async Task LoadToCollection(IEnumerable <Friend> friends)
{
await FriendsSemaphore.WaitAsync().ConfigureAwait(false);
using (Friends.UpdatesBlock()) {
Friends.Clear();
Friends.AddRange(friends);
}
FriendsSemaphore.Release();
}
public async Task ExecuteSearchForFriendCommand(string search)
{
search.Trim();
if (IsBusy)
{
return;
}
LoadingMessage = "Finding Friend...";
using (BusyContext()) {
using (App.Logger.TrackTimeContext("FriendSearch")) {
try {
App.Logger.Track("FriendSearch");
if (!search.IsValidEmail())
{
App.MessageDialog.SendToast("Please enter a valide email address.");
return;
}
if (!await RefreshToken())
{
return;
}
var userManager = new UserManager(Settings.AccessToken);
var result = await userManager.GetUserViaEmail(search);
IsBusy = false;
//did not find anyone
//add them and send invite
if (result == null || result.Devices == null)
{
var newFriend = new Friend {
FriendId = Settings.GenerateTempFriendId(),
Name = search
};
await DataManager.AddOrSaveFriendAsync(newFriend);
await FriendsSemaphore.WaitAsync();
Friends.Add(newFriend);
FriendsSemaphore.Release();
await userManager.SendUserInvite(search);
RaiseNotification("Your friend hasn't signed up for Inner 6 Chat yet. We have sent them an invite!", "Friend Request Sent");
App.Logger.Track("FriendRequestSent");
return;
}
//did you enter yourself?
if (!string.IsNullOrWhiteSpace(Settings.Email) &&
result.Email.ToLowerInvariant() == Settings.Email.ToLowerInvariant())
{
RaiseNotification("This is you!");
return;
}
//did you already friend them?
await FriendsSemaphore.WaitAsync();
var alreadyFriend = Friends.FirstOrDefault(f => f.FriendId == result.Id) != null;
FriendsSemaphore.Release();
if (alreadyFriend)
{
RaiseNotification("Friend already added.");
return;
}
//new friend found and we want to add them.
var msg = string.Format("We found {0} do you want to add to friend list?", result.NickName);
App.MessageDialog.SendConfirmation(msg, "Friend found!",
async add => {
if (!add)
{
return;
}
var newFriend = new Friend {
FriendId = result.Id,
Name = result.NickName,
Photo = EndPoints.BaseUrl + result.Avatar.Location,
AvatarType = result.Avatar.Type
};
await DataManager.AddOrSaveFriendAsync(newFriend);
await FriendsSemaphore.WaitAsync();
Friends.Add(newFriend);
FriendsSemaphore.Release();
RaiseNotification("Friend added!");
App.Logger.Track("FriendAdded");
});
} catch (Exception ex) {
App.Logger.Report(ex);
RaiseError("Something has gone wrong, please try to search again.");
}
}
}
}