private async Task SignInAsync()
{
HasActiveTask = true;
try
{
_terminator = new CancellationTokenSource();
var token = new SignInToken { ID = _tuple.ID, Key = _tuple.Key };
var user = await _client.SignInAsync(_tuple.Server, token, _terminator.Token);
await _storage.StoreDataAsync("signin", new[] { _tuple });
var parameters = new Dictionary<string, object>
{
{ NavigationParameters.UserID, user.ID }
};
NavigationService.Navigate(NavigationRegistry.HomePage, parameters);
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
var template = new DialogTemplate
{
Title = "Something went wrong",
Content = $"There is a problem signing you in. Inquiring minds may find this information helpful: {ex.Message}",
PrimaryButtonText = "Close"
};
await _dialogService.ShowAsync(template);
}
finally
{
_terminator = null;
}
HasActiveTask = false;
}
public async Task<User> SignInAsync(string server, SignInToken token, CancellationToken terminator)
{
if (server == null)
throw new ArgumentNullException(nameof(server));
if (token == null)
throw new ArgumentNullException(nameof(token));
_server = server;
var uri = new Uri(FormattableString.Invariant($"{_server}/api/signin"));
var content = JsonObjectContent.Create(token);
using (var response = await _client.PostAsync(uri, content, terminator).ConfigureAwait(false))
{
await VerifyResponseAsync(response);
return await response.Content.ReadAsJsonObjectAsync<User>().ConfigureAwait(false);
}
}