public async Task <IActionResult> Login(LoginViewModel model, string returnUrl)
{
if (ModelState.IsValid)
{
if (_userSettings.UsernamesEnabled && model.Username != null)
{
model.Username = model.Username.Trim();
}
#region First time login
var userFirstTime = _userSettings.UsernamesEnabled
? await _userService.GetUserByUsernameAsync(model.Username)
: await _userService.GetUserByEmailAsync(model.Email);
if (userFirstTime == null)
{
ModelState.AddModelError(string.Empty, "Unknown user account");
_notificationService.ErrorNotification("Unknown user account");
model = await _userAccountModelFactory.PrepareLoginModel();
return(View(model));
}
if (userFirstTime.LastLoginDateUtc == null)
{
return(RedirectToAction("FirstTimeLogin", new { id = userFirstTime.Id }));
}
#endregion
var loginResult = await _userRegistrationService
.ValidateUserAsync(_userSettings.UsernamesEnabled?model.Username : model.Email, model.Password);
switch (loginResult)
{
case UserLoginResults.Successful:
{
var user = _userSettings.UsernamesEnabled
? await _userService.GetUserByUsernameAsync(model.Username)
: await _userService.GetUserByEmailAsync(model.Email);
//sign in new user
await _authenticationService.SignInAsync(user, model.RememberMe);
//activity log
await _userActivityService.InsertActivityAsync(user, "Login", $"Login ('{user.Username}')", user);
if (string.IsNullOrEmpty(returnUrl) || !Url.IsLocalUrl(returnUrl))
{
return(RedirectToRoute("HomePage"));
}
return(Redirect(returnUrl));
}
case UserLoginResults.UserNotExist:
ModelState.AddModelError(string.Empty, "No user account found");
_notificationService.ErrorNotification("No user account found");
break;
case UserLoginResults.Deleted:
ModelState.AddModelError(string.Empty, "User is deleted");
_notificationService.ErrorNotification("User is deleted");
break;
case UserLoginResults.NotActive:
ModelState.AddModelError(string.Empty, "Account is not active");
_notificationService.ErrorNotification("Account is not active");
break;
case UserLoginResults.NotRegistered:
ModelState.AddModelError(string.Empty, "Account is not registered");
_notificationService.ErrorNotification("Account is not registered");
break;
case UserLoginResults.LockedOut:
ModelState.AddModelError(string.Empty, "User is locked out");
_notificationService.ErrorNotification("User is locked out");
break;
default:
ModelState.AddModelError(string.Empty, "The credentials provided are incorrect");
_notificationService.ErrorNotification("The credentials provided are incorrect");
break;
}
}
//If we got this far, something failed, redisplay form
model = await _userAccountModelFactory.PrepareLoginModel();
return(View(model));
}