25ff471d3b
details - and use this to build listing. - Reduce space of db slightly - by not storing album and albumId if these are the same. - Remove indexes, as these were incorrect anyway. #702
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/*
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* Cantata
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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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#include "onlinedb.h"
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#include <QVariant>
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#include <QSqlQuery>
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static const QString subDir("online");
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OnlineDb::OnlineDb(const QString &serviceName, QObject *p)
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: LibraryDb(p, serviceName)
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, insertCoverQuery(0)
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, getCoverQuery(0)
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{
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init(Utils::dataDir(subDir, true)+serviceName+".sql");
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createTable("covers(artistId, albumId, url)");
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createTable("stats(artists)");
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QSqlQuery(*db).exec("create index genre_idx on songs(");
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}
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OnlineDb::~OnlineDb()
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{
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}
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void OnlineDb::startUpdate()
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{
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updateStarted(currentVersion+1);
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QSqlQuery(*db).exec("delete from covers");
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QSqlQuery(*db).exec("drop index genre_idx");
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}
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void OnlineDb::endUpdate()
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{
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updateFinished();
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}
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void OnlineDb::insertStats(int numArtists)
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{
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QSqlQuery(*db).exec("delete from stats");
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QSqlQuery(*db).exec("insert into stats(artists) values("+QString::number(numArtists)+")");
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}
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void OnlineDb::storeCoverUrl(const QString &artistId, const QString &albumId, const QString &url)
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{
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if (!insertCoverQuery) {
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insertCoverQuery=new QSqlQuery(*db);
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insertCoverQuery->prepare("insert into covers(artistId, albumId, url) "
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"values(:artistId, :albumId, :url)");
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}
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insertCoverQuery->bindValue(":artistId", artistId);
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insertCoverQuery->bindValue(":albumId", albumId);
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insertCoverQuery->bindValue(":url", url);
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insertCoverQuery->exec();
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}
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int OnlineDb::getStats()
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{
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QSqlQuery q(*db);
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q.exec("select artists from stats");
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if (q.next()) {
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return q.value(0).toInt();
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}
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return -1;
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}
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QString OnlineDb::getCoverUrl(const QString &artistId, const QString &albumId)
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{
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if (0!=currentVersion) {
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if (!getCoverQuery) {
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getCoverQuery=new QSqlQuery(*db);
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getCoverQuery->prepare("select url from covers where artistId=:artistId and albumId=:albumId limit 1;");
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}
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getCoverQuery->bindValue(":artistId", artistId);
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getCoverQuery->bindValue(":albumId", albumId);
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getCoverQuery->exec();
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while (getCoverQuery->next()) {
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return getCoverQuery->value(0).toString();
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}
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}
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return QString();
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}
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