async void OnAuthCompleted(object sender, AuthenticatorCompletedEventArgs e)
{
var authenticator = sender as OAuth2Authenticator;
if (authenticator != null)
{
authenticator.Completed -= OnAuthCompleted;
authenticator.Error -= OnAuthError;
}
if (e.IsAuthenticated)
{
if (authenticator.AuthorizeUrl.Host == "www.facebook.com")
{
FacebookEmail facebookEmail = null;
var httpClient = new HttpClient();
var json = await httpClient.GetStringAsync($"https://graph.facebook.com/me?fields=id,name,first_name,last_name,email,picture.type(large)&access_token=" + e.Account.Properties["access_token"]);
facebookEmail = JsonConvert.DeserializeObject <FacebookEmail>(json);
await store.SaveAsync(account = e.Account, Constants.AppName);
Application.Current.Properties["IsLoggedIn"] = Boolean.TrueString;
bool newuser = false;
if (await FirebaseHelper.CheckFacebookEmail(facebookEmail.Email) == false)
{
await FirebaseHelper.AddFacebookUser(facebookEmail.Id, facebookEmail.Name, facebookEmail.First_Name, facebookEmail.Last_Name, facebookEmail.Email, facebookEmail.Picture);
newuser = true;
}
Application.Current.Properties.Remove("Id");
Application.Current.Properties.Remove("FirstName");
Application.Current.Properties.Remove("LastName");
Application.Current.Properties.Remove("DisplayName");
Application.Current.Properties.Remove("EmailAddress");
Application.Current.Properties.Remove("ProfilePicture");
Application.Current.Properties.Add("Id", facebookEmail.Id);
Application.Current.Properties.Add("FirstName", facebookEmail.First_Name);
Application.Current.Properties.Add("LastName", facebookEmail.Last_Name);
Application.Current.Properties.Add("DisplayName", facebookEmail.Name);
Application.Current.Properties.Add("EmailAddress", facebookEmail.Email);
Application.Current.Properties.Add("ProfilePicture", facebookEmail.Picture.Data.Url);
if (newuser)
{
await FirebaseHelper.AddPantryItem("Example Item", "5", "12/15");
}
App.Current.MainPage = new AppShell();
}
}
}
