80 lines
2.6 KiB
Kotlin
80 lines
2.6 KiB
Kotlin
/*
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This file is part of Subsonic.
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Subsonic is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Subsonic is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2020 (C) Jozsef Varga
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*/
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package org.moire.ultrasonic.model
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import android.app.Application
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import android.os.Bundle
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.MutableLiveData
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import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
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import java.text.Collator
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import org.moire.ultrasonic.domain.ArtistOrIndex
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import org.moire.ultrasonic.service.MusicService
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import org.moire.ultrasonic.util.Settings
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/**
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* Provides ViewModel which contains the list of available Artists
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*/
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class ArtistListModel(application: Application) : GenericListModel(application) {
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private val artists: MutableLiveData<List<ArtistOrIndex>> = MutableLiveData()
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/**
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* Retrieves all available Artists in a LiveData
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*/
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fun getItems(refresh: Boolean, swipe: SwipeRefreshLayout): LiveData<List<ArtistOrIndex>> {
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// Don't reload the data if navigating back to the view that was active before.
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// This way, we keep the scroll position
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if (artists.value?.isEmpty() != false || refresh) {
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backgroundLoadFromServer(refresh, swipe)
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}
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return artists
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}
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override fun load(
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isOffline: Boolean,
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useId3Tags: Boolean,
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musicService: MusicService,
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refresh: Boolean,
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args: Bundle
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) {
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super.load(isOffline, useId3Tags, musicService, refresh, args)
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val musicFolderId = activeServer.musicFolderId
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val result: List<ArtistOrIndex>
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if (!isOffline && useId3Tags || Settings.useId3TagsOffline) {
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result = musicService.getArtists(refresh)
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} else {
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result = musicService.getIndexes(musicFolderId, refresh)
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}
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artists.postValue(result.toMutableList().sortedWith(comparator))
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}
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override fun showSelectFolderHeader(args: Bundle?): Boolean {
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return true
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}
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companion object {
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val comparator: Comparator<ArtistOrIndex> =
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compareBy(Collator.getInstance()) { t -> t.name }
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}
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}
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