Rock.Model.GroupService.Delete C# (CSharp) Method

        public override bool Delete( Group item )
        {
            string message;
            if ( !CanDelete( item, out message ) )
            {
                return false;
            }

            return base.Delete( item );
        }

    /// <summary>
    /// Handles the Delete event of the gGroups control.
    /// </summary>
    /// <param name="sender">The source of the event.</param>
    /// <param name="e">The <see cref="RowEventArgs" /> instance containing the event data.</param>
    protected void gGroups_Delete( object sender, RowEventArgs e )
    {
        RockTransactionScope.WrapTransaction( () =>
            {
                GroupService groupService = new GroupService();
                AuthService authService = new AuthService();
                Group group = groupService.Get( (int)e.RowKeyValue );

                if ( group != null )
                {
                    string errorMessage;
                    if ( !groupService.CanDelete( group, out errorMessage ) )
                    {
                        mdGridWarning.Show( errorMessage, ModalAlertType.Information );
                        return;
                    }

                    bool isSecurityRoleGroup = group.IsSecurityRole;
                    if ( isSecurityRoleGroup )
                    {
                        foreach ( var auth in authService.Queryable().Where( a => a.GroupId.Equals( group.Id ) ).ToList() )
                        {
                            authService.Delete( auth, CurrentPersonId );
                            authService.Save( auth, CurrentPersonId );
                        }
                    }

                    groupService.Delete( group, CurrentPersonId );
                    groupService.Save( group, CurrentPersonId );

                    if ( isSecurityRoleGroup )
                    {
                        Rock.Security.Authorization.Flush();
                        Rock.Security.Role.Flush( group.Id );
                    }
                }
            } );

        BindGrid();
    }