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b389c3d302
Pushservice is the main recommendation service we use to surface recommendations to our users via notifications. It fetches candidates from various sources, ranks them in order of relevance, and applies filters to determine the best one to send.
88 lines
3.5 KiB
Scala
88 lines
3.5 KiB
Scala
package com.twitter.frigate.pushservice.predicate.ntab_caret_fatigue
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import com.twitter.finagle.stats.StatsReceiver
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import com.twitter.frigate.common.predicate.FatiguePredicate
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import com.twitter.frigate.pushservice.predicate.CaretFeedbackHistoryFilter
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import com.twitter.frigate.pushservice.predicate.{
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TargetNtabCaretClickFatiguePredicate => CommonNtabCaretClickFatiguePredicate
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}
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import com.twitter.frigate.pushservice.model.PushTypes.PushCandidate
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import com.twitter.frigate.pushservice.params.PushParams
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import com.twitter.frigate.thriftscala.NotificationDisplayLocation
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import com.twitter.frigate.thriftscala.{CommonRecommendationType => CRT}
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import com.twitter.hermit.predicate.NamedPredicate
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import com.twitter.hermit.predicate.Predicate
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import com.twitter.notificationservice.thriftscala.CaretFeedbackDetails
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import com.twitter.util.Duration
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import com.twitter.util.Future
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object RecTypeNtabCaretClickFatiguePredicate {
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val defaultName = "RecTypeNtabCaretClickFatiguePredicateForCandidate"
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private def candidateFatiguePredicate(
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genericTypeCategories: Seq[String],
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crts: Set[CRT]
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)(
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implicit stats: StatsReceiver
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): NamedPredicate[
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PushCandidate
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] = {
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val name = "f1TriggeredCRTBasedFatiguePredciate"
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val scopedStats = stats.scope(s"predicate_$name")
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Predicate
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.fromAsync { candidate: PushCandidate =>
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if (candidate.frigateNotification.notificationDisplayLocation == NotificationDisplayLocation.PushToMobileDevice) {
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if (candidate.target.params(PushParams.EnableFatigueNtabCaretClickingParam)) {
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NtabCaretClickContFnFatiguePredicate
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.ntabCaretClickContFnFatiguePredicates(
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filterHistory = FatiguePredicate.recTypesOnlyFilter(crts),
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filterCaretFeedbackHistory =
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CaretFeedbackHistoryFilter.caretFeedbackHistoryFilter(genericTypeCategories),
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filterInlineFeedbackHistory =
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NtabCaretClickFatigueUtils.feedbackModelFilterByCRT(crts)
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).apply(Seq(candidate))
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.map(_.headOption.getOrElse(false))
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} else Future.True
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} else {
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Future.True
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}
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}.withStats(scopedStats)
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.withName(name)
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}
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def apply(
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genericTypeCategories: Seq[String],
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crts: Set[CRT],
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calculateFatiguePeriod: Seq[CaretFeedbackDetails] => Duration,
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useMostRecentDislikeTime: Boolean,
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name: String = defaultName
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)(
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implicit globalStats: StatsReceiver
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): NamedPredicate[PushCandidate] = {
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val scopedStats = globalStats.scope(name)
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val commonNtabCaretClickFatiguePredicate = CommonNtabCaretClickFatiguePredicate(
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filterCaretFeedbackHistory =
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CaretFeedbackHistoryFilter.caretFeedbackHistoryFilter(genericTypeCategories),
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filterHistory = FatiguePredicate.recTypesOnlyFilter(crts),
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calculateFatiguePeriod = calculateFatiguePeriod,
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useMostRecentDislikeTime = useMostRecentDislikeTime,
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name = name
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)(globalStats)
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Predicate
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.fromAsync { candidate: PushCandidate =>
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if (candidate.frigateNotification.notificationDisplayLocation == NotificationDisplayLocation.PushToMobileDevice) {
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if (candidate.target.params(PushParams.EnableFatigueNtabCaretClickingParam)) {
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commonNtabCaretClickFatiguePredicate
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.apply(Seq(candidate.target))
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.map(_.headOption.getOrElse(false))
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} else Future.True
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} else {
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Future.True
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}
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}.andThen(candidateFatiguePredicate(genericTypeCategories, crts))
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.withStats(scopedStats)
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.withName(name)
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}
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}
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