Split the lib in smaller libs to ease unit tests
This commit is contained in:
emeric
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/*
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* Copyright (C) 2015 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/Artist.hpp"
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#include <Wt/Dbo/WtSqlTraits.h>
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#include "database/Cluster.hpp"
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#include "database/Release.hpp"
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#include "database/Session.hpp"
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#include "database/Track.hpp"
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#include "database/User.hpp"
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#include "utils/Logger.hpp"
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#include "SqlQuery.hpp"
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namespace Database
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{
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Artist::Artist(const std::string& name, const std::optional<UUID>& MBID)
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: _name {std::string(name, 0 , _maxNameLength)},
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_sortName {_name},
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_MBID {MBID ? MBID->getAsString() : ""}
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{
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}
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std::vector<Artist::pointer>
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Artist::getByName(Session& session, const std::string& name)
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{
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session.checkSharedLocked();
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Wt::Dbo::collection<Artist::pointer> res = session.getDboSession().find<Artist>().where("name = ?").bind( std::string{name, 0, _maxNameLength} );
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return std::vector<Artist::pointer>(res.begin(), res.end());
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}
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Artist::pointer
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Artist::getByMBID(Session& session, const UUID& mbid)
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{
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session.checkSharedLocked();
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return session.getDboSession().find<Artist>().where("mbid = ?").bind(std::string {mbid.getAsString()});
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}
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Artist::pointer
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Artist::getById(Session& session, IdType id)
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{
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session.checkSharedLocked();
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return session.getDboSession().find<Artist>().where("id = ?").bind(id);
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}
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Artist::pointer
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Artist::create(Session& session, const std::string& name, const std::optional<UUID>& MBID)
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{
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session.checkUniqueLocked();
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Artist::pointer res {session.getDboSession().add(std::make_unique<Artist>(name, MBID))};
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session.getDboSession().flush();
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return res;
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}
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std::vector<Artist::pointer>
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Artist::getAll(Session& session, std::optional<std::size_t> offset, std::optional<std::size_t> size)
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{
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session.checkSharedLocked();
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Wt::Dbo::collection<pointer> res = session.getDboSession().find<Artist>()
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.offset(offset ? static_cast<int>(*offset) : -1)
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.limit(size ? static_cast<int>(*size) : -1)
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.orderBy("sort_name COLLATE NOCASE");
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return std::vector<pointer>(res.begin(), res.end());
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}
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std::vector<IdType>
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Artist::getAllIds(Session& session)
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{
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session.checkSharedLocked();
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Wt::Dbo::collection<IdType> res = session.getDboSession().query<IdType>("SELECT id FROM artist");
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return std::vector<IdType>(res.begin(), res.end());
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}
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std::vector<Artist::pointer>
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Artist::getAllOrphans(Session& session)
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{
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session.checkSharedLocked();
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Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> res {session.getDboSession().query<Wt::Dbo::ptr<Artist>>("SELECT DISTINCT a FROM artist a WHERE NOT EXISTS(SELECT 1 FROM track t INNER JOIN track_artist_link t_a_l ON t_a_l.artist_id = a.id WHERE t.id = t_a_l.track_id)")};
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return std::vector<pointer>(res.begin(), res.end());
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}
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static
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Wt::Dbo::Query<Artist::pointer>
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getQuery(Session& session,
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const std::set<IdType>& clusterIds,
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const std::vector<std::string>& keywords,
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std::optional<TrackArtistLink::Type> linkType)
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{
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session.checkSharedLocked();
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WhereClause where;
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std::ostringstream oss;
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oss << "SELECT DISTINCT a FROM artist a";
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for (auto keyword : keywords)
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where.And(WhereClause("a.name LIKE ?")).bind("%%" + keyword + "%%");
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if (!clusterIds.empty() || linkType)
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{
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oss << " INNER JOIN track t ON t.id = t_a_l.track_id INNER JOIN track_artist_link t_a_l ON t_a_l.artist_id = a.id";
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if (!clusterIds.empty())
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{
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oss << " INNER JOIN cluster c ON c.id = t_c.cluster_id INNER JOIN track_cluster t_c ON t_c.track_id = t.id";
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WhereClause clusterClause;
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for (auto id : clusterIds)
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clusterClause.Or(WhereClause("c.id = ?")).bind(std::to_string(id));
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where.And(clusterClause);
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}
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if (linkType)
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where.And(WhereClause {"t_a_l.type = ?"}.bind(std::to_string(static_cast<int>(*linkType))));
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}
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oss << " " << where.get();
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if (!clusterIds.empty())
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oss << " GROUP BY t.id HAVING COUNT(DISTINCT c.id) = " << clusterIds.size();
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oss << " ORDER BY a.sort_name COLLATE NOCASE";
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Wt::Dbo::Query<Artist::pointer> query = session.getDboSession().query<Artist::pointer>( oss.str() );
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for (const std::string& bindArg : where.getBindArgs())
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{
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query.bind(bindArg);
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}
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return query;
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}
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std::vector<Artist::pointer>
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Artist::getByClusters(Session& session, const std::set<IdType>& clusters)
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{
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assert(!clusters.empty());
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session.checkSharedLocked();
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bool more;
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return getByFilter(session, clusters, {}, {}, {}, {}, more);
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}
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std::vector<Artist::pointer>
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Artist::getByFilter(Session& session,
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const std::set<IdType>& clusters,
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const std::vector<std::string>& keywords,
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std::optional<TrackArtistLink::Type> linkType,
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std::optional<std::size_t> offset,
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std::optional<std::size_t> size,
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bool& moreResults)
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{
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session.checkSharedLocked();
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Wt::Dbo::collection<Artist::pointer> collection = getQuery(session, clusters, keywords, linkType)
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.limit(size ? static_cast<int>(*size) + 1 : -1)
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.offset(offset ? static_cast<int>(*offset) : -1);
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auto res {std::vector<pointer>(collection.begin(), collection.end())};
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if (size && res.size() == static_cast<std::size_t>(*size) + 1)
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{
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moreResults = true;
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res.pop_back();
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}
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else
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moreResults = false;
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return res;
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}
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std::vector<Artist::pointer>
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Artist::getLastAdded(Session& session, Wt::WDateTime after, std::optional<std::size_t> limit)
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{
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session.checkSharedLocked();
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Wt::Dbo::collection<Artist::pointer> res = session.getDboSession().query<Artist::pointer>("SELECT a from artist a INNER JOIN track_artist_link t_a_l ON t_a_l.artist_id = a.id INNER JOIN track t ON t.id = t_a_l.track_id")
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.where("t.file_added > ?").bind(after)
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.groupBy("a.id")
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.orderBy("t.file_added DESC")
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.limit(limit ? static_cast<int>(*limit) : -1);
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return std::vector<pointer>(res.begin(), res.end());
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}
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std::vector<Wt::Dbo::ptr<Release>>
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Artist::getReleases(const std::set<IdType>& clusterIds) const
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{
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assert(self());
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assert(IdIsValid(self()->id()));
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assert(session());
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WhereClause where;
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std::ostringstream oss;
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oss << "SELECT DISTINCT r FROM release r INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id INNER JOIN track t ON t.release_id = r.id";
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if (!clusterIds.empty())
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{
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oss << " INNER JOIN cluster c ON c.id = t_c.cluster_id INNER JOIN track_cluster t_c ON t_c.track_id = t.id";
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WhereClause clusterClause;
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for (auto id : clusterIds)
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clusterClause.Or(WhereClause("c.id = ?")).bind(std::to_string(id));
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where.And(clusterClause);
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}
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where.And(WhereClause("a.id = ?")).bind(std::to_string(id()));
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oss << " " << where.get();
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if (!clusterIds.empty())
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oss << " GROUP BY t.id HAVING COUNT(DISTINCT c.id) = " << clusterIds.size();
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oss << " ORDER BY t.year,r.name";
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Wt::Dbo::Query<Release::pointer> query = session()->query<Release::pointer>( oss.str() );
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for (const std::string& bindArg : where.getBindArgs())
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query.bind(bindArg);
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Wt::Dbo::collection<Wt::Dbo::ptr<Release>> res = query;
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return std::vector<Wt::Dbo::ptr<Release>>(res.begin(), res.end());
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}
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std::size_t
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Artist::getReleaseCount() const
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{
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assert(self());
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assert(IdIsValid(self()->id()));
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assert(session());
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int res = session()->query<int>("SELECT COUNT(DISTINCT r.id) FROM release r INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id INNER JOIN track t ON t.release_id = r.id")
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.where("a.id = ?").bind(self()->id());
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return res;
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}
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std::vector<Wt::Dbo::ptr<Track>>
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Artist::getTracks(std::optional<TrackArtistLink::Type> linkType) const
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{
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assert(self());
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assert(IdIsValid(self()->id()));
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assert(session());
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auto query {session()->query<Wt::Dbo::ptr<Track>>("SELECT DISTINCT t FROM track t INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id")
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.where("a.id = ?").bind(self()->id())
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.orderBy("t.year,t.release_id,t.disc_number,t.track_number")};
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if (linkType)
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query.where("t_a_l.type = ?").bind(*linkType);
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Wt::Dbo::collection<Wt::Dbo::ptr<Track>> tracks {query.resultList()};
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return std::vector<Wt::Dbo::ptr<Track>>(tracks.begin(), tracks.end());
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}
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std::vector<Wt::Dbo::ptr<Track>>
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Artist::getTracksWithRelease(std::optional<TrackArtistLink::Type> linkType) const
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{
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assert(self());
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assert(IdIsValid(self()->id()));
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assert(session());
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auto query {session()->query<Wt::Dbo::ptr<Track>>("SELECT t FROM track t INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id INNER JOIN release r ON r.id = t.release_id")
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.where("a.id = ?").bind(self()->id())
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.orderBy("t.year,r.name,t.disc_number,t.track_number")};
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if (linkType)
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query.where("t_a_l.type = ?").bind(*linkType);
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Wt::Dbo::collection<Wt::Dbo::ptr<Track>> tracks {query.resultList()};
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return std::vector<Wt::Dbo::ptr<Track>>(tracks.begin(), tracks.end());
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}
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std::vector<Wt::Dbo::ptr<Track>>
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Artist::getRandomTracks(std::optional<std::size_t> count) const
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{
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assert(self());
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assert(IdIsValid(self()->id()));
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assert(session());
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Wt::Dbo::collection<Wt::Dbo::ptr<Track>> tracks {session()->query<Wt::Dbo::ptr<Track>>("SELECT t from track t INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id")
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.where("a.id = ?").bind(self()->id())
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.orderBy("RANDOM()")
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.limit(count ? static_cast<int>(*count) : -1)};
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return std::vector<Wt::Dbo::ptr<Track>>(tracks.begin(), tracks.end());
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}
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std::vector<Wt::Dbo::ptr<Artist>>
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Artist::getSimilarArtists(std::optional<std::size_t> offset, std::optional<std::size_t> count) const
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{
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assert(self());
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assert(IdIsValid(self()->id()));
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assert(session());
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Wt::Dbo::Query<pointer> query {session()->query<pointer>(
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"SELECT a FROM artist a"
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" INNER JOIN track_artist_link t_a_l ON t_a_l.artist_id = a.id"
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" INNER JOIN track t ON t.id = t_a_l.track_id"
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" INNER JOIN track_cluster t_c ON t_c.track_id = t.id"
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" WHERE "
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" t_c.cluster_id IN (SELECT c.id from cluster c INNER JOIN track t ON c.id = t_c.cluster_id INNER JOIN track_cluster t_c ON t_c.track_id = t.id INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id WHERE a.id = ?)"
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" AND a.id <> ?"
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)
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.bind(self()->id())
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.bind(self()->id())
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.groupBy("a.id")
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.orderBy("COUNT(*) DESC")
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.limit(count ? static_cast<int>(*count) : -1)
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.offset(offset ? static_cast<int>(*offset) : -1)};
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Wt::Dbo::collection<pointer> res = query;
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return std::vector<pointer>(res.begin(), res.end());
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}
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std::vector<std::vector<Wt::Dbo::ptr<Cluster>>>
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Artist::getClusterGroups(std::vector<ClusterType::pointer> clusterTypes, std::size_t size) const
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{
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assert(self());
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assert(IdIsValid(self()->id()));
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assert(session());
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WhereClause where;
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std::ostringstream oss;
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oss << "SELECT c FROM cluster c INNER JOIN track t ON c.id = t_c.cluster_id INNER JOIN track_cluster t_c ON t_c.track_id = t.id INNER JOIN cluster_type c_type ON c.cluster_type_id = c_type.id INNER JOIN artist a ON t_a_l.artist_id = a.id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id";
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where.And(WhereClause("a.id = ?")).bind(std::to_string(self()->id()));
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{
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WhereClause clusterClause;
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for (auto clusterType : clusterTypes)
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clusterClause.Or(WhereClause("c_type.id = ?")).bind(std::to_string(clusterType.id()));
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where.And(clusterClause);
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}
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oss << " " << where.get();
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oss << "GROUP BY c.id ORDER BY COUNT(DISTINCT c.id) DESC";
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Wt::Dbo::Query<Cluster::pointer> query = session()->query<Cluster::pointer>( oss.str() );
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for (const std::string& bindArg : where.getBindArgs())
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query.bind(bindArg);
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Wt::Dbo::collection<Cluster::pointer> queryRes = query;
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std::map<IdType, std::vector<Cluster::pointer>> clusters;
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for (auto cluster : queryRes)
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{
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if (clusters[cluster->getType().id()].size() < size)
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clusters[cluster->getType().id()].push_back(cluster);
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}
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std::vector<std::vector<Cluster::pointer>> res;
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for (auto cluster_list : clusters)
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res.push_back(cluster_list.second);
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return res;
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}
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void
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Artist::setSortName(const std::string& sortName)
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{
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_sortName = std::string(sortName, 0 , _maxNameLength);
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}
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} // namespace Database
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