public PermissionVm Init(long userId, long?id)
        {
            var toRet = new PermissionVm
            {
                Statuses   = BlCode.LoadTable(userId, "PermissionStatus"),
                ActionMode = Enumerations.ActionMode.Add,
                Permission = new Permission {
                    Status = "A", Module = new Module()
                }
            };

            if (id != null)
            {
                var permission = LoadSingle(userId, Convert.ToInt64(id));
                toRet.Permission = permission;
                //Create roles tree
                var blRole = new BlRole();
                var roles  = blRole.LoadForPermission(userId, permission.Module.Id, permission.Code);

                toRet.RolesTree = new JavaScriptSerializer().Serialize((from r in roles
                                                                        select new TreeItemVm
                {
                    id = r.Id.ToUiString(),
                    parent = r.ParentRole == null ? "#" : r.ParentRole.Id.ToString(),
                    text = r.Code ?? "",
                    icon = "fa fa-users colorMain",
                    state = "{\"checked\": \"" + (r.IsActive ? "true" : "false") + "\"}",
                    li_attr = "{\"class\" : \"form-control-label\"}"
                }));
                toRet.Signature  = BlCommon.GetSignature(toRet.Permission.UserId, toRet.Permission.EntryDate);
                toRet.ActionMode = Enumerations.ActionMode.Edit;
            }

            return(toRet);
        }
        public PermissionVm Save(long userId, PermissionVm toSave)
        {
            var permission = toSave.Permission;

            PreSave(userId, ref permission, toSave.ActionMode, toSave.RolesTree);
            toSave.Permission = permission;

            switch (toSave.ActionMode)
            {
            case Enumerations.ActionMode.Add:
                toSave.Permission = Create(userId, toSave.Permission);
                break;

            case Enumerations.ActionMode.Edit:
                toSave.Permission = Edit(userId, toSave.Permission);
                break;
            }

            return(Init(userId, toSave.Permission.Id));
        }