private async void SendMessage()
{
try
{
if (SelectedChat == null || string.IsNullOrWhiteSpace(TbMessage.Text)) return;
var message = new Message
{
Author = SessionParams.CurrentUser,
Text = TbMessage.Text,
Time = DateTime.Now
};
await _netWorker.SendMessage(SelectedChat.AddresseeUser, message);
SelectedChat.AddMessage(message);
TbMessage.Clear();
TbMessage.Focus();
}
catch (Exception ex)
{
DisplayError(ex);
}
}
private void AddMessageToChat(Message ms)
{
var chat = Chats.FirstOrDefault(ch => Equals(ch.AddresseeUser, ms.Author));
if (chat == null)
{
chat = new Chat() {AddresseeUser = ms.Author};
Chats.Add(chat);
chat.AddMessage(ms);
}
else chat.AddMessage(ms);
}
private void RefreshUserList(Message ms)
{
if (Users.All(us => !Equals(us, ms.Author)))
Users.Add(ms.Author);
}
/// <summary>
/// Send message async
/// </summary>
/// <param name="addresseeUser"></param>
/// <param name="message"></param>
/// <returns></returns>
public async Task SendMessage(User addresseeUser, Message message)
{
var bf = new BinaryFormatter();
using (var memoryStream = new MemoryStream())
{
bf.Serialize(memoryStream, message);
await _udpClient.SendAsync(memoryStream.ToArray(), Convert.ToInt32(memoryStream.Length),
new IPEndPoint(addresseeUser.IpAddress, GetIntParamFromConfig("RemotePort")));
}
}