forked from GitHub-Mirror/riotX-android
61 lines
2.1 KiB
Kotlin
61 lines
2.1 KiB
Kotlin
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package im.vector.riotredesign.features.home
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import android.arch.lifecycle.LiveData
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import android.arch.lifecycle.MutableLiveData
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import android.support.v4.app.FragmentActivity
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import com.airbnb.mvrx.MvRxState
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import com.airbnb.mvrx.MvRxViewModelFactory
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import im.vector.matrix.android.api.Matrix
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import im.vector.matrix.android.api.session.Session
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import im.vector.matrix.rx.rx
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import im.vector.riotredesign.core.platform.RiotViewModel
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import im.vector.riotredesign.core.utils.Event
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import im.vector.riotredesign.features.home.room.list.RoomSelectionRepository
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import io.reactivex.rxkotlin.subscribeBy
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import org.koin.android.ext.android.get
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class EmptyState : MvRxState
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class HomeActivityViewModel(state: EmptyState,
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private val session: Session,
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roomSelectionRepository: RoomSelectionRepository
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) : RiotViewModel<EmptyState>(state) {
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companion object : MvRxViewModelFactory<EmptyState> {
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@JvmStatic
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override fun create(activity: FragmentActivity, state: EmptyState): HomeActivityViewModel {
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val session = Matrix.getInstance().currentSession
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val roomSelectionRepository = activity.get<RoomSelectionRepository>()
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return HomeActivityViewModel(state, session, roomSelectionRepository)
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}
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}
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private val _openRoomLiveData = MutableLiveData<Event<String>>()
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val openRoomLiveData: LiveData<Event<String>>
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get() = _openRoomLiveData
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init {
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val lastSelectedRoom = roomSelectionRepository.lastSelectedRoom()
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if (lastSelectedRoom == null) {
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getTheFirstRoomWhenAvailable()
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} else {
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_openRoomLiveData.postValue(Event(lastSelectedRoom))
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}
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}
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private fun getTheFirstRoomWhenAvailable() {
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session.rx().liveRoomSummaries()
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.filter { it.isNotEmpty() }
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.first(emptyList())
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.subscribeBy {
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val firstRoom = it.firstOrNull()
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if (firstRoom != null) {
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_openRoomLiveData.postValue(Event(firstRoom.roomId))
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}
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}
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.disposeOnClear()
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}
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}
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