public AccountModel SignIn(AccountModel account)
        {
            var registeredAccount = _accountService.Exists(account);

            return(registeredAccount != null &&
                   BCryptPasswordEncoder.Validate(account.PasswordHash, registeredAccount.PasswordHash)
                ? registeredAccount
                : null);
        }
        public bool SignUp(CompositeModel model)
        {
            try
            {
                model.Account.PasswordHash = BCryptPasswordEncoder.Hash(model.Account.PasswordHash);
                var user = _userService.Save(model.User);
                model.Account.User.Id = user.Id;
                var role = _roleService.Save(model.Role);
                model.Account.Role.Id = role.Id;
                _accountService.Save(model.Account);
            }
            catch
            {
                return(false);
            }

            return(true);
        }