protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
_logger.LogDebug("{serviceName} is starting", nameof(BackgroundConsumeTwitterFeed));
stoppingToken.Register(() =>
_logger.LogDebug("{serviceName} background task is stopping.", nameof(BackgroundConsumeTwitterFeed)));
while (!stoppingToken.IsCancellationRequested)
{
_logger.LogDebug("{serviceName} task doing background work.", nameof(BackgroundConsumeTwitterFeed));
var client = await _credentialProvider.GetAuthenticatedTwitterClient();
var sampleStream = client.StreamsV2.CreateSampleStream();
sampleStream.TweetReceived += (_, eventArgs) =>
{
try
{
_tweetProcessor.ProcessTweet(eventArgs.Tweet);
}
catch (TwitterAuthException e)
{
_logger.LogError(e, "Auth exception, check credentials");
}
catch (TwitterException e)
{
_logger.LogError(e, "Error from twitter");
}
catch (Exception e)
{
_logger.LogError(e, "Error processing tweet");
}
};
await sampleStream.StartAsync();
}
_logger.LogDebug("{serviceName} background task is stopping.", nameof(BackgroundConsumeTwitterFeed));
await Task.CompletedTask;
}
