private async Task DoWorkAsync(object state, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
_timer?.Change(Timeout.Infinite, Timeout.Infinite);
return;
}
// Check follower count & publish to SignalR hub
long followerCount = await _streamAnalytics.GetFollowerCountAsync();
if (followerCount != _followerCount)
{
_followerCount = followerCount;
await _overlayHubContext.Clients.All.SendAsync("ReceiveFollowerCount", _followerCount);
}
// Check viewer count & publish to SignalR hub
int viewerCount = await _streamAnalytics.GetViewerCountAsync();
if (viewerCount != _viewerCount)
{
_viewerCount = viewerCount;
await _overlayHubContext.Clients.All.SendAsync("ReceiveViewerCount", _viewerCount);
}
StreamUserModel lastFollower = await _streamAnalytics.GetLastFollowerAsync();
if (lastFollower != _lastFollower)
{
_lastFollower = lastFollower;
await _overlayHubContext.Clients.All.SendAsync("ReceiveNewFollower", _lastFollower);
}
}
private async Task UpdateLastFollowerAsync()
{
_lastFollower = await _streamAnalytics.GetLastFollowerAsync();
}