147 lines
4.3 KiB
C++
147 lines
4.3 KiB
C++
/*
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* Cantata Web
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*
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* Copyright (c) 2015 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 GNU
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* 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 this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef LIBRARY_DB_H
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#define LIBRARY_DB_H
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#include <QObject>
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#include <QList>
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#include <QMap>
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#include <QElapsedTimer>
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#include "mpd-interface/song.h"
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#include <time.h>
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class QSqlDatabase;
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class QSqlQuery;
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class QSettings;
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class LibraryDb : public QObject
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{
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Q_OBJECT
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public:
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static void enableDebug() { dbgEnabled=true; }
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static bool debugEnabled() { return dbgEnabled; }
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static const QLatin1String constNullGenre;
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static const QLatin1String constArtistAlbumsSortYear;
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static const QLatin1String constArtistAlbumsSortName;
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static const QLatin1String constAlbumsSortAlArYr;
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static const QLatin1String constAlbumsSortAlYrAr;
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static const QLatin1String constAlbumsSortArAlYr;
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static const QLatin1String constAlbumsSortArYrAl;
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static const QLatin1String constAlbumsSortYrAlAr;
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static const QLatin1String constAlbumsSortYrArAl;
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struct Genre
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{
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Genre(const QString &n=QString(), int ac=0)
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: name(n), artistCount(ac) { }
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QString name;
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int artistCount;
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bool operator<(const Genre &o) const
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{
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if (constNullGenre==name) {
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return constNullGenre!=o.name;
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}
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return name.localeAwareCompare(o.name)<0;
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}
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};
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struct Artist
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{
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Artist(const QString &n=QString(), const QString &s=QString(), int ac=0)
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: name(n), sort(s), albumCount(ac) { }
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QString name;
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QString sort;
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int albumCount;
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bool operator<(const Artist &o) const
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{
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const QString &field=sort.isEmpty() ? name : sort;
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const QString &ofield=o.sort.isEmpty() ? o.name : o.sort;
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return field.localeAwareCompare(ofield)<0;
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}
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};
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struct Album
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{
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Album(const QString &n=QString(), const QString &i=QString(), const QString &s=QString(),
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const QString &a=QString(), const QString &as=QString(),
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int y=0, int tc=0, int d=0)
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: name(n), id(i), sort(s), artist(a), artistSort(as), year(y), trackCount(tc), duration(d) { }
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QString name;
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QString id;
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QString sort;
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QString artist;
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QString artistSort;
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int year;
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int trackCount;
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int duration;
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};
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LibraryDb();
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~LibraryDb();
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bool init(QString &dbName);
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void insertSong(const Song &s);
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QList<Genre> getGenres();
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QList<Artist> getArtists(const QString &genre=QString());
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QList<Album> getAlbums(const QString &artistId, const QString &genre=QString(), const QString &sort=QString());
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QList<Song> getTracks(const QString &artistId, const QString &albumId, const QString &genre=QString(), const QString &sort=QString());
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protected Q_SLOTS:
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void updateStarted(time_t ver);
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void insertSongs(QList<Song> *songs);
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void updateFinished();
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protected:
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void createTable(const QString &q);
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static Song getSong(QSqlQuery *query);
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protected:
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static bool dbgEnabled;
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time_t currentVersion;
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time_t newVersion;
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QSqlDatabase *db;
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QSqlQuery *insertSongQuery;
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QSqlQuery *genresQuery;
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QSqlQuery *artistsQuery;
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QSqlQuery *artistsGenreQuery;
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QSqlQuery *albumsQuery;
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QSqlQuery *albumsGenreQuery;
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QSqlQuery *albumsNoArtistQuery;
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QSqlQuery *albumsGenreNoArtistQuery;
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QSqlQuery *albumsDetailsQuery;
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QSqlQuery *albumsDetailsGenreQuery;
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QSqlQuery *tracksQuery;
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QSqlQuery *tracksGenreQuery;
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QSqlQuery *tracksWildcardQuery;
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QElapsedTimer timer;
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};
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#endif
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