protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
string id = string.Empty;
try
{
if (NavigationContext.QueryString.TryGetValue("id", out id))
{
_id = Convert.ToInt32(id);
// From friend requests.
var friend = App.Current.EntityService.FriendsRequests.FirstOrDefault(x => x.Uid == _id);
// From mutual friends.
if (friend == null)
{
_isMutual = true;
friend = App.Current.EntityService.FriendsMutual.FirstOrDefault(x => x.Uid == _id);
DeleteButton.IsEnabled = false;
}
if (friend != null)
{
_friend = friend;
this.DataContext = (object)_friend;
}
}
else
{
// From global search page.
if (App.Current.EntityService.FoundGlobalUser != null)
{
_friend = App.Current.EntityService.FoundGlobalUser;
_id = _friend.Uid;
this.DataContext = (object)_friend;
}
}
}
catch (Exception ex)
{
Debug.WriteLine("OnNavigatedTo in FriendRequestPage failed: " + ex.Message);
}
}
private void SearchTextBox_TextChanged(object sender, TextChangedEventArgs e)
{
if (_userTypingTimer != null)
{
_userTypingTimer.Dispose();
_userTypingTimer = null;
}
if (!string.IsNullOrEmpty(SearchTextBox.Text))
{
_workQ = SearchTextBox.Text;
_userTypingTimer = new Timer(state =>
{
Dispatcher.BeginInvoke(() =>
{
// Start search after 1 second of silence.
var op = new UsersSearch(_workQ, results =>
{
Dispatcher.BeginInvoke(() =>
{
try
{
_results.Clear();
_photosToLoad.Clear();
foreach (var result in results)
{
try
{
var model = new FriendViewModel(result.Uid,
result.FullName, string.Empty, result.FirstName, result.LastName,
result.IsOnline, -1, result.PhotoBig, App.Current.EntityService.DefaultAvatar);
_results.Add(model);
// Try to load image from cache.
string filename = CommonHelper.DoDigest(result.PhotoBig);
BitmapImage image = _imageCache.GetItem(filename);
if (image != null)
model.Photo = image;
else // ...if it doesn't exists - load from web.
_photosToLoad.Add(model, new AvatarLoadItem(_photosToLoad.Count, result.PhotoBig, filename));
}
catch (Exception ex)
{
Debug.WriteLine("UsersSearch model creating failed: " + ex.Message);
// If some fields is empty =).
}
}
if (results.Count > 0)
SearchDescription.Visibility = System.Windows.Visibility.Collapsed;
else
SearchDescription.Visibility = System.Windows.Visibility.Visible;
_LoadPhotos();
}
catch (Exception ex)
{
Debug.WriteLine("UsersSearch failed: " + ex.Message);
// If some inter-process error
}
});
});
op.Execute();
});
}, null, 1000, -1);
}
else
{
SearchDescription.Visibility = System.Windows.Visibility.Visible;
}
}
public void GetFriendRequests(Action finishedCallback)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
var op = new FriendsGetRequests(1, friends =>
{
try
{
_stateCounter.CountOfRequests = friends.Count;
// Collect all uids to load info.
var dict = new Dictionary<int, string>();
string uids = string.Empty;
string mutualUids = string.Empty;
foreach (var request in friends)
{
uids += request.Uid.ToString() + ",";
dict.Add(request.Uid, request.Message == null ? string.Empty : request.Message);
if (request.MutualFriends != null)
{
foreach (var mutual in request.MutualFriends.Uids)
{
mutualUids += mutual.ToString() + ",";
}
}
}
// Get friends requests.
if (!string.IsNullOrEmpty(uids))
{
UsersGet op1 = new UsersGet(uids, info =>
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
FriendsRequests.Clear();
foreach (var user in info)
{
var model = new FriendViewModel(user.Uid, user.FullName, string.Empty,
user.FirstName, user.LastName, user.IsOnline, -1, user.PhotoBig, DefaultAvatar);
string message = string.Empty;
dict.TryGetValue(user.Uid, out message);
model.Message = message;
FriendsRequests.Add(model);//new FriendRequestViewModel(model, user.Photo, message));
}
if (string.IsNullOrEmpty(mutualUids))
finishedCallback();
}
catch (Exception ex)
{
Debug.WriteLine("UsersGet in GetFriendRequests failed: " + ex.Message);
finishedCallback();
}
});
});
op1.Execute();
}
// Get mutual friends.
if (!string.IsNullOrEmpty(mutualUids))
{
UsersGet op2 = new UsersGet(mutualUids, info =>
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
FriendsMutual.Clear();
foreach (var user in info)
{
var inFriends = Friends.FirstOrDefault(x => x.Uid == user.Uid);
if (inFriends == null)
FriendsMutual.Add(new FriendViewModel(user.Uid, user.FullName, string.Empty,
user.FirstName, user.LastName, user.IsOnline, -1, user.PhotoBig, DefaultAvatar));
}
finishedCallback();
}
catch (Exception ex)
{
Debug.WriteLine("UsersGet in GetFriendRequests failed: " + ex.Message);
finishedCallback();
}
});
});
op2.Execute();
}
else
{
if (string.IsNullOrEmpty(uids))
finishedCallback();
}
}
catch (Exception ex)
{
Debug.WriteLine("GetFriendRequests failed in EntityService: " + ex.Message);
finishedCallback();
}
});
op.Execute();
}
catch (Exception ex)
{
Debug.WriteLine("GetFriendRequests failed: " + ex.Message);
}
});
}