mirror of https://github.com/TeamNewPipe/NewPipe
50 lines
2.1 KiB
Kotlin
50 lines
2.1 KiB
Kotlin
package org.schabi.newpipe.local.subscription
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import android.app.Application
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import androidx.lifecycle.AndroidViewModel
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import androidx.lifecycle.MutableLiveData
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import com.xwray.groupie.Group
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import io.reactivex.schedulers.Schedulers
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import org.schabi.newpipe.local.feed.FeedDatabaseManager
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import org.schabi.newpipe.local.subscription.item.ChannelItem
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import org.schabi.newpipe.local.subscription.item.FeedGroupCardItem
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import org.schabi.newpipe.util.DEFAULT_THROTTLE_TIMEOUT
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import java.util.concurrent.TimeUnit
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class SubscriptionViewModel(application: Application) : AndroidViewModel(application) {
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val stateLiveData = MutableLiveData<SubscriptionState>()
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val feedGroupsLiveData = MutableLiveData<List<Group>>()
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private var feedDatabaseManager: FeedDatabaseManager = FeedDatabaseManager(application)
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private var subscriptionManager = SubscriptionManager(application)
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private var feedGroupItemsDisposable = feedDatabaseManager.groups()
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.throttleLatest(DEFAULT_THROTTLE_TIMEOUT, TimeUnit.MILLISECONDS)
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.map { it.map(::FeedGroupCardItem) }
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.subscribeOn(Schedulers.io())
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.subscribe(
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{ feedGroupsLiveData.postValue(it) },
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{ stateLiveData.postValue(SubscriptionState.ErrorState(it)) }
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)
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private var stateItemsDisposable = subscriptionManager.subscriptions()
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.throttleLatest(DEFAULT_THROTTLE_TIMEOUT, TimeUnit.MILLISECONDS)
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.map { it.map { entity -> ChannelItem(entity.toChannelInfoItem(), entity.uid, ChannelItem.ItemVersion.MINI) } }
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.subscribeOn(Schedulers.io())
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.subscribe(
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{ stateLiveData.postValue(SubscriptionState.LoadedState(it)) },
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{ stateLiveData.postValue(SubscriptionState.ErrorState(it)) }
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)
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override fun onCleared() {
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super.onCleared()
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stateItemsDisposable.dispose()
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feedGroupItemsDisposable.dispose()
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}
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sealed class SubscriptionState {
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data class LoadedState(val subscriptions: List<Group>) : SubscriptionState()
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data class ErrorState(val error: Throwable? = null) : SubscriptionState()
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}
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}
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