public async Task <RegisterResult> ValidateApprovalCode(ResetPasswordModel model)
        {
            var queryOptions = new QueryOptions <UserIdentity> {
                Filter = i => i.LoginEmail == model.Email
            };
            var identity = (await _identityService.GetUsersIdentities(queryOptions)).FirstOrDefault();

            if (identity == null)
            {
                return(new RegisterResult(OperationResultStatus.Error, "Specified email was not found"));
            }

            if (model.ApprovalCode == identity.EmailConfirmationCode && identity.EmailConfirmationAttempts <= 5)
            {
                identity.EmailConfirmationCode     = "";
                identity.EmailConfirmationAttempts = 0;
                await _identityService.UpdateUserIdentity(identity);

                var result = new RegisterResult(identity.Id);
                SignInRequest(result);
                return(result);
            }
            if (identity.EmailConfirmationAttempts <= 5)
            {
                identity.EmailConfirmationAttempts += 1;
                await _identityService.UpdateUserIdentity(identity);

                return(new RegisterResult(OperationResultStatus.Error, "Approval code is not correct"));
            }

            return(new RegisterResult(OperationResultStatus.Error, "Maximum attempts reached"));
        }