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lms/src/libs/database/impl/Artwork.cpp
T

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/*
* Copyright (C) 2025 Emeric Poupon
*
* This file is part of LMS.
*
* LMS 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 3 of the License, or
* (at your option) any later version.
*
* LMS 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 LMS. If not, see <http://www.gnu.org/licenses/>.
*/
#include "database/Artwork.hpp"
#include <Wt/Dbo/WtSqlTraits.h>
#include "database/Image.hpp"
#include "database/Session.hpp"
#include "database/TrackEmbeddedImage.hpp"
#include "Utils.hpp"
#include "traits/IdTypeTraits.hpp"
#include "traits/PathTraits.hpp"
namespace lms::db
{
Artwork::Artwork(ObjectPtr<TrackEmbeddedImage> trackEmbeddedImage)
: _trackEmbeddedImage{ getDboPtr(trackEmbeddedImage) }
{
}
Artwork::Artwork(ObjectPtr<Image> image)
: _image{ getDboPtr(image) }
{
}
Artwork::pointer Artwork::create(Session& session, ObjectPtr<TrackEmbeddedImage> trackEmbeddedImage)
{
session.checkWriteTransaction();
return session.getDboSession()->add(std::unique_ptr<Artwork>{ new Artwork{ trackEmbeddedImage } });
}
Artwork::pointer Artwork::create(Session& session, ObjectPtr<Image> image)
{
session.checkWriteTransaction();
return session.getDboSession()->add(std::unique_ptr<Artwork>{ new Artwork{ image } });
}
std::size_t Artwork::getCount(Session& session)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->query<long>("SELECT COUNT(*) FROM artwork"));
}
Artwork::pointer Artwork::find(Session& session, ArtworkId id)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->query<Wt::Dbo::ptr<Artwork>>("SELECT a FROM artwork a").where("a.id = ?").bind(id));
}
Artwork::pointer Artwork::find(Session& session, TrackEmbeddedImageId id)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->query<Wt::Dbo::ptr<Artwork>>("SELECT a FROM artwork a").where("a.track_embedded_image_id = ?").bind(id));
}
Artwork::pointer Artwork::find(Session& session, ImageId id)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->query<Wt::Dbo::ptr<Artwork>>("SELECT a FROM artwork a").where("a.image_id = ?").bind(id));
}
Wt::WDateTime Artwork::getLastWrittenTime() const
{
auto query{ session()->query<Wt::WDateTime>("SELECT MAX(COALESCE(image.file_last_write, track.file_last_write)) AS last_written_datetime FROM artwork") };
query.leftJoin("image ON artwork.image_id = image.id");
query.leftJoin("track_embedded_image ON artwork.track_embedded_image_id = track_embedded_image.id");
query.leftJoin("track_embedded_image_link ON track_embedded_image.id = track_embedded_image_link.track_embedded_image_id");
query.leftJoin("track ON track.id = track_embedded_image_link.track_id");
query.where("artwork.id = ?").bind(getId());
return utils::fetchQuerySingleResult(query);
}
std::filesystem::path Artwork::getAbsoluteFilePath() const
{
auto query{ session()->query<std::filesystem::path>("SELECT COALESCE(image.absolute_file_path, track.absolute_file_path) AS absolute_file_path FROM artwork") };
query.leftJoin("image ON artwork.image_id = image.id");
query.leftJoin("track_embedded_image ON artwork.track_embedded_image_id = track_embedded_image.id");
query.leftJoin("track_embedded_image_link ON track_embedded_image.id = track_embedded_image_link.track_embedded_image_id");
query.leftJoin("track ON track.id = track_embedded_image_link.track_id");
query.limit(1); // there may be several tracks matching this artwork...
query.where("artwork.id = ?").bind(getId());
return utils::fetchQuerySingleResult(query);
}
} // namespace lms::db