update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/CustomVariables/angularjs/manage-custom-vars/manage-custom-vars.model.js

@@ -0,0 +1,59 @@
+/*!
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+(function () {
+    angular.module('piwikApp').factory('manageCustomVarsModel', manageCustomVarsModel);
+
+    manageCustomVarsModel.$inject = ['piwikApi'];
+
+    function manageCustomVarsModel(piwikApi) {
+
+        var model = {
+            customVariables : [],
+            extractions : [],
+            isLoading: false,
+            fetchUsages: fetchUsages,
+            hasCustomVariablesInGeneral: false,
+            hasAtLeastOneUsage: false,
+            numSlotsAvailable: 5,
+        };
+
+        return model;
+
+        function fetchCustomVariables() {
+            return piwikApi.fetch({method: 'CustomVariables.getCustomVariables', period: 'year', date: 'today', filter_limit: 1})
+                .then(function (customVariables) {
+                   model.hasCustomVariablesInGeneral = (customVariables && customVariables.length > 0);
+                });
+        }
+
+        function fetchUsages() {
+
+            model.isLoading = true;
+
+            fetchCustomVariables().then(function () {
+                return piwikApi.fetch({method: 'CustomVariables.getUsagesOfSlots'});
+
+            }).then(function (customVariables) {
+                model.customVariables = customVariables;
+
+                angular.forEach(customVariables, function (customVar) {
+                    if (customVar.index > model.numSlotsAvailable) {
+                        model.numSlotsAvailable = customVar.index;
+                    }
+
+                    if (customVar.usages && customVar.usages.length > 0) {
+                        model.hasAtLeastOneUsage = true;
+                    }
+                });
+
+            })['finally'](function () {    // .finally() is not IE8 compatible see https://github.com/angular/angular.js/commit/f078762d48d0d5d9796dcdf2cb0241198677582c
+                model.isLoading = false;
+            });
+        }
+
+    }
+})();