private async Task GetAllChatMessages()
{
string ret = string.Empty;
Task.Factory.StartNew(
// tasks allow you to use the lambda syntax to pass wor
() =>
{
_chatModel = WebService.GetAllChatMessage(Convert.ToInt32(_productModel.user_id), Convert.ToInt32(_productModel.product_id));
}).ContinueWith(async
t =>
{
try
{
if (_chatModel.data != null)
{
for (int i = 0; i < _chatModel.data.Count; i++)
{
if (!string.IsNullOrEmpty(_chatModel.data[i].profile_pic))
{
_chatModel.data[i].profile_pic = Constants.ProfilePicUrl + _chatModel.data[i].profile_pic;
}
else
{
_chatModel.data[i].profile_pic = "dummyprofile.png";
}
if (_chatModel.data[i].sender_id == StaticDataModel.userId.ToString())
{
_chatModel.data[i].Outgoing = true;
_chatModel.data[i].Incoming = false;
}
else
{
_chatModel.data[i].Outgoing = false;
_chatModel.data[i].Incoming = true;
}
if (!string.IsNullOrEmpty(_chatModel.data[i].created_at))
{
var t1 = Convert.ToDateTime(_chatModel.data[i].created_at);
if (!isFromLocal)
{
t1 = DateTime.SpecifyKind(t1, DateTimeKind.Utc);
t1 = t1.ToLocalTime();
}
_chatModel.data[i].MessageTime = StaticMethods.TimeAgo(Convert.ToDateTime(t1));
}
}
items = new ChatItemList(_chatModel.data);
flowlistview.FlowItemsSource = items.Items;
var lastItem = flowlistview.FlowItemsSource.OfType <object>().Last();
flowlistview.ScrollTo(lastItem, ScrollToPosition.End, false);
}
}
catch (Exception ex)
{
}
}, TaskScheduler.FromCurrentSynchronizationContext()
);
}
protected override async void OnAppearing()
{
base.OnAppearing();
txtMsg.Focused += TxtMsg_Focused;
txtMsg.Unfocused += TxtMsg_Unfocused;
txtMsg.Completed += TxtMsg_Completed;
btnYes.Clicked += BtnYes_Clicked;
btnNo.Clicked += BtnNo_Clicked;
btnAccept.Clicked += BtnAccept_Clicked;
btnRefuse.Clicked += BtnRefuse_Clicked;
btnOk.Clicked += BtnOk_Clicked;
btnCash.Clicked += BtnCash_Clicked;
btnOnline.Clicked += BtnOnline_Clicked;
btnMakeOffer.Clicked += BtnMakeOffer_Clicked;
txtMsg.Focused += (sender, e) =>
{
//flowlistviewOverlay.IsVisible = true;
};
txtMsg.Unfocused += (sender, e) =>
{
//flowlistviewOverlay.IsVisible = false;
};
TapGestureRecognizer flowlistviewTapGesture = new TapGestureRecognizer();
flowlistviewTapGesture.Command = new Command(() =>
{
Device.BeginInvokeOnMainThread(() =>
{
txtMsg.Unfocus();
ChatEntry.keepOpen = false;
});
});
flowlistview.GestureRecognizers.Add(flowlistviewTapGesture);
stackContent.GestureRecognizers.Add(flowlistviewTapGesture);
//stackScrollContent.GestureRecognizers.Add(flowlistviewTapGesture);
//flowlistviewOverlay.GestureRecognizers.Add(flowlistviewTapGesture);
flowlistview.FlowItemTapped += (sender, e) =>
{
Device.BeginInvokeOnMainThread(() =>
{
txtMsg.Unfocus();
ChatEntry.keepOpen = false;
});
};
if (fromPage == "make_offer")
{
if (isFirstLoad)
{
await SaveChatUser();
}
}
else if (fromPage == "user_list")
{
if (isFirstLoad)
{
GetAllChatMessages().Wait();
}
}
else if (fromPage == "private_chat")
{
if (isFirstLoad)
{
GetAllChatMessages().Wait();
}
}
MessagingCenter.Subscribe <object, ChatModel.Datum>(this, "NotificationRecieved", (sender, model) =>
{
Device.BeginInvokeOnMainThread(() =>
{
if (!ReferenceEquals(model, null))
{
if (string.Equals(model.type, "chat"))
{
model.Incoming = true;
if (!string.IsNullOrEmpty(model.profile_pic))
{
model.profile_pic = Constants.ProfilePicUrl + model.profile_pic;
}
var t1 = Convert.ToDateTime(model.created_at);
if (!isFromLocal)
{
t1 = DateTime.SpecifyKind(t1, DateTimeKind.Utc);
t1 = t1.ToLocalTime();
}
model.MessageTime = StaticMethods.TimeAgo(Convert.ToDateTime(t1));
if (items != null)
{
//var time = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss tt");
items.Items.Add(model);
}
else
{
_chatModel = new ChatModel();
var list = new List <ChatModel.Datum>();
list.Add(model);
_chatModel.data = list;
items = new ChatItemList(_chatModel.data);
flowlistview.FlowItemsSource = items.Items;
}
var lastItem = flowlistview.FlowItemsSource.OfType <object>().Last();
flowlistview.ScrollTo(lastItem, ScrollToPosition.End, false);
}
else
{
offer_status = model.status;
UpdateOfferStatus().Wait();
}
lblPrice.Text = model.offer_price;
}
});
});
}
