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RUM-9511: Episodes and EpisodeDetails screens
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‎sample/benchmark/src/main/java/com/datadog/benchmark/sample/ui/rumauto/screens/episodedetails/RumAutoEpisodeDetailsAdapter.kt

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/*
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* Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
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* This product includes software developed at Datadog (https://www.datadoghq.com/).
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* Copyright 2016-Present Datadog, Inc.
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*/
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package com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails
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import com.datadog.benchmark.sample.ui.rumauto.screens.common.details.characterItemDelegate
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import com.datadog.benchmark.sample.utils.recycler.BaseRecyclerViewItem
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import com.hannesdorfmann.adapterdelegates4.ListDelegationAdapter
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import javax.inject.Inject
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internal class RumAutoEpisodeDetailsAdapter @Inject constructor(
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private val viewModel: RumAutoEpisodeDetailsViewModel
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) : ListDelegationAdapter<List<BaseRecyclerViewItem>>() {
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init {
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delegatesManager.apply {
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addDelegate(
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characterItemDelegate { viewModel.dispatch(RumAutoEpisodeDetailsAction.OnCharacterClicked(it)) }
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)
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}
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}
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}

‎sample/benchmark/src/main/java/com/datadog/benchmark/sample/ui/rumauto/screens/episodedetails/RumAutoEpisodeDetailsFragment.kt

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/*
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* Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
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* This product includes software developed at Datadog (https://www.datadoghq.com/).
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* Copyright 2016-Present Datadog, Inc.
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*/
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package com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.fragment.app.Fragment
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import androidx.lifecycle.lifecycleScope
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import androidx.lifecycle.viewModelScope
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import androidx.recyclerview.widget.GridLayoutManager
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import com.datadog.benchmark.sample.activities.scenarios.benchmarkActivityComponent
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import com.datadog.benchmark.sample.navigation.args
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import com.datadog.benchmark.sample.network.rickandmorty.models.Episode
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import com.datadog.benchmark.sample.ui.rumauto.screens.common.details.CharacterItem
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import com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails.di.DaggerRumAutoEpisodeDetailsComponent
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import com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails.di.RumAutoEpisodeDetailsComponent
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import com.datadog.benchmark.sample.utils.componentHolderViewModel
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import com.datadog.benchmark.sample.utils.recycler.applyNewItems
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import com.datadog.sample.benchmark.databinding.FragmentRumAutoEpisodeDetailsBinding
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import kotlinx.coroutines.flow.launchIn
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import kotlinx.coroutines.flow.onEach
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import javax.inject.Inject
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internal class RumAutoEpisodeDetailsFragment : Fragment() {
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private val episode: Episode by args()
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private val component: RumAutoEpisodeDetailsComponent by componentHolderViewModel {
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DaggerRumAutoEpisodeDetailsComponent.factory().create(
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deps = requireActivity().benchmarkActivityComponent,
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viewModelScope = viewModelScope,
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episode = episode
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)
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}
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@Inject
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internal lateinit var adapter: RumAutoEpisodeDetailsAdapter
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@Inject
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internal lateinit var viewModel: RumAutoEpisodeDetailsViewModel
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
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component.inject(this)
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val binding: FragmentRumAutoEpisodeDetailsBinding = FragmentRumAutoEpisodeDetailsBinding.inflate(
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inflater,
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container,
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false
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)
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@Suppress("MagicNumber")
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binding.characterDetailsRecycler.layoutManager = GridLayoutManager(requireContext(), 3)
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binding.characterDetailsRecycler.adapter = adapter
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viewModel.state
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.onEach { state ->
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binding.episodeDetailsTitle.text = state.episode.name
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binding.episodeDetailsCode.text = state.episode.episodeCode
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binding.episodeDetailsAirDate.text = state.episode.airDate
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binding.episodeDetailsCreated.text = state.episode.created
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val characters = state
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.charactersLoadingTask
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.optionalResult
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?.optionalResult
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?.map { character ->
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CharacterItem(
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character = character,
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key = character.id.toString()
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)
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} ?: emptyList()
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adapter.applyNewItems(characters)
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}
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.launchIn(lifecycleScope)
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return binding.root
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}
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}

‎sample/benchmark/src/main/java/com/datadog/benchmark/sample/ui/rumauto/screens/episodedetails/RumAutoEpisodeDetailsViewModel.kt

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/*
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* Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
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* This product includes software developed at Datadog (https://www.datadoghq.com/).
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* Copyright 2016-Present Datadog, Inc.
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*/
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package com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails
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import com.datadog.benchmark.sample.di.common.CoroutineDispatcherQualifier
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import com.datadog.benchmark.sample.di.common.CoroutineDispatcherType
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import com.datadog.benchmark.sample.network.KtorHttpResponse
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import com.datadog.benchmark.sample.network.rickandmorty.RickAndMortyNetworkService
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import com.datadog.benchmark.sample.network.rickandmorty.models.Character
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import com.datadog.benchmark.sample.network.rickandmorty.models.Episode
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import com.datadog.benchmark.sample.ui.rumauto.RumAutoScenarioNavigator
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import com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails.di.RumAutoEpisodeDetailsScope
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import com.datadog.benchmark.sample.utils.BenchmarkAsyncTask
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import com.datadog.benchmark.sample.utils.StateMachine
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import kotlinx.coroutines.CoroutineDispatcher
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.launch
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import javax.inject.Inject
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internal data class RumAutoEpisodeDetailsState(
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val episode: Episode,
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val charactersLoadingTask: BenchmarkAsyncTask<KtorHttpResponse<List<Character>>, CharactersLoadingTask>
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) {
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class CharactersLoadingTask(val ids: List<String>)
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}
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internal sealed interface RumAutoEpisodeDetailsAction {
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data class CharactersLoadingTaskFinished(
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val result: KtorHttpResponse<List<Character>>,
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val task: RumAutoEpisodeDetailsState.CharactersLoadingTask
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) : RumAutoEpisodeDetailsAction
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data class OnCharacterClicked(val character: Character) : RumAutoEpisodeDetailsAction
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}
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@RumAutoEpisodeDetailsScope
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internal class RumAutoEpisodeDetailsViewModel @Inject constructor(
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private val episode: Episode,
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private val rickAndMortyNetworkService: RickAndMortyNetworkService,
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@CoroutineDispatcherQualifier(CoroutineDispatcherType.Default) private val defaultDispatcher: CoroutineDispatcher,
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private val viewModelScope: CoroutineScope,
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private val rumAutoScenarioNavigator: RumAutoScenarioNavigator
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) {
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private val stateMachine = StateMachine.create(
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scope = viewModelScope,
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dispatcher = defaultDispatcher,
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initialState = RumAutoEpisodeDetailsState(
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episode = episode,
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charactersLoadingTask = run {
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val task = RumAutoEpisodeDetailsState.CharactersLoadingTask(characterIds(episode))
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val job = launchCharactersLoadingTask(task)
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BenchmarkAsyncTask.Loading(job, task)
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}
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),
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processAction = ::processAction
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)
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val state: StateFlow<RumAutoEpisodeDetailsState> = stateMachine.state
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fun dispatch(action: RumAutoEpisodeDetailsAction) {
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stateMachine.dispatch(action)
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}
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private fun processAction(
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prev: RumAutoEpisodeDetailsState,
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action: RumAutoEpisodeDetailsAction
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): RumAutoEpisodeDetailsState {
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return when (action) {
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is RumAutoEpisodeDetailsAction.CharactersLoadingTaskFinished -> {
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prev.copy(
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charactersLoadingTask = BenchmarkAsyncTask.Result(action.result, action.task)
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)
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}
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is RumAutoEpisodeDetailsAction.OnCharacterClicked -> {
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viewModelScope.launch {
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rumAutoScenarioNavigator.openCharacterScreen(action.character)
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}
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prev
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}
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}
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}
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private fun launchCharactersLoadingTask(task: RumAutoEpisodeDetailsState.CharactersLoadingTask): Job {
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return viewModelScope.launch(defaultDispatcher) {
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val result = rickAndMortyNetworkService.getCharacters(task.ids)
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dispatch(RumAutoEpisodeDetailsAction.CharactersLoadingTaskFinished(result, task))
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}
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}
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private fun characterIds(episode: Episode): List<String> {
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return episode.characters.mapNotNull { it.split("/").lastOrNull() }
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}
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}

‎sample/benchmark/src/main/java/com/datadog/benchmark/sample/ui/rumauto/screens/episodedetails/di/RumAutoEpisodeDetailsComponent.kt

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/*
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* Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
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* This product includes software developed at Datadog (https://www.datadoghq.com/).
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* Copyright 2016-Present Datadog, Inc.
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*/
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package com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails.di
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import com.datadog.benchmark.sample.di.common.DispatchersModule
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import com.datadog.benchmark.sample.network.rickandmorty.RickAndMortyNetworkService
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import com.datadog.benchmark.sample.network.rickandmorty.models.Episode
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import com.datadog.benchmark.sample.ui.rumauto.RumAutoScenarioNavigator
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import com.datadog.benchmark.sample.ui.rumauto.screens.episodedetails.RumAutoEpisodeDetailsFragment
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import dagger.BindsInstance
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import dagger.Component
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import kotlinx.coroutines.CoroutineScope
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import javax.inject.Scope
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internal interface RumAutoEpisodeDetailsComponentDependencies {
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val rickAndMortyNetworkService: RickAndMortyNetworkService
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val rumAutoScenarioNavigator: RumAutoScenarioNavigator
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}
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@Scope
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internal annotation class RumAutoEpisodeDetailsScope
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@Component(
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dependencies = [
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RumAutoEpisodeDetailsComponentDependencies::class
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],
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modules = [
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DispatchersModule::class
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]
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)
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@RumAutoEpisodeDetailsScope
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internal interface RumAutoEpisodeDetailsComponent {
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@Component.Factory
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interface Factory {
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fun create(
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deps: RumAutoEpisodeDetailsComponentDependencies,
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@BindsInstance viewModelScope: CoroutineScope,
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@BindsInstance episode: Episode
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): RumAutoEpisodeDetailsComponent
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}
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fun inject(fragment: RumAutoEpisodeDetailsFragment)
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}

‎sample/benchmark/src/main/java/com/datadog/benchmark/sample/ui/rumauto/screens/episodes/RumAutoEpisodesListFragment.kt

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/*
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* Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
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* This product includes software developed at Datadog (https://www.datadoghq.com/).
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* Copyright 2016-Present Datadog, Inc.
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*/
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package com.datadog.benchmark.sample.ui.rumauto.screens.episodes
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.runtime.getValue
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.ComposeView
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.viewModels
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import androidx.lifecycle.compose.collectAsStateWithLifecycle
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import com.datadog.benchmark.sample.activities.scenarios.benchmarkActivityComponent
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import javax.inject.Inject
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internal class RumAutoEpisodesListFragment : Fragment() {
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@Inject
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internal lateinit var viewModelFactory: RumAutoEpisodesListViewModelFactory
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override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
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requireActivity().benchmarkActivityComponent.inject(this)
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val viewModel by viewModels<RumAutoEpisodesListViewModel> {
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viewModelFactory
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}
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return ComposeView(requireContext()).apply {
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setContent {
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val state by viewModel.state.collectAsStateWithLifecycle()
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RumAutoEpisodesListScreen(
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modifier = Modifier.fillMaxSize(),
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state = state,
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dispatch = viewModel::dispatch
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)
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}
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}
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}
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}

‎sample/benchmark/src/main/java/com/datadog/benchmark/sample/ui/rumauto/screens/episodes/RumAutoEpisodesListScreen.kt

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/*
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* Unless explicitly stated otherwise all files in this repository are licensed under the Apache License Version 2.0.
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* This product includes software developed at Datadog (https://www.datadoghq.com/).
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* Copyright 2016-Present Datadog, Inc.
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*/
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package com.datadog.benchmark.sample.ui.rumauto.screens.episodes
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import androidx.compose.foundation.clickable
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.lazy.LazyColumn
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import androidx.compose.foundation.lazy.LazyListState
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import androidx.compose.foundation.lazy.items
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import androidx.compose.foundation.lazy.rememberLazyListState
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import androidx.compose.material3.Divider
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.unit.dp
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import com.datadog.benchmark.sample.utils.LastItemTracker
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@Composable
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internal fun RumAutoEpisodesListScreen(
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modifier: Modifier,
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state: RumAutoEpisodesListState,
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dispatch: (RumAutoEpisodesListAction) -> Unit
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) {
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val lazyListState: LazyListState = rememberLazyListState()
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LastItemTracker(
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allItems = state.allEpisodes,
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lazyListState = lazyListState,
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onEndReached = { dispatch(RumAutoEpisodesListAction.EndReached) },
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itemId = { it.id }
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)
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Box(modifier = modifier) {
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LazyColumn(state = lazyListState) {
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items(state.allEpisodes, key = { it.id }) { item ->
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Spacer(modifier = Modifier.height(8.dp))
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Column(
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modifier = Modifier.clickable { dispatch(RumAutoEpisodesListAction.EpisodeClicked(item)) }
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) {
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Text(text = item.name, style = MaterialTheme.typography.labelLarge)
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Row {
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Text(text = item.episodeCode, modifier = Modifier.weight(1.0f))
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Spacer(modifier = Modifier.height(2.dp))
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Text(text = item.airDate)
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}
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}
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Spacer(modifier = Modifier.height(8.dp))
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Divider(
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modifier = Modifier.height(1.dp),
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color = MaterialTheme.colorScheme.outlineVariant,
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thickness = 1.dp
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)
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}
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}
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}
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}

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