the-algorithm/product-mixer/component-library/src/main/scala/com/twitter/product_mixer/component_library/filter/TweetIsNotReplyFilter.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

37 lines
1.3 KiB
Scala

package com.twitter.product_mixer.component_library.filter
import com.twitter.product_mixer.component_library.feature_hydrator.candidate.tweet_tweetypie.IsReplyFeature
import com.twitter.product_mixer.component_library.model.candidate.BaseTweetCandidate
import com.twitter.product_mixer.core.functional_component.filter.Filter
import com.twitter.product_mixer.core.functional_component.filter.FilterResult
import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
import com.twitter.product_mixer.core.pipeline.PipelineQuery
import com.twitter.stitch.Stitch
/**
* Filters out tweets that is a reply to a tweet
*/
case class TweetIsNotReplyFilter[Candidate <: BaseTweetCandidate]()
extends Filter[PipelineQuery, Candidate] {
override val identifier: FilterIdentifier = FilterIdentifier("TweetIsNotReply")
override def apply(
query: PipelineQuery,
candidates: Seq[CandidateWithFeatures[Candidate]]
): Stitch[FilterResult[Candidate]] = {
val (kept, removed) = candidates
.partition { candidate =>
!candidate.features.get(IsReplyFeature)
}
val filterResult = FilterResult(
kept = kept.map(_.candidate),
removed = removed.map(_.candidate)
)
Stitch.value(filterResult)
}
}