47 lines
1.8 KiB
Scala
47 lines
1.8 KiB
Scala
package com.twitter.home_mixer.functional_component.feature_hydrator
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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.socialgraph.{thriftscala => sg}
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import com.twitter.stitch.Stitch
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import com.twitter.stitch.socialgraph.{SocialGraph => SocialGraphStitchClient}
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import javax.inject.Inject
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import javax.inject.Singleton
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object SGSFollowedUsersFeature extends Feature[PipelineQuery, Seq[Long]]
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@Singleton
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case class SGSFollowedUsersQueryFeatureHydrator @Inject() (
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socialGraphStitchClient: SocialGraphStitchClient)
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extends QueryFeatureHydrator[PipelineQuery] {
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override val identifier: FeatureHydratorIdentifier =
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FeatureHydratorIdentifier("SGSFollowedUsers")
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override val features: Set[Feature[_, _]] = Set(SGSFollowedUsersFeature)
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private val SocialGraphLimit = 14999
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override def hydrate(query: PipelineQuery): Stitch[FeatureMap] = {
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val userId = query.getRequiredUserId
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val request = sg.IdsRequest(
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relationships = Seq(
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sg.SrcRelationship(userId, sg.RelationshipType.Following, hasRelationship = true),
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sg.SrcRelationship(userId, sg.RelationshipType.Muting, hasRelationship = false)
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),
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pageRequest = Some(sg.PageRequest(count = Some(SocialGraphLimit)))
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)
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socialGraphStitchClient
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.ids(request).map(_.ids)
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.map { followedUsers =>
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FeatureMapBuilder().add(SGSFollowedUsersFeature, followedUsers).build()
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}
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}
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}
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