public async Task GetConversation(int contactId)
{
int userId = _authService.GetCurrentUserId();
//Leave Old Chatroom if in one
string oldChatRoomId = await _chatHubService.GetCurrentUserRoom(userId);
if (oldChatRoomId != null)
{
await Groups.RemoveFromGroupAsync(this.Context.ConnectionId, oldChatRoomId);
}
//Join Chatroom
string chatRoomId = await _chatHubService.AddOrUpdateUserRoom(userId, contactId);
await Groups.AddToGroupAsync(this.Context.ConnectionId, chatRoomId);
try
{
//DB Call
List <Message> messages = _service.GetConversation(userId, contactId);
//send initial conversation individually, so user 1 doesnt refresh on user 2 join
if (messages == null)
{
await Clients.Caller.SendAsync("ReceiveMessages", null);
}
else
{
await Clients.Caller.SendAsync("ReceiveMessages", messages);
}
}
catch (Exception ex)
{
await Clients.Caller.SendAsync("ReceiveMessages", null, ex);
}
}
