Move <div>...</div> from message to program code for consistency with other stylings.
[lhc/web/wiklou.git] / includes / ExternalStore.php
index e2b7856..1e750bb 100644 (file)
@@ -14,7 +14,7 @@
  */
 class ExternalStore {
        /* Fetch data from given URL */
-       static function fetchFromURL($url) {
+       static function fetchFromURL( $url ) {
                global $wgExternalStores;
 
                if( !$wgExternalStores )
@@ -44,7 +44,7 @@ class ExternalStore {
 
                $class = 'ExternalStore' . ucfirst( $proto );
                /* Any custom modules should be added to $wgAutoLoadClasses for on-demand loading */
-               if( !class_exists( $class ) ){
+               if( !class_exists( $class ) ) {
                        return false;
                }
 
@@ -66,4 +66,49 @@ class ExternalStore {
                        return $store->store( $params, $data );
                }
        }
+       
+       /**
+        * Like insert() above, but does more of the work for us.
+        * This function does not need a url param, it builds it by
+        * itself. It also fails-over to the next possible clusters.
+        *
+        * @param string $data
+        * Returns the URL of the stored data item, or false on error
+        */
+       public static function insertToDefault( $data ) {
+               global $wgDefaultExternalStore;
+               $tryStores = (array)$wgDefaultExternalStore;
+               $error = false;
+               while ( count( $tryStores ) > 0 ) {
+                       $index = mt_rand(0, count( $tryStores ) - 1);
+                       $storeUrl = $tryStores[$index];
+                       wfDebug( __METHOD__.": trying $storeUrl\n" );
+                       list( $proto, $params ) = explode( '://', $storeUrl, 2 );
+                       $store = self::getStoreObject( $proto );
+                       if ( $store === false ) {
+                               throw new MWException( "Invalid external storage protocol - $storeUrl" );
+                       }
+                       try {
+                               $url = $store->store( $params, $data ); // Try to save the object
+                       } catch ( DBConnectionError $error ) {
+                               $url = false;
+                       } catch( DBQueryError $error ) {
+                               $url = false;
+                       }
+                       if ( $url ) {
+                               return $url; // Done!
+                       } else {
+                               unset( $tryStores[$index] ); // Don't try this one again!
+                               $tryStores = array_values( $tryStores ); // Must have consecutive keys
+                               wfDebugLog( 'ExternalStorage', "Unable to store text to external storage $storeUrl" );
+                       }
+               }
+               // All stores failed
+               if ( $error ) {
+                       // Rethrow the last connection error
+                       throw $error;
+               } else {
+                       throw new MWException( "Unable to store text to external storage" );
+               }
+       }
 }