public void WhenSameMessageLikeReviewIsSentMultipleTimesInRow_ThenThrottleThemAndOnlyEmitLatestMessage()
{
var testScheduler = new TestScheduler();
var listener = new List <string>();
var throttler = new MessageThrottler(testScheduler);
throttler.Messages().Subscribe(x => listener.Add(x.model.Title));
throttler.Emit("same_channel", new SlackMessageModel("same_title", "_"));
throttler.Emit("same_channel", new SlackMessageModel("same_title", "_"));
throttler.Emit("same_channel", new SlackMessageModel("same_title", "_"));
testScheduler.AdvanceBy(TimeSpan.FromSeconds(20).Ticks);
listener.Should().HaveCount(1);
}
public SlackMessaging(IOptions <AppOptions> options, ILogger <SlackMessaging> logger, MessageThrottler throttler)
{
this.options = options.Value;
this.throttler = throttler;
if (string.IsNullOrEmpty(this.options.SlackIntegrationUri))
{
throw new ArgumentException(nameof(this.options.SlackIntegrationUri));
}
throttler.Messages()
.Subscribe(async toSend =>
{
try
{
await SendMessageToChannel(toSend.slackChannel, toSend.model);
}
catch (Exception ex)
{
logger.LogError(ex, $"Error occurred while tried to send message '{toSend.model.Title}' to channel '{toSend.slackChannel}', error: {ex}");
}
});
}