public async Task <Session> LoginAsync(string provider)
{
Provider = provider;
try
{
Session session = null;
switch (provider)
{
case Constants.FacebookProvider:
session = await facebookService.LoginAsync();
break;
case Constants.MicrosoftProvider:
session = await microsoftService.LoginAsync();
break;
case Constants.GoogleProvider:
session = await googleService.LoginAsync();
break;
}
if (session == null)
{
return(null);
}
Save(session);
return(session);
}
catch (Exception ex)
{
}
return(null);
}
