From 59fca1594c31838181ff2d1875737e1119b52b0e Mon Sep 17 00:00:00 2001
From: Kunal Mehta <legoktm@member.fsf.org>
Date: Thu, 10 Dec 2015 10:51:27 -0800
Subject: [PATCH] mw.messagePoster: Support foreign wikis

Allow passing in an external api.php URL to post a message on a remote
wiki. Note that the remote content model must have its messagePoster
implementation registered on the local wiki for this to work.

Bug: T111590
Change-Id: Id52b7d3a12ed5e57e29d3f22fb7f4f36b8a908b1
---
 resources/Resources.php                       |  1 +
 ...iki.messagePoster.WikitextMessagePoster.js |  5 +++--
 .../mediawiki.messagePoster.factory.js        | 22 +++++++++++++------
 3 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/resources/Resources.php b/resources/Resources.php
index 4657a6a8c7..d7320f54e0 100644
--- a/resources/Resources.php
+++ b/resources/Resources.php
@@ -1065,6 +1065,7 @@ return array(
 		'dependencies' => array(
 			'oojs',
 			'mediawiki.api',
+			'mediawiki.ForeignApi',
 		),
 		'targets' => array( 'desktop', 'mobile' ),
 	),
diff --git a/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.WikitextMessagePoster.js b/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.WikitextMessagePoster.js
index ad01865620..862454d88b 100644
--- a/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.WikitextMessagePoster.js
+++ b/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.WikitextMessagePoster.js
@@ -8,9 +8,10 @@
 	 *
 	 * @constructor
 	 * @param {mw.Title} title Wikitext page in a talk namespace, to post to
+	 * @param {mw.Api} api mw.Api object to use
 	 */
-	function WikitextMessagePoster( title ) {
-		this.api = new mw.Api();
+	function WikitextMessagePoster( title, api ) {
+		this.api = api;
 		this.title = title;
 	}
 
diff --git a/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.factory.js b/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.factory.js
index 4d0231f3f6..b6dc2b4566 100644
--- a/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.factory.js
+++ b/resources/src/mediawiki.messagePoster/mediawiki.messagePoster.factory.js
@@ -8,7 +8,6 @@
 	 * @singleton
 	 */
 	function MwMessagePosterFactory() {
-		this.api = new mw.Api();
 		this.contentModelToClass = {};
 	}
 
@@ -50,6 +49,7 @@
 	 * API and ResourceLoader requests in the background.
 	 *
 	 * @param {mw.Title} title Title that will be posted to
+	 * @param {string} [apiUrl] api.php URL if the title is on another wiki
 	 * @return {jQuery.Promise} Promise resolving to a mw.messagePoster.MessagePoster.
 	 *   For failure, rejected with up to three arguments:
 	 *
@@ -57,11 +57,17 @@
 	 *   - error Error explanation
 	 *   - details Further error details
 	 */
-	MwMessagePosterFactory.prototype.create = function ( title ) {
-		var pageId, page, contentModel, moduleName,
+	MwMessagePosterFactory.prototype.create = function ( title, apiUrl ) {
+		var pageId, page, contentModel, moduleName, api,
 			factory = this;
 
-		return this.api.get( {
+		if ( apiUrl ) {
+			api = new mw.ForeignApi( apiUrl );
+		} else {
+			api = mw.Api();
+		}
+
+		return api.get( {
 			action: 'query',
 			prop: 'info',
 			indexpageids: true,
@@ -76,7 +82,8 @@
 				return mw.loader.using( moduleName ).then( function () {
 					return factory.createForContentModel(
 						contentModel,
-						title
+						title,
+						api
 					);
 				}, function () {
 					return $.Deferred().reject( 'failed-to-load-module', 'Failed to load the \'' + moduleName + '\' module' );
@@ -96,11 +103,12 @@
 	 *
 	 * @param {string} contentModel Content model of title
 	 * @param {mw.Title} title Title being posted to
+	 * @param {mw.Api} api mw.Api instance that the instance should use
 	 * @return {mw.messagePoster.MessagePoster}
 	 *
 	 */
-	MwMessagePosterFactory.prototype.createForContentModel = function ( contentModel, title ) {
-		return new this.contentModelToClass[ contentModel ]( title );
+	MwMessagePosterFactory.prototype.createForContentModel = function ( contentModel, title, api ) {
+		return new this.contentModelToClass[ contentModel ]( title, api );
 	};
 
 	mw.messagePoster = {
-- 
2.20.1