182 lines
6.5 KiB
C++
182 lines
6.5 KiB
C++
/* This file is part of Clementine.
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBRARYBACKEND_H
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#define LIBRARYBACKEND_H
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#include <QObject>
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#include <QSet>
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#include "directory.h"
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#include "libraryquery.h"
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#include "core/song.h"
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#include <boost/shared_ptr.hpp>
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class Database;
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class LibraryBackendInterface : public QObject {
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public:
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LibraryBackendInterface(QObject* parent = 0) : QObject(parent) {}
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virtual ~LibraryBackendInterface() {}
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struct Album {
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Album() {}
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Album(const QString& _artist, const QString& _album_name,
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const QString& _art_automatic, const QString& _art_manual,
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const QString& _first_filename)
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: artist(_artist), album_name(_album_name),
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art_automatic(_art_automatic), art_manual(_art_manual),
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first_filename(_first_filename) {}
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QString 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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QString first_filename;
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};
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typedef QList<Album> AlbumList;
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// Get a list of directories in the library. Emits DirectoriesDiscovered.
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virtual void LoadDirectoriesAsync() = 0;
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// Counts the songs in the library. Emits TotalSongCountUpdated
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virtual void UpdateTotalSongCountAsync() = 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& 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 GetSongs(
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const QString& artist, const QString& album, const QueryOptions& opt = QueryOptions()) = 0;
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virtual bool HasCompilations(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& album, const QString& art) = 0;
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virtual Album GetAlbumArt(const QString& artist, const QString& album) = 0;
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virtual Song GetSongById(int id) = 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(LibraryQuery* q) = 0;
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};
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class LibraryBackend : public LibraryBackendInterface {
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Q_OBJECT
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public:
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Q_INVOKABLE LibraryBackend(QObject* parent = 0);
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void Init(boost::shared_ptr<Database> db, const QString& songs_table,
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const QString& dirs_table, const QString& subdirs_table,
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const QString& fts_table);
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boost::shared_ptr<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 library. Emits DirectoriesDiscovered.
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void LoadDirectoriesAsync();
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// Counts the songs in the library. Emits TotalSongCountUpdated
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void UpdateTotalSongCountAsync();
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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& new_path);
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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 GetSongs(const QString& artist, const QString& album, const QueryOptions& opt = QueryOptions());
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bool HasCompilations(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 GetCompilationAlbums(const QueryOptions& opt = QueryOptions());
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void UpdateManualAlbumArtAsync(const QString& artist, const QString& album, const QString& art);
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Album GetAlbumArt(const QString& artist, const QString& album);
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Song GetSongById(int id);
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void AddDirectory(const QString& path);
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void RemoveDirectory(const Directory& dir);
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bool ExecQuery(LibraryQuery* q);
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public slots:
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void LoadDirectories();
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void UpdateTotalSongCount();
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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 AddOrUpdateSubdirs(const SubdirectoryList& subdirs);
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void UpdateCompilations();
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void UpdateManualAlbumArt(const QString& artist, const QString& album, const QString& art);
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void ForceCompilation(const QString& artist, const QString& album, bool on);
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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 TotalSongCountUpdated(int total);
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private:
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struct CompilationInfo {
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CompilationInfo() : has_samplers(false), has_not_samplers(false) {}
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QSet<QString> artists;
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QSet<QString> directories;
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bool has_samplers;
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bool has_not_samplers;
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};
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void UpdateCompilations(QSqlQuery& find_songs, QSqlQuery& update,
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SongList& deleted_songs, SongList& added_songs,
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const QString& album, int sampler);
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AlbumList GetAlbums(const QString& artist, bool compilation = false,
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const QueryOptions& opt = QueryOptions());
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SubdirectoryList SubdirsInDirectory(int id, QSqlDatabase& db);
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private:
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boost::shared_ptr<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 // LIBRARYBACKEND_H
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