private TermCategory GetTermCategory(TermCategory request)
        {
            var          id    = request?.Id;
            TermCategory ret   = null;
            var          query = DocQuery.ActiveQuery ?? Execute;

            DocPermissionFactory.SetSelect <TermCategory>(currentUser, "TermCategory", request.Select);

            DocEntityTermCategory entity = null;

            if (id.HasValue)
            {
                entity = DocEntityTermCategory.Get(id.Value);
            }
            if (null == entity)
            {
                throw new HttpError(HttpStatusCode.NotFound, $"No TermCategory found for Id {id.Value}");
            }

            if (!DocPermissionFactory.HasPermission(entity, currentUser, DocConstantPermission.VIEW))
            {
                throw new HttpError(HttpStatusCode.Forbidden, "You do not have VIEW permission for this route.");
            }

            ret = entity?.ToDto();
            return(ret);
        }
        public TermCategory Post(TermCategoryCopy request)
        {
            TermCategory ret = null;

            using (Execute)
            {
                Execute.Run(ssn =>
                {
                    var entity = DocEntityTermCategory.Get(request?.Id);
                    if (null == entity)
                    {
                        throw new HttpError(HttpStatusCode.NoContent, "The COPY request did not succeed.");
                    }
                    if (!DocPermissionFactory.HasPermission(entity, currentUser, DocConstantPermission.ADD))
                    {
                        throw new HttpError(HttpStatusCode.Forbidden, "You do not have ADD permission for this route.");
                    }

                    var pName           = entity.Name;
                    var pParentCategory = entity.ParentCategory;
                    var pScope          = entity.Scope;
                    var pTerms          = entity.Terms.ToList();
                    var copy            = new DocEntityTermCategory(ssn)
                    {
                        Hash             = Guid.NewGuid()
                        , Name           = pName
                        , ParentCategory = pParentCategory
                        , Scope          = pScope
                    };
                    foreach (var item in pTerms)
                    {
                        entity.Terms.Add(item);
                    }

                    copy.SaveChanges(DocConstantPermission.ADD);
                    ret = copy.ToDto();
                });
            }
            return(ret);
        }