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45 lines
1.9 KiB
Scala
45 lines
1.9 KiB
Scala
package com.twitter.home_mixer.functional_component.decorator.builder
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import com.twitter.home_mixer.model.HomeFeatures.EntityTokenFeature
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import com.twitter.home_mixer.model.HomeFeatures.SuggestTypeFeature
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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.metadata.BaseClientEventDetailsBuilder
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import com.twitter.product_mixer.core.functional_component.decorator.urt.builder.metadata.BaseClientEventInfoBuilder
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import com.twitter.product_mixer.core.model.common.UniversalNoun
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import com.twitter.product_mixer.core.model.marshalling.response.urt.metadata.ClientEventInfo
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import com.twitter.product_mixer.core.pipeline.PipelineQuery
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import com.twitter.timelines.injection.scribe.InjectionScribeUtil
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/**
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* Sets the [[ClientEventInfo]] with the `component` field set to the Suggest Type assigned to each candidate
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*/
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case class HomeClientEventInfoBuilder[Query <: PipelineQuery, Candidate <: UniversalNoun[Any]](
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detailsBuilder: Option[BaseClientEventDetailsBuilder[Query, Candidate]] = None)
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extends BaseClientEventInfoBuilder[Query, Candidate] {
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override def apply(
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query: Query,
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candidate: Candidate,
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candidateFeatures: FeatureMap,
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element: Option[String]
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): Option[ClientEventInfo] = {
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val suggestType = candidateFeatures
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.getOrElse(SuggestTypeFeature, None)
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.getOrElse(throw new UnsupportedOperationException(s"No SuggestType was set"))
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Some(
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ClientEventInfo(
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component = InjectionScribeUtil.scribeComponent(suggestType),
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element = element,
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details = detailsBuilder.flatMap(_.apply(query, candidate, candidateFeatures)),
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action = None,
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/**
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* A backend entity encoded by the Client Entities Encoding Library.
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* Placeholder string for now
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*/
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entityToken = candidateFeatures.getOrElse(EntityTokenFeature, None)
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)
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)
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}
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}
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