(feat) "Materialization" of the IMIP handling template

UI/WebServerResources/js/Mailer/Message.service.js

@@ -291,6 +291,25 @@
       return Message.$$resource.post(this.$mailbox.$id(), 'addOrRemoveLabel', data);
   };
 
+  /**
+   * @function $imipAction
+   * @memberof Message.prototype
+   * @desc Perform IMIP actions on the current message.
+   * @param {string} path - the path of the IMIP calendar part 
+   * @param {string} action - the the IMIP action to perform
+   * @param {object} data - the delegation info 
+   */
+  Message.prototype.$imipAction = function(path, action, data) {
+    var _this = this;
+    Message.$$resource.post([this.id, path].join('/'), action, data).then(function(data) {
+      Message.$timeout(function() {
+        _this.$reload();
+      }, function() {
+        // TODO: show toast
+      });
+    });
+  };
+
   /**
    * @function $markAsFlaggedOrUnflagged
    * @memberof Message.prototype

UI/WebServerResources/js/Mailer/sgIMIP.directive.js

@@ -0,0 +1,54 @@
+/* -*- Mode: javascript; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+
+(function() {
+  'use strict';
+
+  /**
+   * sgIMIP - A directive to handle IMIP actions on emails
+   * @memberof SOGo.MailerUI
+   * @ngInject
+   * @example:
+
+   */
+  function sgImip() {
+    return {
+      restrict: 'A',
+      link: link,
+      controller: controller
+    };
+
+    function link(scope, iElement, attrs, ctrl) {
+      ctrl.pathToAttachment = attrs.sgImipPath;
+    }
+
+    controller.$inject = ['$scope', 'User'];
+    
+    function controller($scope, User) {
+      var vm = this;
+      $scope.delegateInvitation = false;
+      $scope.delegatedTo = '';
+      $scope.searchText = '';
+      
+      $scope.userFilter = function($query) {
+        return User.$filter($query);
+      };
+      
+      $scope.iCalendarAction = function(action) {
+      
+        var data;
+        
+        if (action == 'delegate') {
+          data = {receiveUpdates: false,
+                  delegatedTo: $scope.delegatedTo.c_email};
+        }
+
+        $scope.message.$imipAction(vm.pathToAttachment, action, data);
+      };
+    }
+  }
+    
+  angular
+    .module('SOGo.MailerUI')
+    .directive('sgImip', sgImip);
+})();
+