill in member variables from an array (e.g. memcached result, Database::fetchRow, etc)
*
- * @param $mc Associative array: row from the interwiki table
- * @return Boolean: whether everything was there
+ * @param $mc array Associative array: row from the interwiki table
+ * @return Boolean|Interwiki whether everything was there
*/
protected static function loadFromArray( $mc ) {
if( isset( $mc['iw_url'] ) ) {
$iw->mURL = $mc['iw_url'];
$iw->mLocal = isset( $mc['iw_local'] ) ? $mc['iw_local'] : 0;
$iw->mTrans = isset( $mc['iw_trans'] ) ? $mc['iw_trans'] : 0;
- $iw->mAPI = isset( $mc['iw_api'] ) ? $mc['iw_api'] :
$iw->mAPI = isset( $mc['iw_api'] ) ? $mc['iw_api'] : '';
$iw->mWikiID = isset( $mc['iw_wikiid'] ) ? $mc['iw_wikiid'] : '';
-
+
return $iw;
}
return false;
/**
* Fetch all interwiki prefixes from interwiki cache
*
- * @param $local If not null, limits output to local/non-local interwikis
+ * @param $local null|string If not null, limits output to local/non-local interwikis
* @return Array List of prefixes
* @since 1.19
*/
/**
* Fetch all interwiki prefixes from DB
*
- * @param $local If not null, limits output to local/non-local interwikis
+ * @param $local string|null If not null, limits output to local/non-local interwikis
* @return Array List of prefixes
* @since 1.19
*/
}
$res = $db->select( 'interwiki',
- array( 'iw_prefix', 'iw_url', 'iw_api', 'iw_wikiid', 'iw_local', 'iw_trans' ),
+ self::selectFields(),
$where, __METHOD__, array( 'ORDER BY' => 'iw_prefix' )
);
$retval = array();
/**
* Returns all interwiki prefixes
*
- * @param $local If set, limits output to local/non-local interwikis
+ * @param $local string|null If set, limits output to local/non-local interwikis
* @return Array List of prefixes
* @since 1.19
*/
*
* @param $title String: what text to put for the article name
* @return String: the URL
+ * @note Prior to 1.19 The getURL with an argument was broken.
+ * If you if you use this arg in an extension that supports MW earlier
+ * than 1.19 please wfUrlencode and substitute $1 on your own.
*/
public function getURL( $title = null ) {
$url = $this->mURL;
- if( $title != null ) {
- $url = str_replace( "$1", $title, $url );
+ if( $title !== null ) {
+ $url = str_replace( "$1", wfUrlencode( $title ), $url );
}
return $url;
}
$msg = wfMessage( 'interwiki-desc-' . $this->mPrefix )->inContentLanguage();
return !$msg->exists() ? '' : $msg;
}
-
/**
- * Transclude an interwiki link.
+ * Return the list of interwiki fields that should be selected to create
+ * a new interwiki object.
+ * @return array
*/
- public static function interwikiTransclude( $title ) {
-
- // If we have a wikiID, we will use it to get an access to the remote database
- // if not, we will use the API URL to retrieve the data through a HTTP Get
-
- $wikiID = $title->getTransWikiID( );
- $transAPI = $title->getTransAPI( );
-
- if ( $wikiID !== '') {
-
- $finalText = self::fetchTemplateFromDB( $wikiID, $title );
- return $finalText;
-
- } else if( $transAPI !== '' ) {
-
- $interwiki = $title->getInterwiki( );
- $fullTitle = $title->getSemiPrefixedText( );
-
- $finalText = self::fetchTemplateFromAPI( $interwiki, $transAPI, $fullTitle );
-
- return $finalText;
-
- }
- return false;
- }
-
- /**
- * Retrieve the wikitext of a distant page accessing the foreign DB
- */
- public static function fetchTemplateFromDB ( $wikiID, $title ) {
-
- $revision = Revision::loadFromTitleForeignWiki( $wikiID, $title );
-
- if ( $revision ) {
- $text = $revision->getText();
- return $text;
- }
-
- return false;
- }
-
- /**
- * Retrieve the wikitext of a distant page using the API of the foreign wiki
- */
- public static function fetchTemplateFromAPI( $interwiki, $transAPI, $fullTitle ) {
- global $wgMemc, $wgTranscludeCacheExpiry;
-
- $key = wfMemcKey( 'iwtransclustiontext', 'textid', $interwiki, $fullTitle );
- $text = $wgMemc->get( $key );
- if( is_array ( $text ) &&
- isset ( $text['missing'] ) &&
- $text['missing'] === true ) {
- return false;
- } else if ( $text ) {
- return $text;
- }
-
- $url = wfAppendQuery(
- $transAPI,
- array( 'action' => 'query',
- 'titles' => $fullTitle,
- 'prop' => 'revisions',
- 'rvprop' => 'content',
- 'format' => 'json'
- )
+ public static function selectFields() {
+ return array(
+ 'iw_prefix',
+ 'iw_url',
+ 'iw_api',
+ 'iw_wikiid',
+ 'iw_local',
+ 'iw_trans'
);
-
- $get = Http::get( $url );
- $content = FormatJson::decode( $get, true );
-
- if ( isset ( $content['query'] ) &&
- isset ( $content['query']['pages'] ) ) {
- $page = array_pop( $content['query']['pages'] );
- if ( $page && isset( $page['revisions'][0]['*'] ) ) {
- $text = $page['revisions'][0]['*'];
- $wgMemc->set( $key, $text, $wgTranscludeCacheExpiry );
-
- // When we cache a template, we also retrieve and cache its subtemplates
- $subtemplates = self::getSubtemplatesListFromAPI( $interwiki, $transAPI, $fullTitle );
- self::cacheTemplatesFromAPI( $interwiki, $transAPI, $subtemplates );
-
- return $text;
- } else {
- $wgMemc->set( $key, array ( 'missing' => true ), $wgTranscludeCacheExpiry );
- }
- }
- return false;
- }
-
- public static function getSubtemplatesListFromAPI ( $interwiki, $transAPI, $title ) {
- $url = wfAppendQuery( $transAPI,
- array( 'action' => 'query',
- 'titles' => $title,
- 'prop' => 'templates',
- 'format' => 'json'
- )
- );
-
- $get = Http::get( $url );
- $myArray = FormatJson::decode($get, true);
-
- $templates = array( );
- if ( ! empty( $myArray['query'] )) {
- if ( ! empty( $myArray['query']['pages'] )) {
- $templates = array_pop( $myArray['query']['pages'] );
- if ( ! empty( $templates['templates'] )) {
- $templates = $templates['templates'];
- }
- }
- return $templates;
- }
- }
-
- public static function cacheTemplatesFromAPI( $interwiki, $transAPI, $titles ){
- global $wgMemc, $wgTranscludeCacheExpiry;
-
- $outdatedTitles = array( );
-
- foreach( $titles as $title ){
- if ( isset ( $title['title'] ) ) {
- $key = wfMemcKey( 'iwtransclustiontext', 'textid', $interwiki, $title['title'] );
- $text = $wgMemc->get( $key );
- if( !$text ){
- $outdatedTitles[] = $title['title'];
- }
- }
- }
-
- $batches = array_chunk( $outdatedTitles, 50 );
-
- foreach( $batches as $batch ){
- $url = wfAppendQuery(
- $transAPI,
- array( 'action' => 'query',
- 'titles' => implode( '|', $batch ),
- 'prop' => 'revisions',
- 'rvprop' => 'content',
- 'format' => 'json'
- )
- );
- $get = Http::get( $url );
- $content = FormatJson::decode( $get, true );
-
- if ( isset ( $content['query'] ) &&
- isset ( $content['query']['pages'] ) ) {
- foreach( $content['query']['pages'] as $page ) {
- $key = wfMemcKey( 'iwtransclustiontext', 'textid', $interwiki, $page['title'] );
- if ( isset ( $page['revisions'][0]['*'] ) ) {
- $text = $page['revisions'][0]['*'];
- } else {
- $text = array ( 'missing' => true );
- }
- $wgMemc->set( $key, $text, $wgTranscludeCacheExpiry );
- }
- }
- }
}
}
dépôts / lhc / web / wiklou.git / blobdiff