/// <summary>
        /// Converts viewmodel to model
        /// </summary>
        /// <param name="model">The model.</param>
        /// <returns></returns>
        public static AppointmentLengthModel ToModel(this AppointmentLengthViewModel model)
        {
            if (model == null)
            {
                return(null);
            }
            var entity = new AppointmentLengthModel
            {
                AppointmentTypeID   = model.AppointmentTypeID,
                AppointmentLengthID = model.AppointmentLengthID,
                AppointmentLength   = model.AppointmentLength,
                ModifiedOn          = model.ModifiedOn
            };

            return(entity);
        }
        /// <summary>
        /// To the view model.
        /// </summary>
        /// <param name="entity">The entity.</param>
        /// <returns></returns>
        public static AppointmentLengthViewModel ToViewModel(this AppointmentLengthModel entity)
        {
            if (entity == null)
            {
                return(null);
            }

            var model = new AppointmentLengthViewModel
            {
                AppointmentTypeID   = entity.AppointmentTypeID,
                AppointmentLength   = entity.AppointmentLength,
                AppointmentLengthID = entity.AppointmentLengthID,
                ModifiedOn          = entity.ModifiedOn
            };

            return(model);
        }