66 lines
2.7 KiB
Scala
66 lines
2.7 KiB
Scala
package com.twitter.home_mixer.functional_component.side_effect
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import com.twitter.home_mixer.model.HomeFeatures.ImpressionBloomFilterFeature
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import com.twitter.home_mixer.model.request.HasSeenTweetIds
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import com.twitter.home_mixer.param.HomeGlobalParams.EnableImpressionBloomFilter
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import com.twitter.home_mixer.service.HomeMixerAlertConfig
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import com.twitter.product_mixer.core.functional_component.side_effect.PipelineResultSideEffect
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import com.twitter.product_mixer.core.model.common.identifier.SideEffectIdentifier
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import com.twitter.product_mixer.core.model.common.presentation.CandidateWithDetails
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import com.twitter.product_mixer.core.model.marshalling.HasMarshalling
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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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import com.twitter.timelines.clients.manhattan.store.ManhattanStoreClient
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import com.twitter.timelines.impressionbloomfilter.{thriftscala => blm}
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import javax.inject.Inject
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import javax.inject.Singleton
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@Singleton
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class PublishImpressionBloomFilterSideEffect @Inject() (
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bloomFilterClient: ManhattanStoreClient[
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blm.ImpressionBloomFilterKey,
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blm.ImpressionBloomFilterSeq
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]) extends PipelineResultSideEffect[PipelineQuery with HasSeenTweetIds, HasMarshalling]
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with PipelineResultSideEffect.Conditionally[
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PipelineQuery with HasSeenTweetIds,
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HasMarshalling
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] {
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override val identifier: SideEffectIdentifier =
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SideEffectIdentifier("PublishImpressionBloomFilter")
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private val SurfaceArea = blm.SurfaceArea.HomeTimeline
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override def onlyIf(
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query: PipelineQuery with HasSeenTweetIds,
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selectedCandidates: Seq[CandidateWithDetails],
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remainingCandidates: Seq[CandidateWithDetails],
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droppedCandidates: Seq[CandidateWithDetails],
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response: HasMarshalling
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): Boolean =
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query.params.getBoolean(EnableImpressionBloomFilter) && query.seenTweetIds.exists(_.nonEmpty)
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def buildEvents(query: PipelineQuery): Option[blm.ImpressionBloomFilterSeq] = {
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query.features.flatMap { featureMap =>
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val impressionBloomFilterSeq = featureMap.get(ImpressionBloomFilterFeature)
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if (impressionBloomFilterSeq.entries.nonEmpty) Some(impressionBloomFilterSeq)
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else None
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}
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}
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override def apply(
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inputs: PipelineResultSideEffect.Inputs[PipelineQuery with HasSeenTweetIds, HasMarshalling]
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): Stitch[Unit] = {
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buildEvents(inputs.query)
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.map { updatedBloomFilterSeq =>
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bloomFilterClient.write(
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blm.ImpressionBloomFilterKey(inputs.query.getRequiredUserId, SurfaceArea),
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updatedBloomFilterSeq)
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}.getOrElse(Stitch.Unit)
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}
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override val alerts = Seq(
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HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(99.8)
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)
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}
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