61 lines
2.1 KiB
Kotlin
61 lines
2.1 KiB
Kotlin
package com.github.apognu.otter.repositories
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import android.content.Context
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import com.github.apognu.otter.Otter
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import com.github.apognu.otter.utils.*
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import com.github.kittinunf.fuel.gson.gsonDeserializerOf
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import com.google.android.exoplayer2.offline.Download
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import com.google.gson.reflect.TypeToken
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import kotlinx.coroutines.flow.map
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import kotlinx.coroutines.flow.toList
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import kotlinx.coroutines.runBlocking
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import java.io.BufferedReader
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class TracksRepository(override val context: Context?, albumId: Int) : Repository<Track, TracksCache>() {
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override val cacheId = "tracks-album-$albumId"
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override val upstream = HttpUpstream<Track, OtterResponse<Track>>(HttpUpstream.Behavior.AtOnce, "/api/v1/tracks/?playable=true&album=$albumId&ordering=disc_number,position", object : TypeToken<TracksResponse>() {}.type)
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override fun cache(data: List<Track>) = TracksCache(data)
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override fun uncache(reader: BufferedReader) = gsonDeserializerOf(TracksCache::class.java).deserialize(reader)
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companion object {
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fun getDownloadedIds(): List<Int>? {
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val cursor = Otter.get().exoDownloadManager.downloadIndex.getDownloads()
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val ids: MutableList<Int> = mutableListOf()
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while (cursor.moveToNext()) {
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val download = cursor.download
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download.getMetadata()?.let {
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if (download.state == Download.STATE_COMPLETED) {
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ids.add(it.id)
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}
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}
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}
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return ids
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}
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}
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override fun onDataFetched(data: List<Track>): List<Track> = runBlocking {
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val favorites = FavoritedRepository(context).fetch(Origin.Cache.origin)
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.map { it.data }
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.toList()
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.flatten()
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val downloaded = getDownloadedIds() ?: listOf()
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data.map { track ->
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track.favorite = favorites.contains(track.id)
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track.downloaded = downloaded.contains(track.id)
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track.bestUpload()?.let { upload ->
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val url = mustNormalizeUrl(upload.listen_url)
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track.cached = Otter.get().exoCache.isCached(url, 0, upload.duration * 1000L)
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}
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track
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}.sortedWith(compareBy({ it.disc_number }, { it.position }))
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}
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} |