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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.
39 lines
1.5 KiB
Scala
39 lines
1.5 KiB
Scala
package com.twitter.follow_recommendations.common.candidate_sources.recent_engagement
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import com.twitter.follow_recommendations.common.clients.real_time_real_graph.RealTimeRealGraphClient
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import com.twitter.follow_recommendations.common.models.CandidateUser
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import com.twitter.hermit.model.Algorithm
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import com.twitter.product_mixer.core.functional_component.candidate_source.CandidateSource
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import com.twitter.product_mixer.core.model.common.identifier.CandidateSourceIdentifier
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import com.twitter.stitch.Stitch
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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 RecentEngagementDirectFollowSource @Inject() (
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realTimeRealGraphClient: RealTimeRealGraphClient)
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extends CandidateSource[Long, CandidateUser] {
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val identifier: CandidateSourceIdentifier =
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RecentEngagementDirectFollowSource.Identifier
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/**
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* Generate a list of candidates for the target using RealtimeGraphClient
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* and RecentEngagementStore.
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*/
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override def apply(targetUserId: Long): Stitch[Seq[CandidateUser]] = {
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realTimeRealGraphClient
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.getUsersRecentlyEngagedWith(
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userId = targetUserId,
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engagementScoreMap = RealTimeRealGraphClient.EngagementScoreMap,
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includeDirectFollowCandidates = true,
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includeNonDirectFollowCandidates = false
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)
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.map(_.map(_.withCandidateSource(identifier)).sortBy(-_.score.getOrElse(0.0)))
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}
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}
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object RecentEngagementDirectFollowSource {
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val Identifier = CandidateSourceIdentifier(Algorithm.RecentEngagementDirectFollow.toString)
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}
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