private async void OnNewMessageReceived(Message message)
{
// var forwardedMessages = message.ForwardedMessages?.ToArray() ?? new Message[] { };
var attachments = message.Attachments?.ToArray() ?? new Attachment[] { };
// var replyMessage = message.ReplyMessage;
// var actionObject = message.Action;
using (var db = new CacheDbContext())
{
if (message.FromId == null || message.PeerId == null)
{
return;
}
string readableName;
var foundPeerByFromId = await db.VkPeers.FindAsync(message.FromId);
if (foundPeerByFromId != null)
{
readableName = foundPeerByFromId.ReadableName;
}
else
{
var peer = (await VkUtils.GetAndCacheNewPeers(new[] { (long)message.FromId })).First();
readableName = message.FromId > 0
? ((User)peer).FirstName + " " + ((User)peer).LastName
: ((Group)peer).Name;
foundPeerByFromId = await db.VkPeers.FindAsync(message.FromId);
}
var foundPeerByPeerId = await db.VkPeers.FindAsync(message.PeerId);
var indexToUpdate = 0;
ChatsListItemData itemToUpdate = null;
for (var i = 0; i < _viewModel.ChatsList.Count; i++)
{
var item = _viewModel.ChatsList[i];
if (item.PeerId != message.PeerId)
{
continue;
}
indexToUpdate = i;
itemToUpdate = item;
(await db.VkPeers.FindAsync(item.PeerId)).LastMessage = message.Text;
break;
}
_viewModel.ChatsList.RemoveAt(indexToUpdate);
_viewModel.ChatsList.Insert(0, new ChatsListItemData
{
Avatar = itemToUpdate?.Avatar,
Message = message.Text,
Name = itemToUpdate?.Name,
PeerId = message.PeerId ?? 0,
IsThisUser = itemToUpdate?.IsThisUser ?? false
});
await db.VkMessages.AddAsync(new VkMessage
{
ConversationMessageId = message.ConversationMessageId ?? 0,
Text = message.Text,
FromId = message.FromId ?? 0,
PeerId = message.PeerId ?? 0,
VkPeer = foundPeerByPeerId,
ReceiveTime = DateTime.Now
});
await db.SaveChangesAsync();
_viewModel.MessageDict[(long)message.PeerId].Add(new ChatsListItemData
{
Name = readableName,
Message = message.Text,
IsThisUser = message.FromId == db.SessionInfo.First().UserId
});
foreach (var attachment in attachments)
{
if (attachment.Type == typeof(Photo))
{
await ViewAttachmentInWindow(attachment);
}
}
}
}
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
VkUtils.SendMessage(_viewModel.SelectedPeerId, MessageTextBox.Text);
}
