67 lines
2.5 KiB
Kotlin
67 lines
2.5 KiB
Kotlin
/*
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* Copyright (c) 2019 Hemanth Savarala.
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*
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* Licensed under the GNU General Public License v3
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*
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* This is free software: you can redistribute it and/or modify it under
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* 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 (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*/
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package code.name.monkey.retromusic.helper
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import android.content.Context
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import java.io.BufferedWriter
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import java.io.File
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import java.io.FileWriter
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import java.io.IOException
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import java.util.ArrayList
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import code.name.monkey.retromusic.loaders.PlaylistSongsLoader
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import code.name.monkey.retromusic.model.AbsCustomPlaylist
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import code.name.monkey.retromusic.model.Playlist
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import code.name.monkey.retromusic.model.Song
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import io.reactivex.Observable
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import io.reactivex.ObservableEmitter
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class M3UWriter : M3UConstants {
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companion object {
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val TAG: String = M3UWriter::class.java.simpleName
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fun write(context: Context,
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dir: File, playlist: Playlist): Observable<File> {
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if (!dir.exists())
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dir.mkdirs()
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val file = File(dir, playlist.name + ("." + M3UConstants.EXTENSION))
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return if (playlist is AbsCustomPlaylist) {
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Observable.create { e -> playlist.getSongs(context).subscribe { songs -> saveSongsToFile(file, e, songs) } }
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} else
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Observable.create { e -> PlaylistSongsLoader.getPlaylistSongList(context, playlist.id).subscribe { songs -> saveSongsToFile(file, e, songs) } }
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}
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@Throws(IOException::class)
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private fun saveSongsToFile(file: File, e: ObservableEmitter<File>, songs: ArrayList<Song>) {
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if (songs.size > 0) {
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val bw = BufferedWriter(FileWriter(file))
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bw.write(M3UConstants.HEADER)
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for (song in songs) {
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bw.newLine()
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bw.write(M3UConstants.ENTRY + song.duration + M3UConstants.DURATION_SEPARATOR + song.artistName + " - " + song.title)
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bw.newLine()
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bw.write(song.data)
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}
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bw.close()
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}
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e.onNext(file)
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e.onComplete()
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}
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}
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} |