async Task ExecuteLoadChatRecordsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
ChatRecords.Clear();
var chatRecords = await DataStore.GetChatRecordsAsync(true);
ChatRecords.ReplaceRange(chatRecords);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load items.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}
private void ConnectionLostHandler()
{
MessageBox.Show("与服务端的连接丢失");
ChatUserInfos.Clear();
ChatRecords.Clear();
NetworkClient.Stop();
GlobalValue.IsInRoom = false;
MainWindow.VM.Status = "Not in room....";
}
private void RoomCloseHandler()
{
MessageBox.Show("当前房间已关闭");
ChatUserInfos.Clear();
ChatRecords.Clear();
NetworkClient.Stop();
if (GlobalValue.IsRoomMaster)
{
GlobalValue.IsRoomMaster = false;
BroadcastServer.Stop();
NetworkServer.Stop();
}
GlobalValue.IsInRoom = false;
MainWindow.VM.Status = "Not in room....";
}
private void UserExitHandler(UserExit userExit)
{
if (isSelfExitRoom)
{
isSelfExitRoom = false;
MessageBox.Show("你已经离开了房间");
ChatUserInfos.Clear();
ChatRecords.Clear();
NetworkClient.Stop();
GlobalValue.IsInRoom = false;
MainWindow.VM.Status = "Not in room....";
return;
}
ChatUserInfo chatUserInfo = ChatUserInfos.FirstOrDefault(c => c.UserName.Equals(userExit.UserName));
if (chatUserInfo != null)
{
ChatUserInfos.Remove(chatUserInfo);
}
}