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73 lines
2.9 KiB
Scala
73 lines
2.9 KiB
Scala
package com.twitter.home_mixer.product.for_you.feature_hydrator
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import com.twitter.home_mixer.model.HomeFeatures.AuthorIdFeature
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import com.twitter.home_mixer.model.HomeFeatures.IsHydratedFeature
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import com.twitter.home_mixer.model.HomeFeatures.TweetTextFeature
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import com.twitter.product_mixer.component_library.model.candidate.BaseTweetCandidate
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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.CandidateFeatureHydrator
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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.spam.rtf.{thriftscala => rtf}
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import com.twitter.stitch.Stitch
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import com.twitter.stitch.tweetypie.{TweetyPie => TweetypieStitchClient}
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import com.twitter.tweetypie.{thriftscala => TP}
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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 TweetPreviewTweetypieCandidateFeatureHydrator @Inject() (
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tweetypieStitchClient: TweetypieStitchClient)
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extends CandidateFeatureHydrator[PipelineQuery, BaseTweetCandidate] {
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private val CoreTweetFields: Set[TP.TweetInclude] = Set[TP.TweetInclude](
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TP.TweetInclude.TweetFieldId(TP.Tweet.IdField.id),
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TP.TweetInclude.TweetFieldId(TP.Tweet.CoreDataField.id)
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)
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private val DefaultFeatureMap = FeatureMapBuilder()
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.add(TweetTextFeature, None)
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.add(IsHydratedFeature, false)
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.add(AuthorIdFeature, None)
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.build()
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override val features: Set[Feature[_, _]] =
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Set(TweetTextFeature, IsHydratedFeature, AuthorIdFeature)
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override val identifier: FeatureHydratorIdentifier =
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FeatureHydratorIdentifier("TweetPreviewTweetypie")
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override def apply(
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query: PipelineQuery,
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candidate: BaseTweetCandidate,
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existingFeatures: FeatureMap
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): Stitch[FeatureMap] = {
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tweetypieStitchClient
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.getTweetFields(
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tweetId = candidate.id,
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options = TP.GetTweetFieldsOptions(
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tweetIncludes = CoreTweetFields,
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includeRetweetedTweet = false,
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includeQuotedTweet = false,
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visibilityPolicy = TP.TweetVisibilityPolicy.UserVisible,
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safetyLevel = Some(rtf.SafetyLevel.TimelineHomeTweetPreview),
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forUserId = query.getOptionalUserId
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)
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).map {
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case TP.GetTweetFieldsResult(_, TP.TweetFieldsResultState.Found(found), quoteOpt, _) =>
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val tweetText = found.tweet.coreData.map(_.text)
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FeatureMapBuilder()
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.add(TweetTextFeature, tweetText)
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.add(IsHydratedFeature, true)
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.add(AuthorIdFeature, found.tweet.coreData.map(_.userId))
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.build()
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// If no tweet result found, return default features
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case _ =>
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DefaultFeatureMap
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}
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}
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}
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