1 files changed, 163 insertions, 0 deletions
diff --git a/www/wiki/extensions/SemanticMediaWiki/res/smw/api/ext.smw.api.js b/www/wiki/extensions/SemanticMediaWiki/res/smw/api/ext.smw.api.js
new file mode 100644
index 00000000..e87dd505
--- /dev/null
+++ b/www/wiki/extensions/SemanticMediaWiki/res/smw/api/ext.smw.api.js
@@ -0,0 +1,163 @@
+/**
+ * This file is part of the Semantic MediaWiki Extension
+ * @see https://semantic-mediawiki.org/
+ *
+ * @section LICENSE
+ * 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
+ *
+ * @file
+ * @ignore
+ *
+ * @since 1.9
+ * @ingroup SMW
+ *
+ * @licence GNU GPL v2+
+ * @author mwjames
+ */
+( function( $, mw, smw ) {
+	'use strict';
+
+	/*global md5 */
+
+	/**
+	 * Constructor to create an object to interact with the Semantic
+	 * MediaWiki Api
+	 *
+	 * @since 1.9
+	 *
+	 * @class
+	 * @alias smw.api
+	 * @constructor
+	 */
+	smw.Api = function() {};
+
+	/* Public methods */
+
+	smw.Api.prototype = {
+
+		/**
+		 * Convenience method to parse and map a JSON string
+		 *
+		 * Emulates partly $.parseJSON (jquery.js)
+		 * (see https://web.archive.org/web/20170101125747/http://www.json.org/js.html)
+		 * @since  1.9
+		 *
+		 * @param {string} data
+		 *
+		 * @return {object|null}
+		 */
+		parse: function( data ) {
+
+			// Use smw.Api JSON custom parser to resolve raw data and add
+			// type hinting
+			var smwData = new smw.Data();
+
+			if ( !data || typeof data !== 'string' ) {
+				return null;
+			}
+
+			// Remove leading/trailing whitespace
+			data = $.trim(data);
+
+			// Attempt to parse using the native JSON parser first
+			if ( window.JSON && window.JSON.parse ) {
+				return JSON.parse( data, function ( key, value ) { return smwData.factory( key, value ); } );
+			}
+
+			// If the above fails, use jquery to do the rest
+			return $.parseJSON( data );
+		},
+
+		/**
+		 * Returns results from the SMWApi
+		 *
+		 * On the topic of converters (see http://bugs.jquery.com/ticket/9095)
+		 *
+		 * Example:
+		 *         var smwApi = new smw.Api();
+		 *         smwApi.fetch( query )
+		 *           .done( function ( data ) { } )
+		 *           .fail( function ( error ) { } );
+		 *
+		 * @since 1.9
+		 *
+		 * @param {string} queryString
+		 * @param {boolean|number} useCache
+		 *
+		 * @return {jQuery.Promise}
+		 */
+		fetch: function( queryString, useCache ){
+			var self = this,
+				apiDeferred = $.Deferred();
+
+			if ( !queryString || typeof queryString !== 'string' ) {
+				throw new Error( 'Invalid query string: ' + queryString );
+			}
+
+			// Look for a cache object otherwise do an Ajax call
+			if ( useCache ) {
+
+				// Use a hash key to compare queries and use it as identifier for
+				// stored resultObjects, each change in the queryString will result
+				// in another hash key which will ensure only objects are stored
+				// with this key can be reused
+				var hash = md5( queryString );
+
+				var resultObject = $.jStorage.get( hash );
+				if ( resultObject !== null ) {
+					var results = self.parse( resultObject );
+					results.isCached = true;
+					apiDeferred.resolve( results );
+					return apiDeferred.promise();
+				}
+			}
+
+			return $.ajax( {
+				url: mw.util.wikiScript( 'api' ),
+				dataType: 'json',
+				data: {
+					'action': 'ask',
+					'format': 'json',
+					'query' : queryString
+					},
+				converters: { 'text json': function ( data ) {
+					// Store only the string as we want to return a typed object
+					// If useCache is not a number use 15 min as default ttl
+					if ( useCache ){
+						$.jStorage.set( hash, data, {
+							TTL: $.type( useCache ) === 'number' ? useCache : 900000
+						} );
+					}
+
+					var results;
+
+					try {
+						results = self.parse( data );
+					} catch ( e ) {
+						console.log( e );
+						throw e;
+					}
+
+					results.isCached = false;
+					return results;
+				} }
+			} );
+		}
+	};
+
+	//Alias
+	smw.api = smw.Api;
+
+} )( jQuery, mediaWiki, semanticMediaWiki );