public async Task <ActionResult> Login(LoginViewModel model, string returnUrl)
{
if (!ModelState.IsValid)
{
return(View(model));
}
byte[] instagramUserCookies = null;
bool authenticated = _instagramAPI.TryAuthenticate(model.Username, model.Password, out instagramUserCookies);
if (authenticated)
{
var newUser = new ApplicationUser();
string primaryKey = _instagramAPI.GetCurrentUserPrimaryKey();
if (string.IsNullOrEmpty(primaryKey))
{
ModelState.AddModelError("", "Authentication error. Try later.");
return(View(model));
}
newUser.InstagramPK = primaryKey;
newUser.StateData = instagramUserCookies;
newUser.Username = model.Username;
var foundUser = await _repository.GetAsync <ApplicationUser>(u => u.InstagramPK == primaryKey);
if (foundUser == null)
{
newUser.Subscriptions = _instagramAPI.GetUserSubscriptionsByUsername(model.Username);
newUser.LastUpdateDate = DateTime.Now;
await _repository.CreateAsync <ApplicationUser>(newUser);
}
else
{
foundUser.StateData = instagramUserCookies;
//Maybe user has been changed his username after last authorization
foundUser.Username = model.Username;
await _repository.UpdateAsync <ApplicationUser>(foundUser);
}
Session["PrimaryKey"] = primaryKey;
Session["Authorized"] = true;
Session["UserName"] = model.Username;
return(RedirectToLocal(returnUrl));
}
else
{
ModelState.AddModelError("", "Invalid login attempt.");
return(View(model));
}
}
