1 files changed, 102 insertions, 0 deletions
diff --git a/www/wiki/resources/src/mediawiki/api/options.js b/www/wiki/resources/src/mediawiki/api/options.js
new file mode 100644
index 00000000..4930c4fc
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+++ b/www/wiki/resources/src/mediawiki/api/options.js
@@ -0,0 +1,102 @@
+/**
+ * @class mw.Api.plugin.options
+ */
+( function ( mw, $ ) {
+
+	$.extend( mw.Api.prototype, {
+
+		/**
+		 * Asynchronously save the value of a single user option using the API. See #saveOptions.
+		 *
+		 * @param {string} name
+		 * @param {string|null} value
+		 * @return {jQuery.Promise}
+		 */
+		saveOption: function ( name, value ) {
+			var param = {};
+			param[ name ] = value;
+			return this.saveOptions( param );
+		},
+
+		/**
+		 * Asynchronously save the values of user options using the API.
+		 *
+		 * If a value of `null` is provided, the given option will be reset to the default value.
+		 *
+		 * Any warnings returned by the API, including warnings about invalid option names or values,
+		 * are ignored. However, do not rely on this behavior.
+		 *
+		 * If necessary, the options will be saved using several sequential API requests. Only one promise
+		 * is always returned that will be resolved when all requests complete.
+		 *
+		 * @param {Object} options Options as a `{ name: value, … }` object
+		 * @return {jQuery.Promise}
+		 */
+		saveOptions: function ( options ) {
+			var name, value, bundleable,
+				grouped = [],
+				promise = $.Deferred().resolve();
+
+			for ( name in options ) {
+				value = options[ name ] === null ? null : String( options[ name ] );
+
+				// Can we bundle this option, or does it need a separate request?
+				if ( this.defaults.useUS ) {
+					bundleable = name.indexOf( '=' ) === -1;
+				} else {
+					bundleable =
+						( value === null || value.indexOf( '|' ) === -1 ) &&
+						( name.indexOf( '|' ) === -1 && name.indexOf( '=' ) === -1 );
+				}
+
+				if ( bundleable ) {
+					if ( value !== null ) {
+						grouped.push( name + '=' + value );
+					} else {
+						// Omitting value resets the option
+						grouped.push( name );
+					}
+				} else {
+					if ( value !== null ) {
+						promise = promise.then( function ( name, value ) {
+							return this.postWithToken( 'csrf', {
+								formatversion: 2,
+								action: 'options',
+								optionname: name,
+								optionvalue: value
+							} );
+						}.bind( this, name, value ) );
+					} else {
+						// Omitting value resets the option
+						promise = promise.then( function ( name ) {
+							return this.postWithToken( 'csrf', {
+								formatversion: 2,
+								action: 'options',
+								optionname: name
+							} );
+						}.bind( this, name ) );
+					}
+				}
+			}
+
+			if ( grouped.length ) {
+				promise = promise.then( function () {
+					return this.postWithToken( 'csrf', {
+						formatversion: 2,
+						action: 'options',
+						change: grouped
+					} );
+				}.bind( this ) );
+			}
+
+			return promise;
+		}
+
+	} );
+
+	/**
+	 * @class mw.Api
+	 * @mixins mw.Api.plugin.options
+	 */
+
+}( mediaWiki, jQuery ) );