112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/*
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* Copyright (C) 2013-2016 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 "services/database/TrackArtistLink.hpp"
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#include "services/database/Artist.hpp"
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#include "services/database/Session.hpp"
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#include "services/database/Track.hpp"
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#include "IdTypeTraits.hpp"
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#include "Utils.hpp"
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namespace Database
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{
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namespace
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{
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Wt::Dbo::Query<TrackArtistLinkId> createQuery(Session& session, const TrackArtistLink::FindParameters& params)
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{
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session.checkReadTransaction();
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auto query{ session.getDboSession().query<TrackArtistLinkId>("SELECT DISTINCT t_a_l.id FROM track_artist_link t_a_l") };
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if (params.linkType)
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query.where("t_a_l.type = ?").bind(*params.linkType);
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if (params.track.isValid() || params.release.isValid())
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query.join("track t ON t.id = t_a_l.track_id");
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if (params.artist.isValid())
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query.join("artist a ON a.id = t_a_l.artist_id");
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if (params.release.isValid())
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query.where("t.release_id = ?").bind(params.release);
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if (params.track.isValid())
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query.where("t.id = ?").bind(params.track);
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return query;
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}
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}
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TrackArtistLink::TrackArtistLink(ObjectPtr<Track> track, ObjectPtr<Artist> artist, TrackArtistLinkType type, std::string_view subType)
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: _type{ type }
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, _subType{ subType }
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, _track{ getDboPtr(track) }
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, _artist{ getDboPtr(artist) }
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{
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}
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TrackArtistLink::pointer TrackArtistLink::create(Session& session, ObjectPtr<Track> track, ObjectPtr<Artist> artist, TrackArtistLinkType type, std::string_view subType)
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{
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session.checkWriteTransaction();
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TrackArtistLink::pointer res{ session.getDboSession().add(std::make_unique<TrackArtistLink>(track, artist, type, subType)) };
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session.getDboSession().flush();
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return res;
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}
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TrackArtistLink::pointer TrackArtistLink::find(Session& session, TrackArtistLinkId id)
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{
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session.checkReadTransaction();
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return session.getDboSession().find<TrackArtistLink>().where("id = ?").bind(id).resultValue();
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}
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RangeResults<TrackArtistLinkId> TrackArtistLink::find(Session& session, const FindParameters& params)
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{
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session.checkReadTransaction();
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auto query{ createQuery(session, params) };
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return Utils::execQuery<TrackArtistLinkId>(query, params.range);
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}
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EnumSet<TrackArtistLinkType> TrackArtistLink::findUsedTypes(Session& session)
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{
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session.checkReadTransaction();
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auto res{ session.getDboSession().query<TrackArtistLinkType>("SELECT DISTINCT type from track_artist_link").resultList() };
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return EnumSet<TrackArtistLinkType>(std::begin(res), std::end(res));
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}
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EnumSet<TrackArtistLinkType> TrackArtistLink::findUsedTypes(Session& session, ArtistId artistId)
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{
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session.checkReadTransaction();
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auto res{ session.getDboSession()
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.query<TrackArtistLinkType>("SELECT DISTINCT type from track_artist_link")
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.where("artist_id = ?").bind(artistId)
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.resultList() };
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return EnumSet<TrackArtistLinkType>(std::begin(res), std::end(res));
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}
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}
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