'action' => 'query',
'redirects' => 'true'
) );
+
if ( !isset( $query['uselang'] ) ) { // uselang is unset or null
$query['uselang'] = $wgLanguageCode;
}
- if ( $this->mApiBase ) {
- $url = wfAppendQuery( $this->mApiBase, $query );
- } else {
- $url = $this->makeUrl( $query, 'api' );
- }
- if ( !isset( $this->mQueryCache[$url] ) ) {
- $key = $this->getLocalCacheKey( 'ForeignAPIRepo', 'Metadata', md5( $url ) );
- $data = $wgMemc->get( $key );
- if ( !$data ) {
- $data = self::httpGet( $url );
- if ( !$data ) {
- return null;
- }
- $wgMemc->set( $key, $data, 3600 );
- }
+ $data = $this->httpGetCached( 'Metadata', $query );
- if ( count( $this->mQueryCache ) > 100 ) {
- // Keep the cache from growing infinitely
- $this->mQueryCache = array();
- }
- $this->mQueryCache[$url] = $data;
+ if ( $data ) {
+ return FormatJson::decode( $data, true );
+ } else {
+ return null;
}
- return FormatJson::decode( $this->mQueryCache[$url], true );
}
/**
}
}
+ /**
+ * HTTP GET request to a mediawiki API (with caching)
+ * @param $target string Used in cache key creation, mostly
+ * @param $query array The query parameters for the API request
+ * @param $cacheTTL int Time to live for the memcached caching
+ */
+ public function httpGetCached( $target, $query, $cacheTTL = 3600 ) {
+ if ( $this->mApiBase ) {
+ $url = wfAppendQuery( $this->mApiBase, $query );
+ } else {
+ $url = $this->makeUrl( $query, 'api' );
+ }
+
+ if ( !isset( $this->mQueryCache[$url] ) ) {
+ global $wgMemc;
+
+ $key = $this->getLocalCacheKey( get_class( $this ), $target, md5( $url ) );
+ $data = $wgMemc->get( $key );
+
+ if ( !$data ) {
+ $data = self::httpGet( $url );
+
+ if ( !$data ) {
+ return null;
+ }
+
+ $wgMemc->set( $key, $data, $cacheTTL );
+ }
+
+ if ( count( $this->mQueryCache ) > 100 ) {
+ // Keep the cache from growing infinitely
+ $this->mQueryCache = array();
+ }
+
+ $this->mQueryCache[$url] = $data;
+ }
+
+ return $this->mQueryCache[$url];
+ }
+
/**
* @param $callback Array|string
* @throws MWException