public async Task <string> QrCode()
{
if (Logger.IsEnabled(LogLevel.Trace))
{
Logger.LogTrace("qrcode()");
}
string puppetId;
try
{
puppetId = Puppet !.SelfId !;
}
catch (Exception exception)
{
throw new InvalidOperationException("Can not get qrcode, user might be either not logged in or already logged out", exception);
}
if (Id != puppetId)
{
throw new InvalidOperationException("only can get qrcode for the login userself");
}
var qrCodeValue = await Puppet.ContactSelfQRCode();
return(qrCodeValue.GuardQrCodeValue());
}
