83 lines
2.8 KiB
Kotlin
83 lines
2.8 KiB
Kotlin
package audio.funkwhale.ffa.repositories
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import android.content.Context
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import audio.funkwhale.ffa.model.FFAResponse
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import audio.funkwhale.ffa.model.Track
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import audio.funkwhale.ffa.model.TracksCache
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import audio.funkwhale.ffa.model.TracksResponse
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import audio.funkwhale.ffa.utils.OAuth
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import audio.funkwhale.ffa.utils.getMetadata
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import audio.funkwhale.ffa.utils.gsonDeserializerOf
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import audio.funkwhale.ffa.utils.mustNormalizeUrl
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import com.google.android.exoplayer2.offline.Download
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import com.google.android.exoplayer2.offline.DownloadManager
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import com.google.android.exoplayer2.upstream.cache.Cache
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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 org.koin.core.qualifier.named
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import org.koin.java.KoinJavaComponent.inject
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class TracksRepository(override val context: Context?, albumId: Int) :
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Repository<Track, TracksCache>() {
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private val exoCache: Cache by inject(Cache::class.java, named("exoCache"))
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private val oAuth: OAuth by inject(OAuth::class.java)
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private val exoDownloadManager: DownloadManager by inject(DownloadManager::class.java)
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override val cacheId = "tracks-album-$albumId"
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override val upstream = HttpUpstream<Track, FFAResponse<Track>>(
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context,
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HttpUpstream.Behavior.AtOnce,
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"/api/v1/tracks/?playable=true&album=$albumId&ordering=disc_number,position",
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object : TypeToken<TracksResponse>() {}.type,
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oAuth
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)
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override fun cache(data: List<Track>) = TracksCache(data)
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override fun uncache(json: String) =
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gsonDeserializerOf(TracksCache::class.java).deserialize(json.reader())
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companion object {
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fun getDownloadedIds(exoDownloadManager: DownloadManager): List<Int>? {
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val ids: MutableList<Int> = mutableListOf()
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exoDownloadManager.downloadIndex.getDownloads()
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.use { cursor ->
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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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}
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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(exoDownloadManager) ?: 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 = 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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}
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