the-algorithm/home-mixer/server/src/main/scala/com/twitter/home_mixer/product/scored_tweets/response_transformer/ScoredTweetsUtegResponseFeatureTransformer.scala
twitter-team ef4c5eb65e Twitter Recommendation Algorithm
Please note we have force-pushed a new initial commit in order to remove some publicly-available Twitter user information. Note that this process may be required in the future.
2023-03-31 17:36:31 -05:00

32 lines
1.5 KiB
Scala

package com.twitter.home_mixer.product.scored_tweets.response_transformer
import com.twitter.home_mixer.model.HomeFeatures.CandidateSourceIdFeature
import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
import com.twitter.product_mixer.core.feature.Feature
import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
import com.twitter.product_mixer.core.functional_component.transformer.CandidateFeatureTransformer
import com.twitter.product_mixer.core.model.common.identifier.TransformerIdentifier
import com.twitter.timelineranker.{thriftscala => tlr}
import com.twitter.timelineservice.suggests.logging.candidate_tweet_source_id.{thriftscala => cts}
import com.twitter.timelineservice.suggests.{thriftscala => st}
object ScoredTweetsUtegResponseFeatureTransformer
extends CandidateFeatureTransformer[tlr.CandidateTweet] {
override val identifier: TransformerIdentifier = TransformerIdentifier("ScoredTweetsUtegResponse")
override val features: Set[Feature[_, _]] = TimelineRankerResponseTransformer.features
override def transform(candidate: tlr.CandidateTweet): FeatureMap = {
val baseFeatures = TimelineRankerResponseTransformer.transform(candidate)
val features = FeatureMapBuilder()
.add(CandidateSourceIdFeature, Some(cts.CandidateTweetSourceId.RecommendedTweet))
.add(SuggestTypeFeature, Some(st.SuggestType.ActivityTweet))
.build()
baseFeatures ++ features
}
}