public string GetRsvp(ActivityItemsViewModel act)
{
if (App.ViewModel.UserPreference.AccessKey == null || act.FacebookId == null || act.FacebookId.Equals("") || !App.ViewModel.HasConnection)
return null;
string status = null;
var fb = new FacebookClient
{
AppId = App.ViewModel.Appid,
AccessToken = App.ViewModel.UserPreference.AccessKey
};
fb.GetCompleted += (o, e) =>
{
if (e.Error != null)
{
return;
}
var result = (IDictionary<string, object>)e.GetResultData();
var data = (IList<object>)result["data"];
if (data.Count <= 0)
{
status = "not_replied";
return;
}
var eventData = ((IDictionary<string, object>)data.ElementAt(0));
status = (string)eventData["rsvp_status"];
};
var query = String.Format("SELECT rsvp_status FROM event_member WHERE eid = {0} AND uid = me()", act.FacebookId);
fb.GetAsync("fql", new { q = query });
return status;
}
public List<string> FriendImages(ActivityItemsViewModel act)
{
if (App.ViewModel.UserPreference.AccessKey == null || act.FacebookId == null || act.FacebookId.Equals("") || !App.ViewModel.HasConnection)
return null;
var friends = new List<string>();
var fb = new FacebookClient
{
AppId = App.ViewModel.Appid,
AccessToken = App.ViewModel.UserPreference.AccessKey
};
fb.GetCompleted += (o, e) =>
{
if (e.Error != null)
{
return;
}
var result = (IDictionary<string, object>)e.GetResultData();
var data = (IList<object>)result["data"];
if (data.Count <= 0)
{
return;
}
act.FriendsAttending = data.Count;
for (var i = 0; i < 5; i++)
{
var eventData = ((IDictionary<string, object>)data.ElementAt(i));
friends.Add((string)eventData["pic_square"]);
}
};
var query = String.Format("SELECT pic_square FROM user WHERE uid IN"
+ "(SELECT uid2 FROM friend WHERE uid1 = me() AND uid2 IN"
+ "(SELECT uid FROM event_member WHERE eid = {0} "
+ "AND rsvp_status = 'attending'))", act.FacebookId);
fb.GetAsync("fql", new { q = query });
return friends;
}
// Load data for the ViewModel NewsItems
protected override void OnNavigatedTo(NavigationEventArgs e)
{
try
{
_item = App.ViewModel.ActivityItems.ElementAt(Convert.ToInt32(NavigationContext.QueryString["activityItem"]));
if (_item == null)
{
throw new Exception("Er is geen activiteit mee gegeven als argument.");
}
if (_item.FacebookId == null || _item.FacebookId.Equals("") || !App.ViewModel.HasConnection)
{
DataContext = _item;
return;
}
_item.RsvpStatus = GetRsvp(_item);
_item.FriendsPics = FriendImages(_item);
var fb = new FacebookClient
{
AppId = App.ViewModel.Appid,
AccessToken = App.ViewModel.UserPreference.AccessKey ??
App.ViewModel.GenericId
};
fb.GetCompleted += (o, res) =>
{
if (res.Error != null)
{
return;
}
var result = (IDictionary<string, object>)res.GetResultData();
var data = (IList<object>)result["data"];
var eventData = ((IDictionary<string, object>)data.ElementAt(0));
_item.Attendings = Convert.ToInt32(eventData["attending_count"]);
_item.ImageUri = (string)eventData["pic"];
Dispatcher.BeginInvoke(()=>DataContext = _item);
};
// query to get all the friends
var query = string.Format("SELECT eid,attending_count, pic FROM event WHERE eid = {0}", _item.FacebookId);
// Note: For windows phone 7, make sure to add [assembly: InternalsVisibleTo("Facebook")] if you are using anonymous objects as parameter.
fb.GetAsync("fql", new { q = query });
}
catch (Exception)
{
NavigationService.Navigate(new Uri("/Pages/MainPage.xaml", UriKind.Relative));
}
}
public void SetRsvp(string name, ActivityItemsViewModel act)
{
if (App.ViewModel.UserPreference.AccessKey == null || act.FacebookId == null || act.FacebookId.Equals("") || !App.ViewModel.HasConnection)
return;
var fb = new FacebookClient { AccessToken = App.ViewModel.UserPreference.AccessKey, AppId = App.ViewModel.Appid };
fb.GetCompleted += (o, e) =>
{
if (e.Error != null)
{
Deployment.Current.Dispatcher.BeginInvoke(
() => MessageBox.Show(
"Er gebeurde een fout tijdens het versturen van data naar Facebook"));
}
act.RsvpStatus = GetRsvp(act).ToString();
};
var query = string.Format("https://graph.facebook.com/{0}/{1}", act.FacebookId, name);
fb.PostAsync(query, null);
}
