public HttpResponseMessage RemoveGroup(PhoneBookModel phonebookInfo)
        {
            var principal = Thread.CurrentPrincipal;

            if (!principal.Identity.IsAuthenticated)
            {
                throw new BusinessException(HttpStatusCode.Accepted, ErrorCode.AccountIsInvalid, Language.GetString("AccountIsInvalid"));
            }

            Common.User userInfo = ((MyPrincipal)principal).UserDetails;

            Facade.PhoneBook.DeleteItemFromPhoneBook(phonebookInfo.PhoneBookGuid);

            PhoneBookResponse response = new PhoneBookResponse();

            response.IsSuccessful = true;

            return(Request.CreateResponse(HttpStatusCode.OK, response));
        }
        public HttpResponseMessage AddGroup(PhoneBookModel phonebookInfo)
        {
            Common.PhoneBook              phoneBook         = new Common.PhoneBook();
            PhoneBookResponseModel        phonebookResponse = new PhoneBookResponseModel();
            List <PhoneBookResponseModel> lstGroups         = new List <PhoneBookResponseModel>();

            var principal = Thread.CurrentPrincipal;

            if (!principal.Identity.IsAuthenticated)
            {
                throw new BusinessException(HttpStatusCode.Accepted, ErrorCode.AccountIsInvalid, Language.GetString("AccountIsInvalid"));
            }

            if (string.IsNullOrEmpty(phonebookInfo.Name))
            {
                throw new BusinessException(HttpStatusCode.Accepted, ErrorCode.BadRequest, Language.GetString("BadRequest"));
            }

            Common.User userInfo = ((MyPrincipal)principal).UserDetails;

            phoneBook.Name       = phonebookInfo.Name;
            phoneBook.ParentGuid = Guid.Empty;
            phoneBook.IsPrivate  = false;
            phoneBook.UserGuid   = userInfo.UserGuid;
            phoneBook.CreateDate = DateTime.Now;
            phoneBook.Type       = (int)PhoneBookGroupType.Normal;
            Guid guid = Facade.PhoneBook.InsertItemInPhoneBook(phoneBook);

            phonebookResponse.Name          = phoneBook.Name;
            phonebookResponse.PhoneBookGuid = guid;

            lstGroups.Add(phonebookResponse);
            PhoneBookResponse response = new PhoneBookResponse();

            response.IsSuccessful = true;
            response.PhoneBooks   = lstGroups;

            return(Request.CreateResponse(HttpStatusCode.OK, response));
        }