protected override async Task Execute(CancellationToken token)
{
log.LogInformation("Starting twitter monitoring...");
var keywords = string.IsNullOrEmpty(config.Keywords) ? new string[] { } : config.Keywords.Split(',');
var follow = string.IsNullOrEmpty(config.People) ? new string[] { } : config.People.Split(',');
if (follow.Length == 0 &&
keywords.Length == 0)
{
throw new NotSupportedException("Invalid selection");
}
var subscribtion = monitoring.MessagesReceiving
.ObserveOn(TaskPoolScheduler.Default)
.Subscribe(item => persistency.Save(item));
await monitoring.Start(keywords, follow).ConfigureAwait(false);
subscribtion.Dispose();
}
private void Start()
{
logger.LogInformation("Starting stream...");
var auth = authentication.Authenticate();
Auth.SetUserCredentials(auth.ConsumerKey, auth.ConsumerSecret, auth.AccessToken, auth.AccessTokenSecret);
stream.LanguageFilters = Trackers.Languages;
subscription = stream.MessagesReceiving
.ObserveOn(TaskPoolScheduler.Default)
.Where(item => !duplicateDetectors.HasReceived(item.Text))
.Select(Save)
.Merge()
.Subscribe(
item => { logger.LogDebug("Processed message: {0} ({1})", item.Text, item.Language); },
e => logger.LogError(e, "Stream error"),
() => logger.LogInformation("Completed!"));
var keywords = Trackers.Trackers.Where(item => item.IsKeyword).Select(item => item.Keyword).ToArray();
var users = Trackers.Trackers.Where(item => !item.IsKeyword).Select(item => item.Keyword).ToArray();
Task.Factory.StartNew(async() => await stream.Start(keywords, users).ConfigureAwait(false), TaskCreationOptions.LongRunning);
}