private FacebookSession GetSessionToken(AccessToken accessToken)
{
var session = new FacebookSession()
{
Token = accessToken.TokenString,
UserId = accessToken.UserID,
};
var permissions = accessToken.Permissions.ToArray <NSString>();
foreach (var m in permissions)
{
session.Permissions.Add(m.ToString());
}
return(session);
}
private void GetUserInfo(List <string> fields, FacebookSession facebookSession, TaskCompletionSource <OperationResult <FacebookSession> > taskCompletionSource)
{
var builder = new StringBuilder();
fields.ForEach(m =>
{
builder.Append($"{m},");
});
var s = builder.ToString();
if (!String.IsNullOrWhiteSpace(s))
{
s = s.Substring(0, s.Length - 1);
}
var graphRequest = new GraphRequest($"/me?fields={s}", null, facebookSession.Token, null, "GET");
var requestConnection = new GraphRequestConnection();
requestConnection.AddRequest(graphRequest, (connection, result, error) =>
{
if (error != null)
{
taskCompletionSource.SetResult(
OperationResult <FacebookSession> .AsFailure(new ApplicationException(error.LocalizedDescription)));
return;
}
var r = result as NSDictionary;
var jsonData = r.ToDictionary();
facebookSession.Data = JObject.FromObject(jsonData);
taskCompletionSource.SetResult(OperationResult <FacebookSession> .AsSuccess(facebookSession));
});
requestConnection.Start();
}