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ef4c5eb65e
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.
38 lines
1.6 KiB
Scala
38 lines
1.6 KiB
Scala
package com.twitter.product_mixer.component_library.filter
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import com.twitter.product_mixer.component_library.model.candidate.BaseTweetCandidate
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import com.twitter.product_mixer.component_library.model.candidate.TweetAuthorIdFeature
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import com.twitter.product_mixer.core.functional_component.filter.Filter
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import com.twitter.product_mixer.core.functional_component.filter.FilterResult
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import com.twitter.product_mixer.core.model.common.CandidateWithFeatures
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import com.twitter.product_mixer.core.model.common.identifier.FilterIdentifier
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import com.twitter.product_mixer.core.pipeline.PipelineQuery
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import com.twitter.stitch.Stitch
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/**
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* A [[filter]] that filters based on whether query user is the author of the tweet. This will NOT filter empty user ids
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* @note It is recommended to apply [[HasAuthorIdFeatureFilter]] before this, as this will FAIL if feature is unavailable
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*
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* @tparam Candidate The type of the candidates
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*/
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case class TweetAuthorIsSelfFilter[Candidate <: BaseTweetCandidate]()
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extends Filter[PipelineQuery, Candidate] {
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override val identifier: FilterIdentifier = FilterIdentifier("TweetAuthorIsSelf")
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override def apply(
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query: PipelineQuery,
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candidates: Seq[CandidateWithFeatures[Candidate]]
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): Stitch[FilterResult[Candidate]] = {
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val (kept, removed) = candidates.partition { candidate =>
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val authorId = candidate.features.get(TweetAuthorIdFeature)
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!query.getOptionalUserId.contains(authorId)
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}
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val filterResult = FilterResult(
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kept = kept.map(_.candidate),
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removed = removed.map(_.candidate)
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)
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Stitch.value(filterResult)
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}
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}
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