protected override async void OnAppearing()
{
base.OnAppearing();
if (isLoaded)
{
return;
}
isLoaded = true;
busyIndicator.IsVisible = true;
ToolbarItems.Clear();
ToolbarItems.Add(new ToolbarItem("Logout", "ic_action_logout.png", async() => {
var result = await DisplayAlert("Logout", "Do you really want to logout?", "Ok", "Cancel");
if (result)
{
try {
Database.Instance().UnSubscribeForDialogs(OnDialogsChanged);
isLogoutClicked = true;
Database.Instance().ResetAll();
App.UserLogin = 0;
App.UserPassword = null;
DisconnectToXmpp();
} catch (Exception ex) {
}
finally{
App.SetLoginPage();
}
}
}));
Task.Factory.StartNew(async() => {
if (user == null && App.QbProvider.UserId != 0)
{
user = await App.QbProvider.GetUserAsync(App.QbProvider.UserId);
App.UserLogin = user.Id;
App.UserPassword = user.Login;
}
try {
// uses login as password because it is the same
ConnetToXmpp(user.Id, user.Login);
} catch (Exception ex) {
}
var dialogs = await App.QbProvider.GetDialogsAsync(new List <DialogType>()
{
DialogType.Private, DialogType.Group
});
var sorted = dialogs.Where(d => d.LastMessageSent != null).OrderByDescending(d => d.LastMessageSent.Value).Concat(dialogs.Where(d => d.LastMessageSent == null)).ToList();
foreach (var dialog in sorted)
{
if (dialog.DialogType == DialogType.Group)
{
var groupdManager = App.QbProvider.GetXmppClient().GetGroupChatManager(dialog.XmppRoomJid, dialog.DialogId);
groupdManager.JoinGroup(App.QbProvider.UserId.ToString());
}
dialog.LastMessage = System.Net.WebUtility.UrlDecode(dialog.LastMessage);
}
Device.BeginInvokeOnMainThread(() => {
if (myProfileImage.Source == null)
{
myNameLabel.Text = user.FullName;
InitializeProfilePhoto();
}
InitializeDialogsList(sorted);
Database.Instance().SubscribeForDialogs(OnDialogsChanged);
this.busyIndicator.IsVisible = false;
});
});
}
private async void OnMessageReceived(object sender, MessageEventArgs messageEventArgs)
{
var dialog = Database.Instance().GetDialog(messageEventArgs.Message.ChatDialogId);
if (dialog == null)
{
dialog = await App.QbProvider.GetDialogAsync(messageEventArgs.Message.ChatDialogId);
}
var decodedMessage = System.Net.WebUtility.UrlDecode(messageEventArgs.Message.MessageText);
if (dialog != null)
{
dialog.LastMessage = decodedMessage;
dialog.LastMessageSent = DateTime.UtcNow;
if (dialog.UnreadMessageCount != null)
{
dialog.UnreadMessageCount++;
}
else
{
dialog.UnreadMessageCount = 1;
}
Database.Instance().SaveDialog(dialog);
}
var messageTable = new MessageTable();
messageTable.SenderId = messageEventArgs.Message.SenderId;
messageTable.Text = decodedMessage;
messageTable.DialogId = messageEventArgs.Message.ChatDialogId;
messageTable.DateSent = messageEventArgs.Message.DateSent;
if (messageTable.SenderId == App.QbProvider.UserId)
{
messageTable.RecepientFullName = "Me";
}
else
{
var user = Database.Instance().GetUser(messageTable.SenderId);
if (user == null)
{
var userRespose = await App.QbProvider.GetUserAsync(messageTable.SenderId);
if (userRespose != null)
{
user = new UserTable();
user.FullName = userRespose.FullName;
user.UserId = userRespose.Id;
user.PhotoId = userRespose.BlobId.HasValue ? userRespose.BlobId.Value : 0;
Database.Instance().SaveUser(user);
messageTable.RecepientFullName = user.FullName;
}
}
else
{
messageTable.RecepientFullName = user.FullName;
}
}
Database.Instance().SaveMessage(messageTable);
}
