* 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 {
$mc = array(
'iw_url' => $iw->mURL,
'iw_api' => $iw->mAPI,
- 'iw_wikiid' => $iw->mWikiID,
'iw_local' => $iw->mLocal,
'iw_trans' => $iw->mTrans
);
$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'] : '';
$msg = wfMessage( 'interwiki-desc-' . $this->mPrefix )->inContentLanguage();
return !$msg->exists() ? '' : $msg;
}
-
-
- /**
- * Transclude an interwiki link.
- */
- 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'
- )
- );
-
- $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