public LoginViewModel(IDialogService dialogService, INavigationService navigationService)
{
ctx = TalkBackAppContext.Get();
CurrentUser = new UserModel();
// _loginService = loginService;
_dialogService = dialogService;
_navigationService = navigationService;
ctx.Dispatcher.EstablishConnectionAsync();
ctx.LoginWindow = this;
LoginCommand = new RelayCommand(() =>
{
// The service sends the user input to the server that checks them in the DB
// _loginService.LogIn(CurrentUser);
//
TryLogin();
// When the server finish to check user input, it sends back contcts list and the page navigate
// or sends error message that triggers a popup window with appropriate message.
//contactList = something from the service
//if (contactsList == null)
// _dialogService.ShowMessageBox("Password incorrect", "Error");
//else
// _navigationService.NavigateTo("ContactsPage", contactsList);
//_navigationService.NavigateTo("ContactsPage", contactsList);
});
}
public ChatViewModel(INavigationService navigationService)
{
_navigationService = navigationService;
ctx = TalkBackAppContext.Get();
ctx.ChatWinodw = this;
PeerUserName = ctx.PeerUserName;
HistoryContent = new ObservableCollection <string>();
SendCommand = new RelayCommand(() =>
{
MessageModel msg = new MessageModel()
{
From = ctx.CurrentUser.Name,
Content = MyMessage,
To = PeerUserName
};
SendMessage(msg);
MyMessage = string.Empty;
RaisePropertyChanged(nameof(MyMessage));
});
BackCommand = new RelayCommand(() =>
{
_navigationService.NavigateTo(ViewModelLocator.ContactsPageKey);
Window.Current.Activate();
});
}
public ContactsViewModel(IDialogService dialogService, INavigationService navigationService)
{
_navigationService = navigationService;
_dialogService = dialogService;
_chatRequestActive = false;
OnlineContacts = new ObservableCollection <string>();
OfflineContacts = new ObservableCollection <string>();
ctx = TalkBackAppContext.Get();
ctx.ContactsWindow = this;
CurrentUserName = ctx.CurrentUser.Name;
ReloadContacts();
StartChat = new RelayCommand(() =>
{
if (SelectedItem == null)
{
_dialogService.ShowMessageBox("You must select a contact to chat with.", "Error");
}
else
{
ctx.PeerUserName = SelectedItem;
_chatRequestActive = true;
ChatRequest req = new ChatRequest {
From = CurrentUserName, To = SelectedItem
};
ctx.Dispatcher.SendObjectAsync(req);
timer = ThreadPoolTimer.CreateTimer(OnNoResponse, new TimeSpan(0, 0, 59));
}
});
LogOutCommand = new RelayCommand(() =>
{
ctx.MyWebSocket.Close(1000, "User signedoff");
ctx.Dispatcher.EstablishConnectionAsync();
_navigationService.NavigateTo(ViewModelLocator.LoginPageKey);
Window.Current.Activate();
});
}
