public MessagesPage()
{
InitializeComponent();
_viewModel = DataContext as MessagesPageViewModel;
_navigationHelper = new NavigationHelper(this);
_navigationHelper.LoadState += NavigationHelper_LoadState;
_navigationHelper.SaveState += NavigationHelper_SaveState;
}
public MessagesPage()
{
InitializeComponent();
BindingContext = new MessagesPageViewModel();
MessagingCenter.Subscribe <MessagesPageViewModel>(new MessagesPageViewModel(), "ButtonClicked",
(sender) =>
{
DisplayAlert("Heyooo", "The button was clicked", "OK", "Nay");
});
}
public MessagesPage()
{
InitializeComponent();
Title = "Chat";
BindingContext = new MessagesPageViewModel();
MessagingCenter.Subscribe <ScrollListViewMessage>(this, "ScrollToBottom", message =>
{
var item = ((ObservableCollection <MessageViewModel>)(this.MessagesListView.ItemsSource)).Last();
MessagesListView.ScrollTo(item, ScrollToPosition.End, false);
});
}
private async void LstChannels_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lstChannels.SelectedItem != null)
{
MessagesPageViewModel vm = lstChannels.SelectedItem as MessagesPageViewModel;
if (vm.PlayerAdvert != null)
{
//PlayerAdvert advert = vm.PlayerAdvert;
//advert.
await Navigation.PushAsync(new ChatPage(vm));
}
else
{
await Navigation.PushAsync(new ChatPage(vm));
}
lstChannels.SelectedItem = null;
}
}
public async Task <MessagesPageViewModel> GetMessages([FromForm] GetMessagesModel model)
{
MessagesPageViewModel responseModel;
if (model.MessagesIds.IsNullOrEmpty())
{
responseModel = await _loadMessagesService.GetMessagesPageAsync(model.ConversationId, model.ConversationType, model.PageNumber.GetValueOrDefault(), messagesLimit);
}
else
{
var messages = await _loadMessagesService.GetMessagesByIdAsync(model.MessagesIds, model.ConversationType, model.ConversationId, null)
.ConfigureAwait(false);
responseModel = new MessagesPageViewModel {
Messages = MessageConverter.GetMessagesVm(messages, null)
};
}
return(responseModel);
}
private async void TapGestureRecognizer_Tapped(object sender, EventArgs e)
{
if (mainPlayerAdvert.UserId != currentUser.Id)
{
MessagesPageViewModel model = new MessagesPageViewModel()
{
currentUser = currentUser,
PlayerAdvert = mainPlayerAdvert,
OpponentAdvert = null,
channelUser1 = mainPlayerAdvert.User,
currentChannel = null,
channelUser2 = null,
};
await Navigation.PushAsync(new ChatPage(model));
}
else
{
await DisplayAlert("Upps!", "Kendinizle konuşamazsınız.Felsefi olarak bakıyorsanız başka tabii :)", "OK");
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
// restore state from previous session
if (e.PageState != null && e.PageState.ContainsKey("MessagesPageViewModel"))
{
_viewModel = e.PageState["MessagesPageViewModel"] as MessagesPageViewModel;
return;
}
var item = e.NavigationParameter as SlackItem;
if (item == null)
{
return;
}
_viewModel.ChannelId = item.UniqueId;
_viewModel.ChannelName = item.Description;
await _viewModel.RefreshMessages();
}
//User otherUser = new User();
public ChatPage(MessagesPageViewModel model)
{
InitializeComponent();
NavigationPage navPage = App.Current.MainPage as NavigationPage;
navPage.BarBackgroundColor = Color.FromHex("#2dbefc");
navPage.BarTextColor = Color.White;
activityControl.MakeVisible(ActivityLayout, activity);
//model.currentChannel = messageService.GetChannel(model.currentChannel.Id);
layoutMain.IsVisible = false;
GetChannelMessages(model);
//if (model.ChannelId != 0 && model.currentChannel != null)
//{
// GetChannelMessages(model);
//}
//else
//{
// messagesPageViewModel = model;
//}
currentUser = App.Current.Properties["loggedUser"] as User;
_username = currentUser.Email;
//messagesPageViewModel = model;
this.Title = model.otherUserName;
//SIGNALR
client.Connect(_username);
client.ConnectionError += Client_ConnectionError;
client.OnMessageReceived += Client_OnMessageReceived;
this.BindingContext = ChatPageViewModels;
}
private async void GetChannelMessages(MessagesPageViewModel vm)
{
if (vm.ChannelId != 0 && vm.currentChannel != null)
{
ChatChannel channel = await messageService.GetChannel(vm.ChannelId);
vm.currentChannel = channel;
messagesPageViewModel = vm;
}
else
{
messagesPageViewModel = vm;
}
if (messagesPageViewModel.ChannelId != 0 && messagesPageViewModel.currentChannel != null)
{
if (messagesPageViewModel.PlayerAdvert != null)
{
opponentAdvert = null;
playerAdvert = messagesPageViewModel.PlayerAdvert;
}
else if (messagesPageViewModel.OpponentAdvert != null)
{
opponentAdvert = messagesPageViewModel.OpponentAdvert;
playerAdvert = null;
}
}
else // CHANNEL BOŞ GELMİŞSE
{
if (messagesPageViewModel.PlayerAdvert != null)
{
//receiverEmail.Text = model.channelUser1.Email;
playerAdvert = messagesPageViewModel.PlayerAdvert;
opponentAdvert = null;
}
else
{
//receiverEmail.Text = model.channelUser1.Email;
playerAdvert = null;
opponentAdvert = messagesPageViewModel.OpponentAdvert;
}
}
if (messagesPageViewModel.PlayerAdvert != null && messagesPageViewModel.OpponentAdvert == null)
{
lblAdvertFirstLine.Text = messagesPageViewModel.PlayerAdvert.City + " / " + messagesPageViewModel.PlayerAdvert.Town;
lblAdvertSecondLine.Text = messagesPageViewModel.DateAndTime;
}
else if (messagesPageViewModel.PlayerAdvert == null && messagesPageViewModel.OpponentAdvert != null)
{
lblAdvertFirstLine.Text = messagesPageViewModel.OpponentAdvert.City + " şehrinde rakip ilanı";
lblAdvertSecondLine.Text = "";
}
// HEM DB HEM sıgnalr ile ilgili
CheckProperAdvert();
if (messagesPageViewModel.currentChannel != null)
{
if (messagesPageViewModel.currentChannel.Id != 0)
{
mainChannel = messagesPageViewModel.currentChannel;
if (mainChannel.ChatChannelUsers.Count > 0)
{
if (mainChannel.ChatChannelUsers[1].ChatMessages.Count > 0 || mainChannel.ChatChannelUsers[0].ChatMessages.Count > 0)
{
List <ChatPageViewModel> tempModel = new List <ChatPageViewModel>();
foreach (ChatMessage msg in mainChannel.ChatChannelUsers[0].ChatMessages)
{
//allMessages.Add(msg);
if (mainChannel.ChatChannelUsers[0].UserId == currentUser.Id) // EĞER 0 INDEXLI CHATCHANNELUSER BEN İSEM;
{
tempModel.Add(new ChatPageViewModel()
{
Message = msg.Text,
isMyMessage = true,
SenderUser = messagesPageViewModel.currentUser,
isUserChangingPoint = false,
SendingTime = msg.CreatedOn
});
}
else
{
tempModel.Add(new ChatPageViewModel()
{
Message = msg.Text,
isMyMessage = false, // BEN OWNER DEĞİLİM
SenderUser = messagesPageViewModel.OtherUser,
isUserChangingPoint = false,
SendingTime = msg.CreatedOn
});
}
//modelList.Add(new SignalrUser() { message = msg.Text, username = "******" });
}
foreach (ChatMessage msg in mainChannel.ChatChannelUsers[1].ChatMessages)
{
//allMessages.Add(msg);
//modelList.Add(new SignalrUser() { message = msg.Text, username = "******" });
if (mainChannel.ChatChannelUsers[1].UserId == currentUser.Id) // EĞER 1 INDEXLI CHATCHANNELUSER BEN İSEM;
{
tempModel.Add(new ChatPageViewModel()
{
Message = msg.Text,
isMyMessage = true,
SenderUser = messagesPageViewModel.currentUser,
isUserChangingPoint = false,
SendingTime = msg.CreatedOn
});
}
else
{
tempModel.Add(new ChatPageViewModel()
{
Message = msg.Text,
isMyMessage = false,
SenderUser = messagesPageViewModel.OtherUser,
isUserChangingPoint = false,
SendingTime = msg.CreatedOn
});
}
}
ChatPageViewModels = tempModel.OrderBy(x => x.SendingTime).ToList();
LastMessageOwnerId = ChatPageViewModels[0].SenderUser.Id;
ChatPageViewModels[0].isUserChangingPoint = true;
foreach (ChatPageViewModel chatPageViewModel in ChatPageViewModels)
{
if (chatPageViewModel.SenderUser.Id != LastMessageOwnerId)
{
chatPageViewModel.isUserChangingPoint = true;
LastMessageOwnerId = chatPageViewModel.SenderUser.Id;
}
}
colMessages.ItemsSource = ChatPageViewModels;
colMessages.VerticalScrollBarVisibility = ScrollBarVisibility.Never;
colMessages.ScrollTo(ChatPageViewModels.Last(), -1, ScrollToPosition.End, true);
}
}
}
}
else
{
mainChannel = null;
}
activityControl.MakeUnVisible(ActivityLayout, activity);
layoutMain.IsVisible = true;
return;
}
