public static FacebookOAuthResult <FacebookUser> GetUserProfileSync(FacebookSignedRequest signedRequest, string fields)
{
if (signedRequest == null)
{
Logger.Current.Error("GetUserProfileSync", "The Facebook signed request is null. Cannot request the facebook profile");
return(null);
}
FacebookOAuthResult <FacebookUser> result = new FacebookOAuthResult <FacebookUser>();
if (string.IsNullOrEmpty(fields))
{
fields = "likes.offset(0).limit(1000),id,name,first_name,last_name,gender,locale,picture,hometown,link,birthday,location,meeting_for,email,timezone,relationship_status,significant_other";
}
IStopwatch watch = MonitoringTimers.Current.GetNewStopwatch(true);
try
{
dynamic d = GetUserProfileFieldSync(signedRequest.UserID, fields, signedRequest.AccessToken);
if ((bool)d.CredentialsHaveExpired)
{
result.SetHasExpired();
}
result.Data = ConvertToFacebookUser(d);
}
catch (FacebookOAuthException)
{
result.SetHasExpired();
}
catch (Exception e)
{
Logger.Current.Error("Profile.GetUserProfileSync", "Could not retrieve Facebook user's profile information", e);
}
finally
{
watch.Stop();
var counter = Counters.Facebook_GetUserProfile;
if (fields.Contains("likes"))
{
counter = Counters.Facebook_GetUserLikesAndProfile;
}
MonitoringTimers.Current.AddTime(counter, watch);
}
return(result);
}
public static FacebookOAuthResult <FacebookLikes> GetAllUserLikes(string facebookId, string accessToken)
{
FacebookOAuthResult <FacebookLikes> result = new FacebookOAuthResult <FacebookLikes>();
result.Data = new FacebookLikes();
IStopwatch watch = MonitoringTimers.Current.GetNewStopwatch(true);
try
{
result.Data.Next = facebookId + "/likes?format=json&limit=5000";
do
{
dynamic d = GraphAPI.Get(result.Data.Next, accessToken);
FacebookLikes pageResult = ConvertToFacebookLikes(d);
if (pageResult.Likes != null && pageResult.Likes.Count > 0)
{
result.Data.Likes.AddRange(pageResult.Likes);
result.Data.Next = pageResult.Next;
if (pageResult.Likes.Count < 5000)
{
result.Data.Next = null;
}
}
else
{
result.Data.Next = null;
}
}while (!string.IsNullOrEmpty(result.Data.Next));
}
catch (FacebookOAuthException)
{
result.SetHasExpired();
}
catch (Exception e)
{
result.HasError = true;
Logger.Current.Error("SocialGraph.GetFriendIds", "Could not update a Facebook user's social graph", e);
}
finally
{
//TODO : ajouter un compteur sur le nombre de like récupérés
watch.Stop();
MonitoringTimers.Current.AddTime(Counters.Facebook_GetUserLikes, watch);
}
return(result);
}
/// <summary>
/// Renew a user's Facebook access_token using the "code" parameter passed by Facebook
/// </summary>
public static FacebookOAuthResult <string> ExchangeCodeForAccessToken(string applicationId, string secretKey, string code, out DateTime expires)
{
FacebookOAuthResult <string> result = new FacebookOAuthResult <string>();
expires = DateTime.MinValue;
string url = string.Format(RenewAccessTokenURL,
applicationId,
secretKey,
code);
try
{
Logger.Current.Debug("ExchangeCodeForAccessToken", "Getting new access_token", url);
string s = GraphAPI.GetRaw(url);
if (s.StartsWith("access_token="))
{
string[] split = s.Split('&');
string accessToken = split[0].Substring(split[0].IndexOf('=') + 1);
double expiresInSeconds = double.Parse(split[1].Substring(split[1].IndexOf('=') + 1));
expires = DateTime.UtcNow.AddSeconds(expiresInSeconds);
result.Data = accessToken;
}
}
catch (FacebookOAuthException fbe)
{
Logger.Current.Error("ExchangeCodeForAccessToken", "Error getting new access_token", fbe, url);
result.SetHasExpired();
}
catch (Exception e)
{
Logger.Current.Error("Authentication.RenewAccessToken", "Could not renew the user's access_token", e);
}
return(result);
}
public static FacebookOAuthResult <dynamic> GetUserProfileFieldSync(string facebookId, string fields, string accessToken)
{
FacebookOAuthResult <dynamic> result = new FacebookOAuthResult <dynamic>();
IStopwatch watch = MonitoringTimers.Current.GetNewStopwatch(true);
try
{
dynamic d = GraphAPI.Get(
string.Format("{0}?fields={1}",
facebookId,
fields), accessToken);
result.Data = d;
}
catch (FacebookOAuthException)
{
result.SetHasExpired();
}
catch (Exception e)
{
Logger.Current.Error("Profile.GetUserProfileFieldSync", "Could not retrieve Facebook user's profile field", e, fields);
}
finally
{
watch.Stop();
var counter = Counters.Facebook_GetUserProfile;
if (fields.Contains("likes"))
{
counter = Counters.Facebook_GetUserLikesAndProfile;
}
MonitoringTimers.Current.AddTime(counter, watch);
}
return(result);
}