private void HandleMessage(ICDEThing arg1, object arg2)
{
var msg = (arg2 as TheProcessMessage).Message;
if (msg == null)
{
return;
}
var messageName = TheCommRequestResponse.ParseRequestOrResponseMessage(msg, out var messageParameters, out var correlationToken);
switch (messageName)
{
case nameof(MsgChatHello):
{
var request = TheCommRequestResponse.ParseRequestMessageJSON <MsgChatHello>(msg);
if (request != null)
{
// Messages come in on a .Net Threadpool thread, so need to dispatch it to the WPF main thread before we can access any WPF controls
this.Dispatcher.InvokeAsync(() =>
{
var chatMessage = new ChatMessage
{
MessageId = correlationToken,
SenderName = request.SenderName,
Message = request.Message,
SeenBy = 0,
Sent = msg.TIM,
Received = DateTimeOffset.Now,
};
MessageList.Items.Insert(0, chatMessage);
});
TheCommRequestResponse.PublishResponseMessageJson(msg, new MsgChatHelloResponse {
Acknowledged = true
});
}
else
{
TheCommRequestResponse.PublishResponseMessageJson(msg, new MsgChatHelloResponse {
Acknowledged = false
});
}
}
break;
case nameof(MsgChatHello) + "_RESPONSE":
{
var request = TheCommRequestResponse.ParseRequestMessageJSON <MsgChatHelloResponse>(msg);
if (request != null)
{
this.Dispatcher.InvokeAsync(() =>
{
if (request.Acknowledged)
{
int i = 0;
foreach (var item in MessageList.Items)
{
var chatMessage = item as ChatMessage;
if (chatMessage != null)
{
if (chatMessage.MessageId == correlationToken)
{
chatMessage.SeenBy++;
MessageList.Items.RemoveAt(i);
MessageList.Items.Insert(i, chatMessage);
break;
}
}
i++;
}
}
else
{
MessageBox.Show($"Somebody ({msg.ORG}) rejected our message {correlationToken}");
}
});
}
else
{
// Somebody is sending MsgChatHelloResponse messages in an unknown/incompatible format, or somebody rejected a message for some reason
this.Dispatcher.InvokeAsync(() =>
{
MessageBox.Show($"Received invalid MsgChatHelloResponse: {msg}");
});
}
}
break;
}
}
