<?php
/**
- * File repository with no files, for performance testing
+ * A foreign repository with a remote MediaWiki with an API thingy
+ * Very hacky and inefficient
+ * do not use except for testing :D
+ *
+ * Example config:
+ *
+ * $wgForeignFileRepos[] = array(
+ * 'class' => 'ForeignAPIRepo',
+ * 'name' => 'shared',
+ * 'apibase' => 'http://en.wikipedia.org/w/api.php',
+ * 'fetchDescription' => true, // Optional
+ * );
+ *
+ * @ingroup FileRepo
*/
-
class ForeignAPIRepo extends FileRepo {
+ var $fileFactory = array( 'ForeignAPIFile', 'newFromTitle' );
+ protected $mQueryCache = array();
+
function __construct( $info ) {
parent::__construct( $info );
$this->mApiBase = $info['apibase']; // http://commons.wikimedia.org/w/api.php
+ if( !$this->scriptDirUrl ) {
+ // hack for description fetches
+ $this->scriptDirUrl = dirname( $this->mApiBase );
+ }
}
function storeBatch( $triplets, $flags = 0 ) {
function getFileProps( $virtualUrl ) {
return false;
}
- function newFile( $title, $time = false ) {
- return false;
- }
- function findFile( $title, $time = false ) {
- $url = $this->mApiBase .
- '?' .
- wfArrayToCgi( array(
- 'format' => 'json',
- 'action' => 'query',
- 'titles' => $title, // fixme -- canonical namespacea
- 'prop' => 'imageinfo',
- 'iiprop' => 'timestamp|user|comment|url|size|sha1|metadata' ) );
- $json = Http::get( $url );
- $data = json_decode( $json, true );
+
+ protected function queryImage( $query ) {
+ $data = $this->fetchImageQuery( $query );
if( isset( $data['query']['pages'] ) ) {
foreach( $data['query']['pages'] as $pageid => $info ) {
if( isset( $info['imageinfo'][0] ) ) {
- return new ForeignAPIFile( $title, $this, $info['imageinfo'][0] );
+ return $info['imageinfo'][0];
}
}
}
return false;
}
+
+ protected function fetchImageQuery( $query ) {
+ global $wgMemc;
+
+ $url = $this->mApiBase .
+ '?' .
+ wfArrayToCgi(
+ array_merge( $query,
+ array(
+ 'format' => 'json',
+ 'action' => 'query',
+ 'prop' => 'imageinfo' ) ) );
+
+ if( !isset( $this->mQueryCache[$url] ) ) {
+ $key = wfMemcKey( 'ForeignAPIRepo', $url );
+ $data = $wgMemc->get( $key );
+ if( !$data ) {
+ $data = Http::get( $url );
+ $wgMemc->set( $key, $data, 3600 );
+ }
+
+ if( count( $this->mQueryCache ) > 100 ) {
+ // Keep the cache from growing infinitely
+ $this->mQueryCache = array();
+ }
+ $this->mQueryCache[$url] = $data;
+ }
+ return json_decode( $this->mQueryCache[$url], true );
+ }
+
+ function getImageInfo( $title, $time = false ) {
+ return $this->queryImage( array(
+ 'titles' => 'Image:' . $title->getText(),
+ 'iiprop' => 'timestamp|user|comment|url|size|sha1|metadata|mime' ) );
+ }
+
+ function getThumbUrl( $name, $width=-1, $height=-1 ) {
+ $info = $this->queryImage( array(
+ 'titles' => 'Image:' . $name,
+ 'iiprop' => 'url',
+ 'iiurlwidth' => $width,
+ 'iiurlheight' => $height ) );
+ if( $info ) {
+ return $info['thumburl'];
+ } else {
+ return false;
+ }
+ }
}