refactor widgets admin

so we dont load the widget-settings.tpl in the upgrade script and only load areas

src/upgrades/1.11.0/widget_visibility_groups.js

@@ -10,10 +10,10 @@ module.exports = {
 		const widgets = require('../../widgets');
 		async.waterfall([
 			function (next) {
-				widgetAdmin.get(next);
+				widgetAdmin.getAreas(next);
 			},
-			function (data, next) {
-				async.eachSeries(data.areas, function (area, next) {
+			function (areas, next) {
+				async.eachSeries(areas, function (area, next) {
 					if (area.data.length) {
 						// area.data is actually an array of widgets
 						area.widgets = area.data;

src/widgets/admin.js

@@ -5,7 +5,6 @@ var path = require('path');
 var async = require('async');
 var nconf = require('nconf');
 var benchpress = require('benchpressjs');
-var winston = require('winston');
 
 var plugins = require('../plugins');
 var groups = require('../groups');
@@ -14,7 +13,24 @@ var admin = module.exports;
 
 admin.get = function (callback) {
 	async.parallel({
-		areas: function (next) {
+		areas: admin.getAreas,
+		availableWidgets: getAvailableWidgets,
+	}, function (err, widgetData) {
+		if (err) {
+			return callback(err);
+		}
+
+		callback(false, {
+			templates: buildTemplatesFromAreas(widgetData.areas),
+			areas: widgetData.areas,
+			availableWidgets: widgetData.availableWidgets,
+		});
+	});
+};
+
+admin.getAreas = function (callback) {
+	async.waterfall([
+		function (next) {
 			var defaultAreas = [
 				{ name: 'Global Sidebar', template: 'global', location: 'sidebar' },
 				{ name: 'Global Header', template: 'global', location: 'header' },
@@ -26,61 +42,36 @@ admin.get = function (callback) {
 
 			plugins.fireHook('filter:widgets.getAreas', defaultAreas, next);
 		},
-		widgets: function (next) {
+		function (areas, next) {
+			areas.push({ name: 'Draft Zone', template: 'global', location: 'drafts' });
+			async.map(areas, function (area, next) {
+				require('./index').getArea(area.template, area.location, function (err, areaData) {
+					area.data = areaData;
+					next(err, area);
+				});
+			}, next);
+		},
+	], callback);
+};
+
+function getAvailableWidgets(callback) {
+	async.parallel({
+		availableWidgets: function (next) {
 			plugins.fireHook('filter:widgets.getWidgets', [], next);
 		},
 		adminTemplate: function (next) {
 			renderAdminTemplate(next);
 		},
-	}, function (err, widgetData) {
+	}, function (err, results) {
 		if (err) {
 			return callback(err);
 		}
-		widgetData.areas.push({ name: 'Draft Zone', template: 'global', location: 'drafts' });
-
-		async.each(widgetData.areas, function (area, next) {
-			require('./index').getArea(area.template, area.location, function (err, areaData) {
-				area.data = areaData;
-				next(err);
-			});
-		}, function (err) {
-			if (err) {
-				return callback(err);
-			}
-
-			widgetData.widgets.forEach(function (w) {
-				w.content += widgetData.adminTemplate;
-			});
-
-			var templates = [];
-			var list = {};
-			var index = 0;
-
-			widgetData.areas.forEach(function (area) {
-				if (typeof list[area.template] === 'undefined') {
-					list[area.template] = index;
-					templates.push({
-						template: area.template,
-						areas: [],
-					});
-
-					index += 1;
-				}
-
-				templates[list[area.template]].areas.push({
-					name: area.name,
-					location: area.location,
-				});
-			});
-
-			callback(false, {
-				templates: templates,
-				areas: widgetData.areas,
-				availableWidgets: widgetData.widgets,
-			});
+		results.availableWidgets.forEach(function (w) {
+			w.content += results.adminTemplate;
 		});
+		callback(null, results.availableWidgets);
 	});
-};
+}
 
 function renderAdminTemplate(callback) {
 	async.waterfall([
@@ -98,10 +89,29 @@ function renderAdminTemplate(callback) {
 }
 
 function getSource(callback) {
-	fs.readFile(path.resolve(nconf.get('views_dir'), 'admin/partials/widget-settings.tpl'), 'utf8', function (err, source) {
-		if (err) {
-			winston.error(err);
+	fs.readFile(path.resolve(nconf.get('views_dir'), 'admin/partials/widget-settings.tpl'), 'utf8', callback);
+}
+
+function buildTemplatesFromAreas(areas) {
+	const templates = [];
+	var list = {};
+	var index = 0;
+
+	areas.forEach(function (area) {
+		if (typeof list[area.template] === 'undefined') {
+			list[area.template] = index;
+			templates.push({
+				template: area.template,
+				areas: [],
+			});
+
+			index += 1;
 		}
-		callback(null, source || '');
+
+		templates[list[area.template]].areas.push({
+			name: area.name,
+			location: area.location,
+		});
 	});
+	return templates;
 }