public async Task <IActionResult> ExternalLoginConfirmation(ExternalLoginViewModel model, string returnUrl = null)
{
if (ModelState.IsValid)
{
// Get the information about the user from the external login provider
ExternalLoginInfo info = await signInManager.GetExternalLoginInfoAsync();
if (info == null)
{
TempData.AddErrorMessage(WebConstants.ErrorTryAgain);
return(RedirectToHome());
}
Picture profilePicture = new Picture();
Stream stream = new MemoryStream(model.ProfilePictureBytes);
Image pictureImage = Image.FromStream(stream);
bool imageInsertSuccess = await pictureService.InsertAsync(profilePicture, pictureImage); // inserts image into database and file system
if (!imageInsertSuccess) // if something with the image goes wrong return error
{
TempData.AddErrorMessage(WebConstants.ErrorTryAgain);
return(View(nameof(ExternalLogin), model));
}
string[] personalNames = AuthenticationHelpers.GetNamesFromExternalLogin(model.Username); // Extracts the first and last name of the person
User user = new User
{
UserName = AuthenticationHelpers.GenerateUniqueUsername(personalNames[0], personalNames[1]),
Email = model.Email,
FirstName = personalNames[0],
LastName = personalNames[1],
PhoneNumber = model.PhoneNumber,
ProfilePictureFileName = profilePicture.FileName
};
IdentityResult result = await userManager.CreateAsync(user);
if (result.Succeeded)
{
result = await userManager.AddLoginAsync(user, info);
if (result.Succeeded)
{
await signInManager.SignInAsync(user, isPersistent : false);
return(RedirectToLocal(returnUrl));
}
}
AddErrors(result);
}
ViewData["ReturnUrl"] = returnUrl;
return(View(nameof(ExternalLogin), model));
}
