public async Task <IActionResult> CheckInviteAsync(Guid token) { var invite = await _inviteService.GetByIdAsync(token); if (invite != null) { if (invite.Disabled == false) { invite.Disabled = true; await _inviteService.UpdateAsync(invite); return(RedirectToAction("Register", "Account")); } else { return(Content("Недійсне запрошення!")); } } return(NotFound()); }