55 lines
2.3 KiB
Scala
55 lines
2.3 KiB
Scala
package com.twitter.home_mixer.functional_component.decorator.urt.builder
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import com.twitter.home_mixer.model.HomeFeatures.PerspectiveFilteredLikedByUserIdsFeature
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import com.twitter.home_mixer.model.HomeFeatures.SGSValidLikedByUserIdsFeature
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import com.twitter.home_mixer.product.following.model.HomeMixerExternalStrings
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import com.twitter.product_mixer.component_library.model.candidate.TweetCandidate
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import com.twitter.product_mixer.core.feature.featuremap.FeatureMap
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import com.twitter.product_mixer.core.functional_component.decorator.urt.builder.social_context.BaseSocialContextBuilder
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import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.LikeGeneralContextType
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import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.SocialContext
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import com.twitter.product_mixer.core.pipeline.PipelineQuery
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import com.twitter.product_mixer.core.product.guice.scope.ProductScoped
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import com.twitter.stringcenter.client.StringCenter
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import javax.inject.Inject
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import javax.inject.Provider
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import javax.inject.Singleton
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@Singleton
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case class LikedBySocialContextBuilder @Inject() (
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externalStrings: HomeMixerExternalStrings,
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@ProductScoped stringCenterProvider: Provider[StringCenter])
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extends BaseSocialContextBuilder[PipelineQuery, TweetCandidate] {
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private val stringCenter = stringCenterProvider.get()
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private val engagerSocialContextBuilder = EngagerSocialContextBuilder(
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contextType = LikeGeneralContextType,
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stringCenter = stringCenter,
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oneUserString = externalStrings.socialContextOneUserLikedString,
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twoUsersString = externalStrings.socialContextTwoUsersLikedString,
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moreUsersString = externalStrings.socialContextMoreUsersLikedString,
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timelineTitle = externalStrings.socialContextLikedByTimelineTitle
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)
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def apply(
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query: PipelineQuery,
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candidate: TweetCandidate,
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candidateFeatures: FeatureMap
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): Option[SocialContext] = {
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// Liked by users are valid only if they pass both the SGS and Perspective filters.
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val validLikedByUserIds =
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candidateFeatures
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.getOrElse(SGSValidLikedByUserIdsFeature, Nil)
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.filter(
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candidateFeatures.getOrElse(PerspectiveFilteredLikedByUserIdsFeature, Nil).toSet.contains)
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engagerSocialContextBuilder(
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socialContextIds = validLikedByUserIds,
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query = query,
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candidateFeatures = candidateFeatures
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)
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}
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}
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