private object GetUser(Type modelType, string facebookId, global::Facebook.FacebookClient client)
{
var user = facebookUserStorageService.GetUser(facebookId);
//TODO: (ErikPo) Fill in the other half of this condition
if (user == null /* or this is the first time the app has started */)
{
object userFields = client.Get("me" + (!String.IsNullOrEmpty(fields) ? "?fields=" + fields.Replace(" ", String.Empty) : facebookService.GetFields(modelType)));
if (modelType == typeof(FacebookUser))
{
return(new FacebookUser {
Data = userFields
});
}
else if (modelType == typeof(object))
{
return((dynamic)userFields);
}
user = (FacebookUser)Activator.CreateInstance(modelType);
user.Data = userFields;
var facebookFields = GetUserFields(modelType);
PropertyInfo userProperty;
string facebookFieldName;
object fieldValue;
foreach (var field in facebookFields)
{
if (field.Value != null && field.Value.Ignore)
{
continue;
}
userProperty = field.Key;
facebookFieldName = field.Value != null ? field.Value.JsonField : String.Empty;
if (!String.IsNullOrEmpty(facebookFieldName))
{
fieldValue = GetFBFieldValue(userFields, facebookFieldName.Split('.'));
}
else
{
fieldValue = GetFBFieldValue(userFields, new[] { userProperty.Name });
}
if (fieldValue != null)
{
userProperty.SetValue(user, fieldValue, null);
}
}
facebookUserStorageService.AddUser(user);
}
return(user);
}
public ulong GetUserId(string signedRequest)
{
var client = new global::Facebook.FacebookClient
{
AppId = Settings.AppId,
AppSecret = Settings.AppSecret
};
// var result = client.Get("oauth/access_token", new
// {
// client_id = client.AppId,
// client_secret = client.AppSecret,
// grant_type = "client_credentials"
// });
// client.AccessToken = result.access_token;
var userId = (client.ParseSignedRequest(signedRequest) as dynamic).user_id;
return UInt64.Parse(userId);
}
private object GetObjects(Type modelType, string userFacebookId, global::Facebook.FacebookClient client)
{
var typeName = GetTypeName(modelType);
if (String.IsNullOrEmpty(typeName))
{
return(null);
}
var objects = facebookObjectStorageService.GetObjects(userFacebookId);
if (objects == null || objects.Count == 0 /* || Some other time period has been met and we should sync again */)
{
return(LoadObjects(client, modelType, userFacebookId, "me/" + typeName + facebookService.GetFields(modelType)));
}
var castedObjects = (IList)Activator.CreateInstance(modelType);
foreach (var obj in objects)
{
castedObjects.Add(obj);
}
return(castedObjects);
}
private object LoadObjects(global::Facebook.FacebookClient client, Type modelType, string userFacebookId, string query)
{
dynamic objects = Activator.CreateInstance(modelType);
dynamic objectList = client.Get(query);
var genericType = GetGenericType(modelType);
if (objects.Count == 0)
{
foreach (var obj in objectList.data)
{
dynamic o = Activator.CreateInstance(genericType);
o.FacebookId = obj.Id;
o.FacebookUserId = userFacebookId;
o.Data = obj;
ApplyFields(o, obj);
objects.Add(o);
facebookObjectStorageService.AddObject((FacebookObject)o);
}
}
else
{
// add, edit
foreach (var obj in objectList.data)
{
dynamic o = FindById(objects, obj.id);
if (o == null)
{
o = Activator.CreateInstance(genericType);
o.FacebookId = obj.Id;
o.FacebookUserId = userFacebookId;
o.Data = obj;
ApplyFields(o, obj);
objects.Add(o);
facebookObjectStorageService.AddObject((FacebookObject)o);
continue;
}
ApplyFields(o, obj);
facebookObjectStorageService.UpdateObject((FacebookObject)o);
}
// remove
var removeCount = 0;
for (var i = 0; i < (objects.Count - removeCount); i++)
{
var obj = objects[i - removeCount];
var foundObject = false;
foreach (var newObject in objectList.data)
{
if (obj.FacebookId == newObject.id)
{
foundObject = true;
break;
}
}
if (foundObject)
{
objects.RemoveAt(i - removeCount);
i--;
removeCount++;
}
}
}
return(objects);
}
