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33 lines
1.4 KiB
Scala
33 lines
1.4 KiB
Scala
package com.twitter.product_mixer.component_library.filter
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import com.twitter.product_mixer.component_library.model.cursor.UrtUnorderedExcludeIdsCursor
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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.UniversalNoun
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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.HasPipelineCursor
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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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case class UrtUnorderedExcludeIdsCursorFilter[
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Candidate <: UniversalNoun[Long],
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Query <: PipelineQuery with HasPipelineCursor[UrtUnorderedExcludeIdsCursor]
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]() extends Filter[Query, Candidate] {
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override val identifier: FilterIdentifier = FilterIdentifier("UnorderedExcludeIdsCursor")
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override def apply(
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query: Query,
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candidates: Seq[CandidateWithFeatures[Candidate]]
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): Stitch[FilterResult[Candidate]] = {
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val excludeIds = query.pipelineCursor.map(_.excludedIds.toSet).getOrElse(Set.empty)
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val (kept, removed) =
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candidates.map(_.candidate).partition(candidate => !excludeIds.contains(candidate.id))
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val filterResult = FilterResult(kept = kept, removed = removed)
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Stitch.value(filterResult)
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}
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}
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