Files
muza/app/src/main/kotlin/it/vfsfitvnm/vimusic/Database.kt
2022-06-29 15:24:00 +02:00

291 lines
10 KiB
Kotlin

package it.vfsfitvnm.vimusic
import android.content.ContentValues
import android.content.Context
import android.database.Cursor
import android.database.sqlite.SQLiteDatabase.CONFLICT_IGNORE
import android.os.Parcel
import androidx.media3.common.MediaItem
import androidx.room.*
import androidx.room.migration.AutoMigrationSpec
import androidx.sqlite.db.SimpleSQLiteQuery
import androidx.room.migration.Migration
import androidx.sqlite.db.SupportSQLiteDatabase
import it.vfsfitvnm.vimusic.models.*
import kotlinx.coroutines.flow.Flow
@Dao
interface Database {
companion object : Database by DatabaseInitializer.Instance.database
@Query("SELECT * FROM SearchQuery WHERE query LIKE :query ORDER BY id DESC")
fun getRecentQueries(query: String): Flow<List<SearchQuery>>
@Insert(onConflict = OnConflictStrategy.REPLACE)
fun insert(searchQuery: SearchQuery)
@Insert(onConflict = OnConflictStrategy.IGNORE)
fun insert(info: Artist)
@Insert(onConflict = OnConflictStrategy.IGNORE)
fun insert(info: Album)
@Insert(onConflict = OnConflictStrategy.ABORT)
fun insert(playlist: Playlist): Long
@Insert(onConflict = OnConflictStrategy.IGNORE)
fun insert(info: SongInPlaylist): Long
@Insert(onConflict = OnConflictStrategy.ABORT)
fun insert(info: List<Artist>): List<Long>
@Query("SELECT * FROM Song WHERE id = :id")
fun songFlow(id: String): Flow<Song?>
@Query("SELECT * FROM Song WHERE id = :id")
fun song(id: String): Song?
@Query("SELECT * FROM Playlist WHERE id = :id")
fun playlist(id: Long): Playlist?
@Query("SELECT * FROM Song")
fun songs(): Flow<List<Song>>
@Transaction
@Query("SELECT * FROM Song WHERE id = :id")
fun songWithInfo(id: String): DetailedSong?
@Transaction
@Query("SELECT * FROM Song WHERE totalPlayTimeMs > 0 ORDER BY ROWID DESC")
fun history(): Flow<List<DetailedSong>>
@Transaction
@Query("SELECT * FROM Song WHERE likedAt IS NOT NULL ORDER BY likedAt DESC")
fun favorites(): Flow<List<DetailedSong>>
@Transaction
@Query("SELECT * FROM Song WHERE totalPlayTimeMs >= 60000 ORDER BY totalPlayTimeMs DESC LIMIT 20")
fun mostPlayed(): Flow<List<DetailedSong>>
@Query("UPDATE Song SET totalPlayTimeMs = totalPlayTimeMs + :addition WHERE id = :id")
fun incrementTotalPlayTimeMs(id: String, addition: Long)
@Transaction
@Query("SELECT * FROM Playlist WHERE id = :id")
fun playlistWithSongs(id: Long): Flow<PlaylistWithSongs?>
@Query("SELECT COUNT(*) FROM SongInPlaylist WHERE playlistId = :id")
fun playlistSongCount(id: Long): Int
@Query("UPDATE SongInPlaylist SET position = position - 1 WHERE playlistId = :playlistId AND position >= :fromPosition")
fun decrementSongPositions(playlistId: Long, fromPosition: Int)
@Query("UPDATE SongInPlaylist SET position = position - 1 WHERE playlistId = :playlistId AND position >= :fromPosition AND position <= :toPosition")
fun decrementSongPositions(playlistId: Long, fromPosition: Int, toPosition: Int)
@Query("UPDATE SongInPlaylist SET position = position + 1 WHERE playlistId = :playlistId AND position >= :fromPosition AND position <= :toPosition")
fun incrementSongPositions(playlistId: Long, fromPosition: Int, toPosition: Int)
@Insert(onConflict = OnConflictStrategy.ABORT)
fun insert(songWithAuthors: SongArtistMap): Long
@Insert(onConflict = OnConflictStrategy.ABORT)
fun insert(song: Song): Long
@Update
fun update(song: Song)
@Update
fun update(songInPlaylist: SongInPlaylist)
@Update
fun update(playlist: Playlist)
@Delete
fun delete(searchQuery: SearchQuery)
@Delete
fun delete(playlist: Playlist)
@Delete
fun delete(song: Song)
@Delete
fun delete(songInPlaylist: SongInPlaylist)
@Transaction
@Query("SELECT id, name, (SELECT COUNT(*) FROM SongInPlaylist WHERE playlistId = id) as songCount FROM Playlist")
fun playlistPreviews(): Flow<List<PlaylistPreview>>
@Query("SELECT thumbnailUrl FROM Song JOIN SongInPlaylist ON id = songId WHERE playlistId = :id ORDER BY position LIMIT 4")
fun playlistThumbnailUrls(id: Long): Flow<List<String?>>
@Transaction
@Query("SELECT * FROM Song JOIN SongArtistMap ON Song.id = SongArtistMap.songId WHERE SongArtistMap.artistId = :artistId ORDER BY Song.ROWID DESC")
@RewriteQueriesToDropUnusedColumns
fun artistSongs(artistId: String): Flow<List<DetailedSong>>
@Insert(onConflict = OnConflictStrategy.ABORT)
fun insertQueue(queuedMediaItems: List<QueuedMediaItem>)
@Query("SELECT * FROM QueuedMediaItem")
fun queue(): List<QueuedMediaItem>
@Query("DELETE FROM QueuedMediaItem")
fun clearQueue()
}
@androidx.room.Database(
entities = [
Song::class,
SongInPlaylist::class,
Playlist::class,
Artist::class,
SongArtistMap::class,
Album::class,
SearchQuery::class,
QueuedMediaItem::class,
],
views = [
SortedSongInPlaylist::class
],
version = 9,
exportSchema = true,
autoMigrations = [
AutoMigration(from = 1, to = 2),
AutoMigration(from = 2, to = 3),
AutoMigration(from = 3, to = 4, spec = DatabaseInitializer.From3To4Migration::class),
AutoMigration(from = 4, to = 5),
AutoMigration(from = 5, to = 6),
AutoMigration(from = 6, to = 7),
AutoMigration(from = 7, to = 8, spec = DatabaseInitializer.From7To8Migration::class),
],
)
@TypeConverters(Converters::class)
abstract class DatabaseInitializer protected constructor() : RoomDatabase() {
abstract val database: Database
companion object {
lateinit var Instance: DatabaseInitializer
context(Context)
operator fun invoke() {
if (!::Instance.isInitialized) {
Instance = Room
.databaseBuilder(this@Context, DatabaseInitializer::class.java, "data.db")
.addMigrations(From8To9Migration())
.build()
}
}
}
@DeleteTable.Entries(DeleteTable(tableName = "QueuedMediaItem"))
class From3To4Migration : AutoMigrationSpec
@RenameColumn.Entries(RenameColumn("Song", "albumInfoId", "albumId"))
class From7To8Migration : AutoMigrationSpec
class From8To9Migration : Migration(8, 9) {
override fun migrate(it: SupportSQLiteDatabase) {
it.query(SimpleSQLiteQuery("SELECT DISTINCT browseId, text, Info.id FROM Info JOIN Song ON Info.id = Song.albumId;")).use { cursor ->
val albumValues = ContentValues(2)
while (cursor.moveToNext()) {
albumValues.put("id", cursor.getString(0))
albumValues.put("title", cursor.getString(1))
it.insert("Album", CONFLICT_IGNORE, albumValues)
it.execSQL("UPDATE Song SET albumId = '${cursor.getString(0)}' WHERE albumId = ${cursor.getLong(2)}")
}
}
it.query(SimpleSQLiteQuery("SELECT GROUP_CONCAT(text, ''), SongWithAuthors.songId FROM Info JOIN SongWithAuthors ON Info.id = SongWithAuthors.authorInfoId GROUP BY songId;")).use { cursor ->
val songValues = ContentValues(1)
while (cursor.moveToNext()) {
println("artistsText: ${cursor.getString(0)} (cursor.getString(1))")
songValues.put("artistsText", cursor.getString(0))
it.update("Song", CONFLICT_IGNORE, songValues, "id = ?", arrayOf(cursor.getString(1)))
}
}
it.query(SimpleSQLiteQuery("SELECT browseId, text, Info.id FROM Info JOIN SongWithAuthors ON Info.id = SongWithAuthors.authorInfoId WHERE browseId NOT NULL;")).use { cursor ->
val artistValues = ContentValues(2)
while (cursor.moveToNext()) {
artistValues.put("id", cursor.getString(0))
artistValues.put("name", cursor.getString(1))
it.insert("Artist", CONFLICT_IGNORE, artistValues)
it.execSQL("UPDATE SongWithAuthors SET authorInfoId = '${cursor.getString(0)}' WHERE authorInfoId = ${cursor.getLong(2)}")
}
}
it.execSQL("INSERT INTO SongArtistMap(songId, artistId) SELECT songId, authorInfoId FROM SongWithAuthors")
it.execSQL("DROP TABLE Info;")
it.execSQL("DROP TABLE SongWithAuthors;")
}
}
}
@TypeConverters
object Converters {
@TypeConverter
fun mediaItemFromByteArray(value: ByteArray?): MediaItem? {
return value?.let { byteArray ->
runCatching {
val parcel = Parcel.obtain()
parcel.unmarshall(byteArray, 0, byteArray.size)
parcel.setDataPosition(0)
val bundle = parcel.readBundle(MediaItem::class.java.classLoader)
parcel.recycle()
bundle?.let(MediaItem.CREATOR::fromBundle)
}.getOrNull()
}
}
@TypeConverter
fun mediaItemToByteArray(mediaItem: MediaItem?): ByteArray? {
return mediaItem?.toBundle()?.let { persistableBundle ->
val parcel = Parcel.obtain()
parcel.writeBundle(persistableBundle)
val bytes = parcel.marshall()
parcel.recycle()
bytes
}
}
}
val Database.internal: RoomDatabase
get() = DatabaseInitializer.Instance
fun query(block: () -> Unit) = DatabaseInitializer.Instance.getQueryExecutor().execute(block)
fun transaction(block: () -> Unit) = with(DatabaseInitializer.Instance) {
getTransactionExecutor().execute {
runInTransaction(block)
}
}
val RoomDatabase.path: String
get() = getOpenHelper().writableDatabase.path
fun RoomDatabase.checkpoint() {
getOpenHelper().writableDatabase.run {
query("PRAGMA journal_mode").use { cursor ->
if (cursor.moveToFirst()) {
when (cursor.getString(0).lowercase()) {
"wal" -> {
query("PRAGMA wal_checkpoint").use(Cursor::moveToFirst)
query("PRAGMA wal_checkpoint(TRUNCATE)").use(Cursor::moveToFirst)
query("PRAGMA wal_checkpoint").use(Cursor::moveToFirst)
}
}
}
}
}
}