/// <summary>
        /// Creates a new calendar
        /// </summary>
        /// <param name="calendar">The calendar which should be created in the database</param>
        /// <param name="creatorId">The id of the user who created the calendar</param>
        /// <returns>The newly created calendar</returns>
        public static ECalendar CreateCalendar(ECalendar calendar, int creatorId)
        {
            var db = ApplicationContext.Current.DatabaseContext.Database;

            var args = new CalendarCreationEventArgs {
                Calendar = calendar
            };

            OnCreating(args);

            if (args.Cancel)
            {
                return(calendar);
            }

            db.Save(calendar);

            //Update usersettings and add the newly created calendar to the allowed calendar
            SecurityService.AddCalendarToUser(creatorId, calendar.Id);

            var args2 = new CalendarCreatedEventArgs {
                Calendar = calendar
            };

            OnCreated(args2);

            return(calendar);
        }
        public static void OnCreating(CalendarCreationEventArgs e)
        {
            EventHandler <CalendarCreationEventArgs> handler = Creating;

            if (handler != null)
            {
                handler(null, e);
            }
        }