private void Client_OnChannelMessage(object sender, IrcEventArgs e)
{
if (string.IsNullOrEmpty(e.Data.Message))
{
return;
}
var from = new SenderDetails
{
Nickname = e.Data.Nick,
Ident = e.Data.Ident,
Hostname = e.Data.Host,
};
var messageDetails = new MessageDetails(e.Data.Channel, from, e.Data.Message);
lock ( monitorsLock )
{
foreach (var monitor in registeredMonitors)
{
monitor.DoMessage(messageDetails);
}
}
}
protected abstract void OnMessage(MessageDetails msgDetails);
protected async override void OnMessage(MessageDetails msgDetails)
{
if (!Settings.Current.DoesChannelHaveTag(msgDetails.Channel, "spiders"))
{
// channel isn't configured for spider detection
return;
}
if (string.IsNullOrEmpty(Settings.Current.CognitiveVisionKey))
{
// api key is missing, not much to do
return;
}
var urls = GetUrls(msgDetails.Message);
var client = new VisionServiceClient(Settings.Current.CognitiveVisionKey, Settings.Current.CognitiveVisionEndpoint);
foreach (var url in urls)
{
AnalysisResult result = null;
try
{
result = await client.AnalyzeImageAsync(url, new[] { VisualFeature.Description, VisualFeature.Tags });
}
catch (Exception ex)
{
Log.WriteError("Spiders", "Error occurred while submitting image for analysis: {0}", ex);
return;
}
var spiderResult = result?.Tags?
// order the spider tag first
.OrderByDescending(t => string.Equals(t.Name, "spider"))
.FirstOrDefault(t =>
{
if (string.Equals(t.Name, "spider"))
{
return(t.Confidence > 0.40);
}
if (string.Equals(t.Name, "arthropod"))
{
return(t.Confidence > 0.80);
}
return(false);
});
if (spiderResult != null)
{
// WTF
if (!string.Equals(spiderResult.Name, "spider"))
{
// if we didn't directly match a spider, reduce our confidence level
spiderResult.Confidence -= 0.40;
}
double confidencePercent = spiderResult.Confidence * 100.0;
IRC.Instance.Send(msgDetails.Channel, $"🕷 Alert! I'm like {confidencePercent:0.00}% sure there's a spider in {url}");
return;
}
}
}
internal void DoMessage(MessageDetails msgDetails)
{
OnMessage(msgDetails);
}