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69 lines
2.7 KiB
Scala
69 lines
2.7 KiB
Scala
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package com.twitter.home_mixer.functional_component.feature_hydrator
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import com.twitter.home_mixer.model.HomeFeatures.FollowingLastNonPollingTimeFeature
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import com.twitter.home_mixer.model.HomeFeatures.LastNonPollingTimeFeature
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import com.twitter.home_mixer.model.HomeFeatures.NonPollingTimesFeature
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import com.twitter.home_mixer.service.HomeMixerAlertConfig
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import com.twitter.product_mixer.core.feature.Feature
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import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
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import com.twitter.product_mixer.core.feature.featuremap.FeatureMapBuilder
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import com.twitter.product_mixer.core.functional_component.feature_hydrator.QueryFeatureHydrator
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import com.twitter.product_mixer.core.model.common.identifier.FeatureHydratorIdentifier
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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.user_session_store.ReadRequest
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import com.twitter.user_session_store.ReadWriteUserSessionStore
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import com.twitter.user_session_store.UserSessionDataset
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import com.twitter.user_session_store.UserSessionDataset.UserSessionDataset
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import com.twitter.util.Time
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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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case class LastNonPollingTimeQueryFeatureHydrator @Inject() (
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userSessionStore: ReadWriteUserSessionStore)
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extends QueryFeatureHydrator[PipelineQuery] {
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override val identifier: FeatureHydratorIdentifier =
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FeatureHydratorIdentifier("LastNonPollingTime")
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override val features: Set[Feature[_, _]] = Set(
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FollowingLastNonPollingTimeFeature,
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LastNonPollingTimeFeature,
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NonPollingTimesFeature
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)
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private val datasets: Set[UserSessionDataset] = Set(UserSessionDataset.NonPollingTimes)
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override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
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userSessionStore
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.read(ReadRequest(query.getRequiredUserId, datasets))
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.map { userSession =>
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val nonPollingTimestamps = userSession.flatMap(_.nonPollingTimestamps)
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val lastNonPollingTime = nonPollingTimestamps
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.flatMap(_.nonPollingTimestampsMs.headOption)
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.map(Time.fromMilliseconds)
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val followingLastNonPollingTime = nonPollingTimestamps
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.flatMap(_.mostRecentHomeLatestNonPollingTimestampMs)
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.map(Time.fromMilliseconds)
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val nonPollingTimes = nonPollingTimestamps
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.map(_.nonPollingTimestampsMs)
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.getOrElse(Seq.empty)
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FeatureMapBuilder()
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.add(FollowingLastNonPollingTimeFeature, followingLastNonPollingTime)
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.add(LastNonPollingTimeFeature, lastNonPollingTime)
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.add(NonPollingTimesFeature, nonPollingTimes)
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.build()
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}
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}
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override val alerts = Seq(
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HomeMixerAlertConfig.BusinessHours.defaultSuccessRateAlert(99.9)
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)
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}
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