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This commit is contained in:
Jonas Kvinge
232
src/collection/collectionbackend.h
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232
src/collection/collectionbackend.h
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/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under 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
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef COLLECTIONBACKEND_H
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#define COLLECTIONBACKEND_H
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#include "config.h"
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#include <QObject>
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#include <QSet>
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#include <QUrl>
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#include "directory.h"
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#include "collectionquery.h"
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#include "core/song.h"
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class Database;
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class CollectionBackendInterface : public QObject {
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Q_OBJECT
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public:
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CollectionBackendInterface(QObject *parent = nullptr) : QObject(parent) {}
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virtual ~CollectionBackendInterface() {}
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struct Album {
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Album() {}
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Album(const QString &_artist, const QString &_album_artist, const QString &_album_name, const QString &_art_automatic, const QString &_art_manual, const QUrl &_first_url) :
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artist(_artist),
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album_artist(_album_artist),
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album_name(_album_name),
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art_automatic(_art_automatic),
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art_manual(_art_manual),
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first_url(_first_url) {}
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const QString &effective_albumartist() const {
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return album_artist.isEmpty() ? artist : album_artist;
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}
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QString artist;
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QString album_artist;
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QString album_name;
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QString art_automatic;
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QString art_manual;
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QUrl first_url;
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};
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typedef QList<Album> AlbumList;
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virtual QString songs_table() const = 0;
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// Get a list of directories in the collection. Emits DirectoriesDiscovered.
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virtual void LoadDirectoriesAsync() = 0;
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virtual void UpdateTotalSongCountAsync() = 0;
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virtual void UpdateTotalArtistCountAsync() = 0;
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virtual void UpdateTotalAlbumCountAsync() = 0;
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virtual SongList FindSongsInDirectory(int id) = 0;
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virtual SubdirectoryList SubdirsInDirectory(int id) = 0;
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virtual DirectoryList GetAllDirectories() = 0;
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virtual void ChangeDirPath(int id, const QString &old_path, const QString &new_path) = 0;
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virtual QStringList GetAllArtists(const QueryOptions &opt = QueryOptions()) = 0;
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virtual QStringList GetAllArtistsWithAlbums(const QueryOptions &opt = QueryOptions()) = 0;
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virtual SongList GetSongsByAlbum(const QString &album, const QueryOptions &opt = QueryOptions()) = 0;
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virtual SongList GetSongs(const QString &artist, const QString &album, const QueryOptions &opt = QueryOptions()) = 0;
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virtual SongList GetCompilationSongs(const QString &album, const QueryOptions &opt = QueryOptions()) = 0;
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virtual AlbumList GetAllAlbums(const QueryOptions &opt = QueryOptions()) = 0;
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virtual AlbumList GetAlbumsByArtist(const QString &artist, const QueryOptions &opt = QueryOptions()) = 0;
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virtual AlbumList GetCompilationAlbums(const QueryOptions &opt = QueryOptions()) = 0;
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virtual void UpdateManualAlbumArtAsync(const QString &artist, const QString &albumartist, const QString &album, const QString &art) = 0;
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virtual Album GetAlbumArt(const QString &artist, const QString &albumartist, const QString &album) = 0;
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virtual Song GetSongById(int id) = 0;
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// Returns all sections of a song with the given filename. If there's just one section
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// the resulting list will have it's size equal to 1.
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virtual SongList GetSongsByUrl(const QUrl &url) = 0;
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// Returns a section of a song with the given filename and beginning. If the section
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// is not present in collection, returns invalid song.
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// Using default beginning value is suitable when searching for single-section songs.
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virtual Song GetSongByUrl(const QUrl &url, qint64 beginning = 0) = 0;
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virtual void AddDirectory(const QString &path) = 0;
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virtual void RemoveDirectory(const Directory &dir) = 0;
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virtual bool ExecQuery(CollectionQuery *q) = 0;
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};
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class CollectionBackend : public CollectionBackendInterface {
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Q_OBJECT
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public:
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static const char *kSettingsGroup;
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Q_INVOKABLE CollectionBackend(QObject *parent = nullptr);
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void Init(Database *db, const QString &songs_table, const QString &dirs_table, const QString &subdirs_table, const QString &fts_table);
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Database *db() const { return db_; }
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QString songs_table() const { return songs_table_; }
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QString dirs_table() const { return dirs_table_; }
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QString subdirs_table() const { return subdirs_table_; }
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// Get a list of directories in the collection. Emits DirectoriesDiscovered.
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void LoadDirectoriesAsync();
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void UpdateTotalSongCountAsync();
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void UpdateTotalArtistCountAsync();
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void UpdateTotalAlbumCountAsync();
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SongList FindSongsInDirectory(int id);
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SubdirectoryList SubdirsInDirectory(int id);
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DirectoryList GetAllDirectories();
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void ChangeDirPath(int id, const QString &old_path, const QString &new_path);
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QStringList GetAll(const QString &column, const QueryOptions &opt = QueryOptions());
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QStringList GetAllArtists(const QueryOptions &opt = QueryOptions());
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QStringList GetAllArtistsWithAlbums(const QueryOptions &opt = QueryOptions());
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SongList GetSongsByAlbum(const QString &album, const QueryOptions &opt = QueryOptions());
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SongList GetSongs(const QString &artist, const QString &album, const QueryOptions &opt = QueryOptions());
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SongList GetCompilationSongs(const QString &album, const QueryOptions &opt = QueryOptions());
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AlbumList GetAllAlbums(const QueryOptions &opt = QueryOptions());
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AlbumList GetAlbumsByArtist(const QString &artist, const QueryOptions &opt = QueryOptions());
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AlbumList GetAlbumsByAlbumArtist(const QString &albumartist, const QueryOptions &opt = QueryOptions());
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AlbumList GetCompilationAlbums(const QueryOptions &opt = QueryOptions());
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void UpdateManualAlbumArtAsync(const QString &artist, const QString &albumartist, const QString &album, const QString &art);
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Album GetAlbumArt(const QString &artist, const QString &albumartist, const QString &album);
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Song GetSongById(int id);
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SongList GetSongsById(const QList<int> &ids);
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SongList GetSongsById(const QStringList &ids);
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SongList GetSongsByForeignId(const QStringList &ids, const QString &table, const QString &column);
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SongList GetSongsByUrl(const QUrl &url);
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Song GetSongByUrl(const QUrl &url, qint64 beginning = 0);
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void AddDirectory(const QString &path);
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void RemoveDirectory(const Directory &dir);
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bool ExecQuery(CollectionQuery *q);
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SongList ExecCollectionQuery(CollectionQuery *query);
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void IncrementPlayCountAsync(int id);
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void IncrementSkipCountAsync(int id, float progress);
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void ResetStatisticsAsync(int id);
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void DeleteAll();
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public slots:
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void LoadDirectories();
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void UpdateTotalSongCount();
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void UpdateTotalArtistCount();
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void UpdateTotalAlbumCount();
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void AddOrUpdateSongs(const SongList &songs);
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void UpdateMTimesOnly(const SongList &songs);
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void DeleteSongs(const SongList &songs);
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void MarkSongsUnavailable(const SongList &songs, bool unavailable = true);
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void AddOrUpdateSubdirs(const SubdirectoryList &subdirs);
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void UpdateCompilations();
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void UpdateManualAlbumArt(const QString &artist, const QString &albumartist, const QString &album, const QString &art);
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void ForceCompilation(const QString &album, const QList<QString> &artists, bool on);
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void IncrementPlayCount(int id);
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void IncrementSkipCount(int id, float progress);
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void ResetStatistics(int id);
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signals:
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void DirectoryDiscovered(const Directory &dir, const SubdirectoryList &subdirs);
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void DirectoryDeleted(const Directory &dir);
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void SongsDiscovered(const SongList &songs);
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void SongsDeleted(const SongList &songs);
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void DatabaseReset();
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void TotalSongCountUpdated(int total);
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void TotalArtistCountUpdated(int total);
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void TotalAlbumCountUpdated(int total);
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private:
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struct CompilationInfo {
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CompilationInfo() : has_compilation_detected(false), has_not_compilation_detected(false) {}
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QSet<QString> artists;
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QSet<QString> directories;
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bool has_compilation_detected;
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bool has_not_compilation_detected;
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};
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void UpdateCompilations(QSqlQuery &find_songs, QSqlQuery &update, SongList &deleted_songs, SongList &added_songs, const QString &album, int compilation_detected);
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AlbumList GetAlbums(const QString &artist, const QString &album_artist, bool compilation = false, const QueryOptions &opt = QueryOptions());
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SubdirectoryList SubdirsInDirectory(int id, QSqlDatabase &db);
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Song GetSongById(int id, QSqlDatabase &db);
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SongList GetSongsById(const QStringList &ids, QSqlDatabase &db);
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private:
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Database *db_;
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QString songs_table_;
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QString dirs_table_;
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QString subdirs_table_;
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QString fts_table_;
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};
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#endif // COLLECTIONBACKEND_H
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