134 lines
4.9 KiB
C++
134 lines
4.9 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/objects/Medium.hpp"
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#include <Wt/Dbo/Impl.h>
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#include "database/Session.hpp"
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#include "database/objects/Artist.hpp"
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#include "database/objects/Artwork.hpp"
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#include "database/objects/Cluster.hpp"
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#include "database/objects/Directory.hpp"
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#include "database/objects/Genre.hpp"
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#include "database/objects/Grouping.hpp"
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#include "database/objects/Language.hpp"
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#include "database/objects/MediaLibrary.hpp"
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#include "database/objects/Mood.hpp"
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#include "database/objects/Movement.hpp"
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#include "database/objects/Release.hpp"
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#include "database/objects/Track.hpp"
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#include "database/objects/TrackArtistLink.hpp"
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#include "database/objects/TrackEmbeddedImage.hpp"
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#include "database/objects/TrackEmbeddedImageLink.hpp"
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#include "database/objects/TrackLyrics.hpp"
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#include "database/objects/Work.hpp"
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#include "Utils.hpp"
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#include "traits/IdTypeTraits.hpp"
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DBO_INSTANTIATE_TEMPLATES(lms::db::Medium);
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namespace lms::db
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{
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Medium::Medium(ObjectPtr<Release> release)
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: _release(getDboPtr(release))
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{
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}
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Medium::pointer Medium::create(Session& session, ObjectPtr<Release> release)
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{
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return session.getDboSession()->add(std::unique_ptr<Medium>{ new Medium{ release } });
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}
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std::size_t Medium::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 medium"));
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}
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Medium::pointer Medium::find(Session& session, MediumId id)
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{
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session.checkReadTransaction();
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return utils::fetchQuerySingleResult(session.getDboSession()->query<Wt::Dbo::ptr<Medium>>("SELECT m from medium m").where("m.id = ?").bind(id));
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}
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Medium::pointer Medium::find(Session& session, ReleaseId releaseId, std::optional<std::size_t> position)
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{
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session.checkReadTransaction();
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std::optional<int> dbPosition;
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if (position)
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dbPosition = static_cast<int>(*position);
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auto query{ session.getDboSession()->query<Wt::Dbo::ptr<Medium>>("SELECT m from medium m") };
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query.where("m.release_id = ?").bind(releaseId);
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if (position)
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query.where("m.position = ?").bind(*dbPosition);
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else
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query.where("m.position IS NULL");
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return utils::fetchQuerySingleResult(query);
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}
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void Medium::find(Session& session, const IdRange<MediumId>& idRange, const std::function<void(const Medium::pointer&)>& func)
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{
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assert(idRange.isValid());
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auto query{ session.getDboSession()->query<Wt::Dbo::ptr<Medium>>("SELECT m from medium m").orderBy("m.id").where("m.id BETWEEN ? AND ?").bind(idRange.first).bind(idRange.last) };
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utils::forEachQueryResult(query, [&](const Medium::pointer& medium) {
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func(medium);
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});
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}
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IdRange<MediumId> Medium::findNextIdRange(Session& session, MediumId lastRetrievedId, std::size_t count)
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{
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session.checkReadTransaction();
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auto query{ session.getDboSession()->query<std::tuple<MediumId, MediumId>>("SELECT MIN(sub.id) AS first_id, MAX(sub.id) AS last_id FROM (SELECT m.id FROM medium m WHERE m.id > ? ORDER BY m.id LIMIT ?) sub") };
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query.bind(lastRetrievedId);
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query.bind(static_cast<int>(count));
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auto res{ utils::fetchQuerySingleResult(query) };
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return IdRange<MediumId>{ .first = std::get<0>(res), .last = std::get<1>(res) };
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}
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std::vector<MediumId> Medium::findOrphanIds(Session& session, std::optional<Range> range)
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{
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session.checkReadTransaction();
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// select the mediums that have no track
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auto query{ session.getDboSession()->query<MediumId>("select m.id from medium m LEFT OUTER JOIN track t ON m.id = t.medium_id WHERE t.id IS NULL") };
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return utils::execRangeQuery<MediumId>(query, range);
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}
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void Medium::updatePreferredArtwork(Session& session, MediumId mediumId, ArtworkId artworkId)
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{
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session.checkWriteTransaction();
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if (artworkId.isValid())
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utils::executeCommand(*session.getDboSession(), "UPDATE medium SET preferred_artwork_id = ? WHERE id = ?", artworkId, mediumId);
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else
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utils::executeCommand(*session.getDboSession(), "UPDATE medium SET preferred_artwork_id = NULL WHERE id = ?", mediumId);
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}
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} // namespace lms::db
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