132 lines
5.2 KiB
C++
132 lines
5.2 KiB
C++
/*
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* Copyright (C) 2025 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS 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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*
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* LMS 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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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "database/Directory.hpp"
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#include "database/Session.hpp"
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#include "database/Track.hpp"
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#include "database/TrackEmbeddedImage.hpp"
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#include "database/Types.hpp"
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#include "Utils.hpp"
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#include "traits/IdTypeTraits.hpp"
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#include "traits/ImageHashTypeTraits.hpp"
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namespace lms::db
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{
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namespace
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{
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Wt::Dbo::Query<Wt::Dbo::ptr<TrackEmbeddedImage>> createQuery(Session& session, const TrackEmbeddedImage::FindParameters& params)
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{
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session.checkReadTransaction();
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auto query{ session.getDboSession()->query<Wt::Dbo::ptr<TrackEmbeddedImage>>("SELECT t_e_i FROM track_embedded_image t_e_i") };
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if (params.track.isValid()
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|| params.release.isValid()
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|| params.trackList.isValid()
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|| params.imageType.has_value()
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|| params.sortMethod == TrackEmbeddedImageSortMethod::MediaTypeThenFrontTypeThenSizeDescDesc
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|| params.sortMethod == TrackEmbeddedImageSortMethod::FrontTypeThenSizeDesc)
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{
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query.join("track_embedded_image_link t_e_i_l ON t_e_i_l.track_embedded_image_id = t_e_i.id");
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if (params.track.isValid())
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query.where("t_e_i_l.track_id = ?").bind(params.track);
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if (params.release.isValid())
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{
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query.join("track t ON t_e_i_l.track_id = t.id");
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query.where("t.release_id = ?").bind(params.release);
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}
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if (params.trackList.isValid())
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{
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query.join("tracklist_entry t_l_e ON t_l_e.track_id = t_e_i_l.track_id");
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query.where("t_l_e.tracklist_id = ?").bind(params.trackList);
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}
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if (params.imageType.has_value())
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query.where("t_e_i_l.type = ?").bind(params.imageType.value());
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}
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switch (params.sortMethod)
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{
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case TrackEmbeddedImageSortMethod::None:
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break;
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case TrackEmbeddedImageSortMethod::SizeDesc:
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query.orderBy("t_e_i.size DESC");
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break;
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case TrackEmbeddedImageSortMethod::MediaTypeThenFrontTypeThenSizeDescDesc:
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query.orderBy("CASE t_e_i_l.type WHEN ? THEN 1 WHEN ? THEN 2 ELSE 3 END, t_e_i.size DESC").bind(ImageType::Media).bind(ImageType::FrontCover);
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break;
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case TrackEmbeddedImageSortMethod::FrontTypeThenSizeDesc:
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query.orderBy("CASE WHEN t_e_i_l.type = ? THEN 0 ELSE 1 END, t_e_i.size DESC").bind(ImageType::FrontCover);
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break;
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}
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return query;
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}
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} // namespace
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TrackEmbeddedImage::pointer TrackEmbeddedImage::create(Session& session)
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{
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return session.getDboSession()->add(std::unique_ptr<TrackEmbeddedImage>{ new TrackEmbeddedImage{} });
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}
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std::size_t TrackEmbeddedImage::getCount(Session& session)
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{
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session.checkReadTransaction();
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return utils::fetchQuerySingleResult(session.getDboSession()->query<int>("SELECT COUNT(*) FROM track_embedded_image"));
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}
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TrackEmbeddedImage::pointer TrackEmbeddedImage::find(Session& session, TrackEmbeddedImageId id)
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{
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session.checkReadTransaction();
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return utils::fetchQuerySingleResult(session.getDboSession()->find<TrackEmbeddedImage>().where("id = ?").bind(id));
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}
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void TrackEmbeddedImage::find(Session& session, const FindParameters& params, const std::function<void(const pointer&)>& func)
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{
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session.checkReadTransaction();
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auto query{ createQuery(session, params) };
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utils::forEachQueryRangeResult(query, params.range, func);
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}
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TrackEmbeddedImage::pointer TrackEmbeddedImage::find(Session& session, std::size_t size, ImageHashType hash)
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{
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session.checkReadTransaction();
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auto query{ session.getDboSession()->find<TrackEmbeddedImage>().where("size = ?").bind(static_cast<int>(size)).where("hash = ?").bind(hash) };
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return utils::fetchQuerySingleResult(query);
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}
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RangeResults<TrackEmbeddedImageId> TrackEmbeddedImage::findOrphanIds(Session& session, std::optional<Range> range)
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{
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session.checkReadTransaction();
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auto query{ session.getDboSession()->query<TrackEmbeddedImageId>("SELECT t_e_i.id FROM track_embedded_image t_e_i LEFT JOIN track_embedded_image_link t_e_i_l ON t_e_i.id = t_e_i_l.track_embedded_image_id WHERE t_e_i_l.track_embedded_image_id IS NULL") };
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return utils::execRangeQuery<TrackEmbeddedImageId>(query, range);
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}
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} // namespace lms::db
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