7d9025a967
Setting mtime=0 was done by older releases and is always wrong, it should be at least '1' Also fixes triggerFullMediaScan() to ditch the correct values ;-)
258 lines
12 KiB
Java
258 lines
12 KiB
Java
/*
|
|
* Copyright (C) 2016 Adrian Ulrich <adrian@blinkenlights.ch>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package ch.blinkenlights.android.medialibrary;
|
|
|
|
import android.database.sqlite.SQLiteDatabase;
|
|
|
|
public class MediaSchema {
|
|
/**
|
|
* SQL Schema of `songs' table
|
|
*/
|
|
private static final String DATABASE_CREATE_SONGS = "CREATE TABLE "+ MediaLibrary.TABLE_SONGS + " ("
|
|
+ MediaLibrary.SongColumns._ID +" INTEGER PRIMARY KEY, "
|
|
+ MediaLibrary.SongColumns.TITLE +" TEXT NOT NULL, "
|
|
+ MediaLibrary.SongColumns.TITLE_SORT +" VARCHAR(64) NOT NULL, "
|
|
+ MediaLibrary.SongColumns.SONG_NUMBER +" INTEGER, "
|
|
+ MediaLibrary.SongColumns.DISC_NUMBER +" INTEGER, "
|
|
+ MediaLibrary.SongColumns.YEAR +" INTEGER, "
|
|
+ MediaLibrary.SongColumns.ALBUM_ID +" INTEGER NOT NULL, "
|
|
+ MediaLibrary.SongColumns.PLAYCOUNT +" INTEGER NOT NULL DEFAULT 0, "
|
|
+ MediaLibrary.SongColumns.SKIPCOUNT +" INTEGER NOT NULL DEFAULT 0, "
|
|
+ MediaLibrary.SongColumns.MTIME +" TIMESTAMP DEFAULT (strftime('%s', CURRENT_TIMESTAMP)), "
|
|
+ MediaLibrary.SongColumns.DURATION +" INTEGER NOT NULL, "
|
|
+ MediaLibrary.SongColumns.PATH +" VARCHAR(4096) NOT NULL "
|
|
+ ");";
|
|
|
|
/**
|
|
* SQL Schema of `albums' table
|
|
*/
|
|
private static final String DATABASE_CREATE_ALBUMS = "CREATE TABLE "+ MediaLibrary.TABLE_ALBUMS + " ("
|
|
+ MediaLibrary.AlbumColumns._ID +" INTEGER PRIMARY KEY, "
|
|
+ MediaLibrary.AlbumColumns.ALBUM +" TEXT NOT NULL, "
|
|
+ MediaLibrary.AlbumColumns.ALBUM_SORT +" VARCHAR(64) NOT NULL, "
|
|
+ MediaLibrary.AlbumColumns.PRIMARY_ALBUM_YEAR+" INTEGER, "
|
|
+ MediaLibrary.AlbumColumns.PRIMARY_ARTIST_ID +" INTEGER NOT NULL DEFAULT 0, "
|
|
+ MediaLibrary.AlbumColumns.MTIME +" TIMESTAMP DEFAULT CURRENT_TIMESTAMP "
|
|
+ ");";
|
|
|
|
/**
|
|
* SQL Schema of `contributors' table
|
|
*/
|
|
private static final String DATABASE_CREATE_CONTRIBUTORS = "CREATE TABLE "+ MediaLibrary.TABLE_CONTRIBUTORS + " ("
|
|
+ MediaLibrary.ContributorColumns._ID +" INTEGER PRIMARY KEY, "
|
|
+ MediaLibrary.ContributorColumns._CONTRIBUTOR +" TEXT NOT NULL, "
|
|
+ MediaLibrary.ContributorColumns._CONTRIBUTOR_SORT +" TEXT NOT NULL, "
|
|
+ MediaLibrary.ContributorColumns.MTIME +" TIMESTAMP DEFAULT CURRENT_TIMESTAMP "
|
|
+ ");";
|
|
|
|
/**
|
|
* SQL Schema of 'contributors<->songs' table
|
|
*/
|
|
private static final String DATABASE_CREATE_CONTRIBUTORS_SONGS = "CREATE TABLE "+ MediaLibrary.TABLE_CONTRIBUTORS_SONGS+ " ("
|
|
+ MediaLibrary.ContributorSongColumns.ROLE +" INTEGER, "
|
|
+ MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID +" INTEGER, "
|
|
+ MediaLibrary.ContributorSongColumns.SONG_ID +" INTEGER, "
|
|
+ "PRIMARY KEY("+MediaLibrary.ContributorSongColumns.ROLE+","
|
|
+MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID+","
|
|
+MediaLibrary.ContributorSongColumns.SONG_ID+") "
|
|
+ ");";
|
|
|
|
/**
|
|
* song, role index on contributors_songs table
|
|
*/
|
|
private static final String INDEX_IDX_CONTRIBUTORS_SONGS = "CREATE INDEX idx_contributors_songs ON "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS
|
|
+" ("+MediaLibrary.ContributorSongColumns.SONG_ID+", "+MediaLibrary.ContributorSongColumns.ROLE+")"
|
|
+";";
|
|
|
|
/**
|
|
* SQL Schema of `genres' table
|
|
*/
|
|
private static final String DATABASE_CREATE_GENRES = "CREATE TABLE "+ MediaLibrary.TABLE_GENRES + " ("
|
|
+ MediaLibrary.GenreColumns._ID +" INTEGER PRIMARY KEY, "
|
|
+ MediaLibrary.GenreColumns._GENRE +" TEXT NOT NULL, "
|
|
+ MediaLibrary.GenreColumns._GENRE_SORT +" TEXT NOT NULL "
|
|
+ ");";
|
|
|
|
/**
|
|
* SQL Schema of 'genres<->songs' table
|
|
*/
|
|
private static final String DATABASE_CREATE_GENRES_SONGS = "CREATE TABLE "+ MediaLibrary.TABLE_GENRES_SONGS + " ("
|
|
+ MediaLibrary.GenreSongColumns._GENRE_ID +" INTEGER, "
|
|
+ MediaLibrary.GenreSongColumns.SONG_ID +" INTEGER, "
|
|
+ "PRIMARY KEY("+MediaLibrary.GenreSongColumns._GENRE_ID+","
|
|
+MediaLibrary.GenreSongColumns.SONG_ID+") "
|
|
+ ");";
|
|
|
|
/**
|
|
* SQL Schema for the playlists table
|
|
*/
|
|
private static final String DATABASE_CREATE_PLAYLISTS = "CREATE TABLE "+ MediaLibrary.TABLE_PLAYLISTS +" ("
|
|
+ MediaLibrary.PlaylistColumns._ID +" INTEGER PRIMARY KEY, "
|
|
+ MediaLibrary.PlaylistColumns.NAME +" TEXT NOT NULL "
|
|
+ ");";
|
|
|
|
/**
|
|
* SQL Schema of 'songs<->playlists' table
|
|
*/
|
|
private static final String DATABASE_CREATE_PLAYLISTS_SONGS = "CREATE TABLE "+ MediaLibrary.TABLE_PLAYLISTS_SONGS + " ("
|
|
+ MediaLibrary.PlaylistSongColumns._ID +" INTEGER PRIMARY KEY, "
|
|
+ MediaLibrary.PlaylistSongColumns.PLAYLIST_ID +" INTEGER NOT NULL, "
|
|
+ MediaLibrary.PlaylistSongColumns.SONG_ID +" INTEGER NOT NULL, "
|
|
+ MediaLibrary.PlaylistSongColumns.POSITION +" INTEGER NOT NULL "
|
|
+ ");";
|
|
|
|
/**
|
|
* SQL schema for our preferences
|
|
*/
|
|
private static final String DATABASE_CREATE_PREFERENCES = "CREATE TABLE "+ MediaLibrary.TABLE_PREFERENCES + " ("
|
|
+ MediaLibrary.PreferenceColumns.KEY +" INTEGER PRIMARY KEY, "
|
|
+ MediaLibrary.PreferenceColumns.VALUE +" INTEGER NOT NULL "
|
|
+ ");";
|
|
/**
|
|
* Index to select a playlist quickly
|
|
*/
|
|
private static final String INDEX_IDX_PLAYLIST_ID = "CREATE INDEX idx_playlist_id ON "+MediaLibrary.TABLE_PLAYLISTS_SONGS
|
|
+" ("+MediaLibrary.PlaylistSongColumns.PLAYLIST_ID+")"
|
|
+";";
|
|
|
|
/**
|
|
* Index to select a song from a playlist quickly
|
|
*/
|
|
private static final String INDEX_IDX_PLAYLIST_ID_SONG = "CREATE INDEX idx_playlist_id_song ON "+MediaLibrary.TABLE_PLAYLISTS_SONGS
|
|
+" ("+MediaLibrary.PlaylistSongColumns.PLAYLIST_ID+", "+MediaLibrary.PlaylistSongColumns.SONG_ID+")"
|
|
+";";
|
|
|
|
/**
|
|
* Additional columns to select for artist info
|
|
*/
|
|
private static final String VIEW_ARTIST_SELECT = "_artist."+MediaLibrary.ContributorColumns._CONTRIBUTOR+" AS "+MediaLibrary.ContributorColumns.ARTIST
|
|
+",_artist."+MediaLibrary.ContributorColumns._CONTRIBUTOR_SORT+" AS "+MediaLibrary.ContributorColumns.ARTIST_SORT
|
|
+",_artist."+MediaLibrary.ContributorColumns._ID+" AS "+MediaLibrary.ContributorColumns.ARTIST_ID;
|
|
|
|
/**
|
|
* View which includes song, album and artist information
|
|
*/
|
|
private static final String VIEW_CREATE_SONGS_ALBUMS_ARTISTS = "CREATE VIEW "+ MediaLibrary.VIEW_SONGS_ALBUMS_ARTISTS+ " AS "
|
|
+ "SELECT *, " + VIEW_ARTIST_SELECT + " FROM " + MediaLibrary.TABLE_SONGS
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_ALBUMS+" ON "+MediaLibrary.TABLE_SONGS+"."+MediaLibrary.SongColumns.ALBUM_ID+" = "+MediaLibrary.TABLE_ALBUMS+"."+MediaLibrary.AlbumColumns._ID
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+" ON "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+"."+MediaLibrary.ContributorSongColumns.ROLE+"="+MediaLibrary.ROLE_ARTIST
|
|
+" AND "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+"."+MediaLibrary.ContributorSongColumns.SONG_ID+" = "+MediaLibrary.TABLE_SONGS+"."+MediaLibrary.SongColumns._ID
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_CONTRIBUTORS+" AS _artist ON _artist."+MediaLibrary.ContributorColumns._ID+" = "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+"."+MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID
|
|
+" ;";
|
|
|
|
/**
|
|
* View which includes album and artist information
|
|
*/
|
|
private static final String VIEW_CREATE_ALBUMS_ARTISTS = "CREATE VIEW "+ MediaLibrary.VIEW_ALBUMS_ARTISTS+ " AS "
|
|
+ "SELECT *, " + VIEW_ARTIST_SELECT + " FROM " + MediaLibrary.TABLE_ALBUMS
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_CONTRIBUTORS+" AS _artist"
|
|
+" ON _artist."+MediaLibrary.ContributorColumns._ID+" = "+MediaLibrary.TABLE_ALBUMS+"."+MediaLibrary.AlbumColumns.PRIMARY_ARTIST_ID
|
|
+" ;";
|
|
|
|
/**
|
|
* View which includes artist information
|
|
*/
|
|
private static final String VIEW_CREATE_ARTISTS = "CREATE VIEW "+ MediaLibrary.VIEW_ARTISTS+ " AS "
|
|
+ "SELECT *, " + VIEW_ARTIST_SELECT + " FROM "+MediaLibrary.TABLE_CONTRIBUTORS+" AS _artist WHERE "+MediaLibrary.ContributorColumns._ID+" IN "
|
|
+" (SELECT "+MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID+" FROM "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS
|
|
+" WHERE "+MediaLibrary.ContributorSongColumns.ROLE+"="+MediaLibrary.ROLE_ARTIST+" GROUP BY "+MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID+")"
|
|
+" ;";
|
|
|
|
/**
|
|
* View like VIEW_CREATE_ARTISTS but includes playlist information
|
|
*/
|
|
private static final String VIEW_CREATE_PLAYLIST_SONGS = "CREATE VIEW "+ MediaLibrary.VIEW_PLAYLIST_SONGS+" AS "
|
|
+ "SELECT *, " + VIEW_ARTIST_SELECT + " FROM " + MediaLibrary.TABLE_PLAYLISTS_SONGS
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_SONGS+" ON "+MediaLibrary.TABLE_PLAYLISTS_SONGS+"."+MediaLibrary.PlaylistSongColumns.SONG_ID+"="+MediaLibrary.TABLE_SONGS+"."+MediaLibrary.SongColumns._ID
|
|
// -> same sql as VIEW_CREATE_SONGS_ALBUMS_ARTISTS follows:
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_ALBUMS+" ON "+MediaLibrary.TABLE_SONGS+"."+MediaLibrary.SongColumns.ALBUM_ID+" = "+MediaLibrary.TABLE_ALBUMS+"."+MediaLibrary.AlbumColumns._ID
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+" ON "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+"."+MediaLibrary.ContributorSongColumns.ROLE+"="+MediaLibrary.ROLE_ARTIST
|
|
+" AND "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+"."+MediaLibrary.ContributorSongColumns.SONG_ID+" = "+MediaLibrary.TABLE_SONGS+"."+MediaLibrary.SongColumns._ID
|
|
+" LEFT JOIN "+MediaLibrary.TABLE_CONTRIBUTORS+" AS _artist ON _artist."+MediaLibrary.ContributorColumns._ID+" = "+MediaLibrary.TABLE_CONTRIBUTORS_SONGS+"."+MediaLibrary.ContributorSongColumns._CONTRIBUTOR_ID
|
|
+" ;";
|
|
|
|
/**
|
|
* Creates a new database schema on dbh
|
|
*
|
|
* @param dbh the writeable dbh to act on
|
|
*/
|
|
public static void createDatabaseSchema(SQLiteDatabase dbh) {
|
|
dbh.execSQL(DATABASE_CREATE_SONGS);
|
|
dbh.execSQL(DATABASE_CREATE_ALBUMS);
|
|
dbh.execSQL(DATABASE_CREATE_CONTRIBUTORS);
|
|
dbh.execSQL(DATABASE_CREATE_CONTRIBUTORS_SONGS);
|
|
dbh.execSQL(INDEX_IDX_CONTRIBUTORS_SONGS);
|
|
dbh.execSQL(DATABASE_CREATE_GENRES);
|
|
dbh.execSQL(DATABASE_CREATE_GENRES_SONGS);
|
|
dbh.execSQL(DATABASE_CREATE_PLAYLISTS);
|
|
dbh.execSQL(DATABASE_CREATE_PLAYLISTS_SONGS);
|
|
dbh.execSQL(INDEX_IDX_PLAYLIST_ID);
|
|
dbh.execSQL(INDEX_IDX_PLAYLIST_ID_SONG);
|
|
dbh.execSQL(VIEW_CREATE_SONGS_ALBUMS_ARTISTS);
|
|
dbh.execSQL(VIEW_CREATE_ALBUMS_ARTISTS);
|
|
dbh.execSQL(VIEW_CREATE_ARTISTS);
|
|
dbh.execSQL(VIEW_CREATE_PLAYLIST_SONGS);
|
|
dbh.execSQL(DATABASE_CREATE_PREFERENCES);
|
|
}
|
|
|
|
/**
|
|
* Upgrades an existing database
|
|
*
|
|
* @param dbh the writeable dbh to use
|
|
* @param oldVersion the version of the old (aka: existing) database
|
|
*/
|
|
public static void upgradeDatabaseSchema(SQLiteDatabase dbh, int oldVersion) {
|
|
if (oldVersion < 20170101) {
|
|
// this is ugly but was never released as a stable version, so
|
|
// it's good enough to keep playlists for testers
|
|
dbh.execSQL("DROP TABLE songs");
|
|
dbh.execSQL("DROP TABLE albums");
|
|
dbh.execSQL(DATABASE_CREATE_SONGS);
|
|
dbh.execSQL(DATABASE_CREATE_ALBUMS);
|
|
}
|
|
|
|
if (oldVersion < 20170102) {
|
|
dbh.execSQL("UPDATE songs SET disc_num=1 WHERE disc_num IS null");
|
|
}
|
|
|
|
if (oldVersion < 20170120) {
|
|
dbh.execSQL(DATABASE_CREATE_PREFERENCES);
|
|
triggerFullMediaScan(dbh);
|
|
}
|
|
|
|
if (oldVersion < 20170211) {
|
|
// older versions of triggerFullMediaScan did this by mistake
|
|
dbh.execSQL("UPDATE songs SET mtime=1 WHERE mtime=0");
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Changes the mtime of all songs and flushes the scanner progress / preferences
|
|
* This triggers a full rebuild of the library on startup
|
|
*
|
|
* @param dbh the writeable dbh to use
|
|
*/
|
|
private static void triggerFullMediaScan(SQLiteDatabase dbh) {
|
|
dbh.execSQL("UPDATE "+MediaLibrary.TABLE_SONGS+" SET "+MediaLibrary.SongColumns.MTIME+"=1");
|
|
// wipes non-bools only - not nice but good enough for now
|
|
dbh.execSQL("DELETE FROM "+MediaLibrary.TABLE_PREFERENCES+" WHERE "+MediaLibrary.PreferenceColumns.VALUE+" > 1");
|
|
}
|
|
|
|
}
|