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/*
* Cantata
*
* Copyright (c) 2017-2022 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* 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 2 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "onlinedb.h"
#include <QSqlQuery>
#include <QVariant>
static const QString subDir("online");
OnlineDb::OnlineDb(const QString& serviceName, QObject* p)
: LibraryDb(p, serviceName), insertCoverQuery(nullptr), getCoverQuery(nullptr)
{
}
OnlineDb::~OnlineDb()
{
}
bool OnlineDb::init(const QString& dbFile)
{
LibraryDb::init(dbFile);
createTable("covers(artistId text, albumId text, url text)");
createTable("stats(artists integer)");
return true;
}
void OnlineDb::create()
{
if (!db) {
init(Utils::dataDir(subDir, true) + dbName + ".sql");
}
}
void OnlineDb::startUpdate()
{
updateStarted(currentVersion + 1);
if (!db) {
return;
}
QSqlQuery(*db).exec("delete from covers");
QSqlQuery(*db).exec("drop index genre_idx");
}
void OnlineDb::endUpdate()
{
updateFinished();
}
void OnlineDb::insertStats(int numArtists)
{
if (!db) {
return;
}
QSqlQuery(*db).exec("delete from stats");
QSqlQuery(*db).exec("insert into stats(artists) values(" + QString::number(numArtists) + ")");
}
void OnlineDb::reset()
{
delete insertCoverQuery;
delete getCoverQuery;
insertCoverQuery = nullptr;
getCoverQuery = nullptr;
LibraryDb::reset();
}
void OnlineDb::storeCoverUrl(const QString& artistId, const QString& albumId, const QString& url)
{
if (!db) {
return;
}
if (!insertCoverQuery) {
insertCoverQuery = new QSqlQuery(*db);
insertCoverQuery->prepare("insert into covers(artistId, albumId, url) "
"values(:artistId, :albumId, :url)");
}
insertCoverQuery->bindValue(":artistId", artistId);
insertCoverQuery->bindValue(":albumId", albumId);
insertCoverQuery->bindValue(":url", url);
insertCoverQuery->exec();
}
int OnlineDb::getStats()
{
if (!db) {
return -1;
}
QSqlQuery q(*db);
q.exec("select artists from stats");
if (q.next()) {
return q.value(0).toInt();
}
return -1;
}
QString OnlineDb::getCoverUrl(const QString& artistId, const QString& albumId)
{
if (0 != currentVersion && db) {
if (!getCoverQuery) {
getCoverQuery = new QSqlQuery(*db);
getCoverQuery->prepare("select url from covers where artistId=:artistId and albumId=:albumId limit 1;");
}
getCoverQuery->bindValue(":artistId", artistId);
getCoverQuery->bindValue(":albumId", albumId);
getCoverQuery->exec();
while (getCoverQuery->next()) {
return getCoverQuery->value(0).toString();
}
}
return QString();
}
#include "moc_onlinedb.cpp"
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