async Task LoginAsync()
{
IsLoggedIn = false;
var auth = Xamarin.Forms.DependencyService.Get <IAuthenticator>();
var data = await auth.Authenticate(authority, ResourceID, clientId, returnUri);
if (data != null)
{
var account = new Account
{
Username = $"{data.UserInfo.GivenName} {data.UserInfo.FamilyName}"
};
account.Properties.Add("access_token", data.AccessToken);
account.Properties.Add("expiration", data.ExpiresOn.UtcDateTime.ToString());
account.Properties.Add("userId", data.UserInfo.UniqueId);
AccountStore.Create().Save(account, "MyExpenses");
App._token = data.AccessToken;
//User = data.UserInfo;
IsLoggedIn = true;
if (ReportDatabase == null)
{
ReportDatabase = new MyExpensesAzureService();
}
ReportDatabase.AuthenticateClientAsync(data.AccessToken);
}
else
{
IsLoggedIn = false;
}
}
public async Task InitiateLoginAsync()
{
var account = AccountStore.Create().FindAccountsForService("MyExpenses").FirstOrDefault();
string accessToken = account?.Properties["access_token"] ?? string.Empty;
if (string.IsNullOrEmpty(accessToken))
{
await LoginAsync();
}
else
{
string expirationString = account?.Properties["expiration"] ?? DateTime.UtcNow.ToString();
DateTime expiration = DateTime.Parse(expirationString);
if (expiration > DateTime.Now)
{
//All good and continue
UserId = account.Properties["userId"];
IsLoggedIn = true;
if (ReportDatabase == null)
{
ReportDatabase = new MyExpensesAzureService();
}
ReportDatabase.AuthenticateClientAsync(accessToken);
}
else
{
await LoginAsync();
}
}
}
