front-end side privileges

angular_app/index.html

@@ -52,7 +52,7 @@
                     <div ng-if="logo.imgURL" class="navbar-brand"><a ng-if="logo.link" href="{{logo.link}}" target="_blank"><img src="{{logo.imgURL}}" /></a></div>
                     <ul class="nav navbar-nav">
                         <li ng-class="{active: isActive('/events') || isActive('/event')}"><a ui-sref="events">{{'Events' | translate}}</a></li>
-                        <li ng-class="{active: isActive('/persons') ||  isActive('/person') || isActive('/import/persons')}"><a ui-sref="persons">{{'Persons' | translate}}</a></li>
+                        <li ng-if="requires('admin')" ng-class="{active: isActive('/persons') ||  isActive('/person') || isActive('/import/persons')}"><a ui-sref="persons">{{'Persons' | translate}}</a></li>
                     </ul>
                 </div>
                 <div class="collapse navbar-collapse">

angular_app/js/app.js

@@ -28,8 +28,8 @@ var eventManApp = angular.module('eventManApp', [
 
 
 /* Add some utilities to the global scope. */
-eventManApp.run(['$rootScope', '$state', '$stateParams', '$log',
-    function($rootScope, $state, $stateParams, $log) {
+eventManApp.run(['$rootScope', '$state', '$stateParams', '$log', 'Info',
+    function($rootScope, $state, $stateParams, $log, Info) {
         $rootScope.app_uuid = guid();
         $log.debug('App UUID: ' + $rootScope.app_uuid);
         $rootScope.$state = $state;
@@ -37,6 +37,10 @@ eventManApp.run(['$rootScope', '$state', '$stateParams', '$log',
 
         $rootScope.error = {error: false};
 
+        Info.get({}, function(data) {
+            $rootScope.info = data || {};
+        });
+
         $rootScope.errorHandler = function(response) {
             $log.debug('Handling error message:');
             $log.debug(response);
@@ -52,6 +56,24 @@ eventManApp.run(['$rootScope', '$state', '$stateParams', '$log',
                 $rootScope.error.error = false;
             }
         };
+
+        /* Check GUI privileges. */
+        $rootScope.requires = function(permission) {
+            if (!($rootScope.info && $rootScope.info.user &&
+                        $rootScope.info.user.username && $rootScope.info.user.privileges)) {
+                return false;
+            }
+            var accepted = false;
+            angular.forEach($rootScope.info.user.privileges || [],
+                    function(value, idx) {
+                        if (value === permission) {
+                            accepted = true;
+                            return;
+                        }
+                    }
+            );
+            return accepted;
+        };
     }]
 );
 

angular_app/js/controllers.js

@@ -21,10 +21,6 @@ eventManControllers.controller('NavigationCtrl', ['$scope', '$rootScope', '$loca
             }
         });
 
-        Info.get({}, function(data) {
-            $rootScope.info = data || {};
-        });
-
         $scope.isActive = function(view) {
             if (view === $location.path()) {
                 return true;