optimized widget call by bundling all queries into one for #1428; fixes active users widget crash

also fixes b3819fd076 properly

public/src/ajaxify.js

@@ -93,7 +93,7 @@ var ajaxify = ajaxify || {};
 				templates.parse(tpl_url, data, function(template) {
 					translator.translate(template, function(translatedTemplate) {
 						$('#content').html(translatedTemplate);
-						ajaxify.widgets.render(tpl_url, function() {
+						ajaxify.widgets.render(tpl_url, url, function() {
 							if (typeof callback === 'function') {
 								callback();
 							}

public/src/widgets.js

@@ -1,5 +1,5 @@
 "use strict";
-/*global ajaxify, socket, templates*/
+/*global ajaxify, templates*/
 
 (function(ajaxify) {
 	ajaxify.widgets = {};
@@ -14,7 +14,7 @@
 		});
 	};
 
-	ajaxify.widgets.render = function(tpl_url, callback) {
+	ajaxify.widgets.render = function(template, url, callback) {
 		var widgetLocations = ['sidebar', 'footer', 'header'], numLocations;
 
 		$('#content [widget-area]').each(function() {
@@ -31,9 +31,14 @@
 		}
 		
 		function renderWidgets(location) {
-			var area = $('#content [widget-area="' + location + '"]');
+			var area = $('#content [widget-area="' + location + '"]'),
+				areaData = {
+					location: location,
+					template: template + '.tpl',
+					url: url
+				};
 
-			$.get(RELATIVE_PATH + '/api/widgets/render/' + tpl_url + '/' + location, function(renderedWidgets) {
+			$.get(RELATIVE_PATH + '/api/widgets/render', areaData, function(renderedWidgets) {
 				var html = '';
 
 				for (var i=0; i<renderedWidgets.length; ++i) {

src/controllers/api.js

@@ -81,10 +81,15 @@ apiController.getConfig = function(req, res, next) {
 apiController.renderWidgets = function(req, res, next) {
 	var uid = req.user ? req.user.uid : 0,
 		area = {
-			template: req.params.template + '.tpl',
-			location: req.params.location
+			template: req.query.template,
+			location: req.query.location,
+			url: req.query.url
 		};
 
+	if (!area.template || !area.location) {
+		return res.json(200, {});
+	}
+
 	widgets.render(uid, area, function(err, data) {
 		res.json(200, data);
 	});

src/routes/api.js

@@ -184,7 +184,7 @@ module.exports =  function(app, middleware, controllers) {
 	app.use('/api', router);
 
 	router.get('/config', controllers.api.getConfig);
-	router.get('/widgets/render/:template/:location/:term?', controllers.api.renderWidgets);
+	router.get('/widgets/render', controllers.api.renderWidgets);
 
 	router.get('/user/uid/:uid', middleware.checkGlobalPrivacySettings, controllers.accounts.getUserByUID);
 	router.get('/get_templates_listing', getTemplatesListing);

src/widgets.js

@@ -18,7 +18,6 @@ var async = require('async'),
 
 		var rendered = [];
 
-
 		async.parallel({
 			global: function(next) {
 				Widgets.getArea('global', area.location, next);