public static async Task <TweetProcessingData> ProcessTweet(
[OrchestrationTrigger] IDurableOrchestrationContext context,
ILogger log)
{
TweetProcessingData tpd = context.GetInput <TweetProcessingData>();
if (!context.IsReplaying)
{
log.LogInformation("P_ProcessTweet call A_GetBusinessLogicScore");
}
// The following function is not async, so it could be called directly rather than through the activity model.
PublishLabel tmpLabelBL = PublishLabel.NotAssigned;
(tpd.Score, tmpLabelBL, tpd.TextWithoutTagsHighlighted) = await
context.CallActivityAsync <Tuple <double, PublishLabel, string> >("A_GetBusinessLogicScore", tpd.TextWithoutTags);
tpd.LabelBL = (int)tmpLabelBL;
if (tpd.LabelBL != (int)PublishLabel.Negative)
{
log.LogInformation("Minimum BL score exceeded, query ML filter.");
var mlResult = await context.CallActivityAsync <MlResult>("A_GetMlScore", tpd.TextWithoutTags);
tpd.ScoreML = mlResult.Score;
tpd.LabelML = (int)mlResult.Label;
tpd.VersionML = mlResult.MlVersion;
if (!(tpd.VersionML is null))
{
log.LogInformation(
$"ML-inference OK, label: {tpd.LabelML}, "
+ $"score: {tpd.ScoreML.ToString("F", CultureInfo.InvariantCulture)}, "
+ $"version: {tpd.VersionML}");
}
else
{
// Did not get a reply from the ML function, therefore
// we fall back and continue according to the traditional
// logic's result; indicated by tpd.VersionML is null.
log.LogInformation("ML inference failed or did not reply, rely on conventional logic.");
}
}
public static Tuple <double, PublishLabel, string> GetBusinessLogicScore([ActivityTrigger] string textWithoutTags, ILogger log)
{
log.LogInformation("A_GetBusinessLogicScore: Start.");
string highlightedText;
double score = TweetAnalysis.ScoreTweet(textWithoutTags,
out highlightedText);
double minScoreBL = TweetAnalysis.GetScoreFromEnv("AZTWITTERSAR_MINSCORE", log, 0.01f);
PublishLabel label = PublishLabel.Negative;
if (score > minScoreBL)
{
label = PublishLabel.Positive;
}
log.LogInformation("A_GetBusinessLogicScore: Done.");
return(new Tuple <double, PublishLabel, string>(score, label, highlightedText));
}
