621 lines
18 KiB
C++
621 lines
18 KiB
C++
/*
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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 "lmscore/database/Artist.hpp"
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#include <Wt/Dbo/WtSqlTraits.h>
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#include "lmscore/database/Cluster.hpp"
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#include "lmscore/database/Release.hpp"
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#include "lmscore/database/Session.hpp"
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#include "lmscore/database/Track.hpp"
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#include "lmscore/database/User.hpp"
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#include "utils/Logger.hpp"
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#include "SqlQuery.hpp"
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#include "Utils.hpp"
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#include "Traits.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<Wt::Dbo::ptr<Artist>> res = session.getDboSession().find<Artist>()
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.where("name = ?").bind(std::string {name, 0, _maxNameLength})
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.orderBy("LENGTH(mbid) DESC"); // put mbid entries first
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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()}).resultValue();
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}
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Artist::pointer
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Artist::getById(Session& session, ArtistId id)
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{
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session.checkSharedLocked();
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return session.getDboSession().find<Artist>().where("id = ?").bind(id).resultValue();
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}
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bool
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Artist::exists(Session& session, ArtistId id)
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{
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session.checkSharedLocked();
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return session.getDboSession().query<int>("SELECT 1 FROM artist").where("id = ?").bind(id).resultValue() == 1;
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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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template <typename T>
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static
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Wt::Dbo::Query<T>
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createQuery(Session& session,
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const std::string& queryStr,
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const std::vector<ClusterId>& clusterIds,
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const std::vector<std::string_view>& keywords,
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std::optional<TrackArtistLinkType> linkType)
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{
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session.checkSharedLocked();
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auto query {session.getDboSession().query<T>(queryStr)};
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query.join("track t ON t.id = t_a_l.track_id");
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query.join("track_artist_link t_a_l ON t_a_l.artist_id = a.id");
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if (linkType)
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query.where("t_a_l.type = ?").bind(*linkType);
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if (!keywords.empty())
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{
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std::vector<std::string> clauses;
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std::vector<std::string> sortClauses;
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for (std::string_view keyword : keywords)
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{
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clauses.push_back("a.name LIKE ? ESCAPE '" ESCAPE_CHAR_STR "'");
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query.bind("%" + escapeLikeKeyword(keyword) + "%");
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}
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for (std::string_view keyword : keywords)
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{
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sortClauses.push_back("a.sort_name LIKE ? ESCAPE '" ESCAPE_CHAR_STR "'");
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query.bind("%" + escapeLikeKeyword(keyword) + "%");
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}
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query.where("(" + StringUtils::joinStrings(clauses, " AND ") + ") OR (" + StringUtils::joinStrings(sortClauses, " AND ") + ")");
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}
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if (!clusterIds.empty())
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{
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std::ostringstream oss;
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oss << "a.id IN (SELECT DISTINCT a.id FROM artist a"
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" INNER JOIN track t ON t.id = t_a_l.track_id"
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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 cluster c ON c.id = t_c.cluster_id"
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" INNER JOIN track_cluster t_c ON t_c.track_id = t.id";
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WhereClause clusterClause;
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for (const ClusterId clusterId : clusterIds)
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{
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clusterClause.Or(WhereClause("c.id = ?"));
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query.bind(clusterId);
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}
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oss << " " << clusterClause.get();
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oss << " GROUP BY t.id,a.id HAVING COUNT(DISTINCT c.id) = " << clusterIds.size() << ")";
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query.where(oss.str());
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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::getAll(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().find<Artist>();
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return std::vector<pointer>(res.begin(), res.end());
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}
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std::vector<Artist::pointer>
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Artist::getAll(Session& session, SortMethod sortMethod)
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{
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session.checkSharedLocked();
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auto query {session.getDboSession().find<Artist>()};
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switch (sortMethod)
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{
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case Artist::SortMethod::None:
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break;
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case Artist::SortMethod::ByName:
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query.orderBy("name COLLATE NOCASE");
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break;
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case Artist::SortMethod::BySortName:
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query.orderBy("sort_name COLLATE NOCASE");
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break;
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}
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Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> res = query;
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return std::vector<pointer>(res.begin(), res.end());
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}
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std::vector<Artist::pointer>
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Artist::getAll(Session& session, SortMethod sortMethod, std::optional<Range> range, bool& moreResults)
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{
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session.checkSharedLocked();
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auto query {createQuery<Wt::Dbo::ptr<Artist>>(session, "SELECT a FROM Artist a", {}, {}, std::nullopt)};
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switch (sortMethod)
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{
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case Artist::SortMethod::None:
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break;
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case Artist::SortMethod::ByName:
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query.orderBy("a.name COLLATE NOCASE");
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break;
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case Artist::SortMethod::BySortName:
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query.orderBy("a.sort_name COLLATE NOCASE");
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break;
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}
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Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> collection = query
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.limit(range ? static_cast<int>(range->limit) + 1 : -1)
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.offset(range ? static_cast<int>(range->offset) : -1);
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std::vector<Artist::pointer> res (collection.begin(), collection.end());
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if (range && res.size() == static_cast<std::size_t>(range->limit) + 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<ArtistId>
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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<ArtistId> res = session.getDboSession().query<ArtistId>("SELECT id FROM artist");
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return std::vector<ArtistId>(res.begin(), res.end());
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}
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std::vector<ArtistId>
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Artist::getAllIdsRandom(Session& session, const std::vector<ClusterId>& clusters, std::optional<TrackArtistLinkType> linkType, std::optional<std::size_t> size)
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{
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session.checkSharedLocked();
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auto query {createQuery<ArtistId>(session, "SELECT DISTINCT a.id from artist a", clusters, {}, linkType)};
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Wt::Dbo::collection<ArtistId> res = query
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.orderBy("RANDOM()")
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.limit(size ? static_cast<int>(*size) : -1);
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return std::vector<ArtistId>(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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std::vector<ArtistId>
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Artist::getAllIdsWithClusters(Session& session, std::optional<std::size_t> limit)
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{
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session.checkSharedLocked();
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Wt::Dbo::collection<ArtistId> res = session.getDboSession().query<ArtistId>
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("SELECT DISTINCT a.id FROM artist a"
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" 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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" INNER JOIN track_cluster t_c ON t_c.track_id = t.id")
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.limit(limit ? static_cast<int>(*limit) : -1);
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return std::vector<ArtistId>(res.begin(), res.end());
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}
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std::vector<Artist::pointer>
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Artist::getByClusters(Session& session, const std::vector<ClusterId>& clusters, SortMethod sortMethod)
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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, {}, std::nullopt, sortMethod, std::nullopt, 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::vector<ClusterId>& clusters,
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const std::vector<std::string_view>& keywords,
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std::optional<TrackArtistLinkType> linkType,
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SortMethod sortMethod,
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std::optional<Range> range,
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bool& moreResults)
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{
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session.checkSharedLocked();
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auto query {createQuery<Wt::Dbo::ptr<Artist>>(session, "SELECT DISTINCT a from artist a", clusters, keywords, linkType)};
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switch (sortMethod)
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{
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case Artist::SortMethod::None:
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break;
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case Artist::SortMethod::ByName:
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query.orderBy("a.name COLLATE NOCASE");
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break;
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case Artist::SortMethod::BySortName:
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query.orderBy("a.sort_name COLLATE NOCASE");
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break;
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}
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Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> collection = query
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.limit(range ? static_cast<int>(range->limit) + 1 : -1)
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.offset(range ? static_cast<int>(range->offset) : -1);
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std::vector<pointer> res (collection.begin(), collection.end());
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if (range && res.size() == static_cast<std::size_t>(range->limit) + 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::getLastWritten(Session& session,
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std::optional<Wt::WDateTime> after,
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const std::vector<ClusterId>& clusters,
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std::optional<TrackArtistLinkType> linkType,
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std::optional<Range> range, bool& moreResults)
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{
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session.checkSharedLocked();
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auto query {createQuery<Wt::Dbo::ptr<Artist>>(session, "SELECT DISTINCT a from artist a", clusters, {}, linkType)};
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if (after)
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query.where("t.file_last_write > ?").bind(*after);
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Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> collection = query
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.orderBy("t.file_last_write DESC")
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.limit(range ? static_cast<int>(range->limit) + 1 : -1)
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.offset(range ? static_cast<int>(range->offset) : -1);
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std::vector<pointer> res (collection.begin(), collection.end());
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if (range && res.size() == static_cast<std::size_t>(range->limit) + 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 std::vector<pointer>(res.begin(), res.end());
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}
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std::vector<Artist::pointer>
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Artist::getStarred(Session& session,
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User::pointer user,
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const std::vector<ClusterId>& clusters,
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std::optional<TrackArtistLinkType> linkType,
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SortMethod sortMethod,
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std::optional<Range> range, bool& moreResults)
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{
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session.checkSharedLocked();
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auto query {createQuery<Wt::Dbo::ptr<Artist>>(session, "SELECT DISTINCT a from artist a", clusters, {}, linkType)};
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{
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std::ostringstream oss;
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oss << "a.id IN (SELECT DISTINCT a.id FROM artist a"
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" INNER JOIN user_artist_starred uas ON uas.artist_id = a.id"
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" INNER JOIN user u ON u.id = uas.user_id WHERE u.id = ?)";
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query.bind(user->getId());
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query.where(oss.str());
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}
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switch (sortMethod)
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{
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case Artist::SortMethod::None:
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break;
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case Artist::SortMethod::ByName:
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query.orderBy("name COLLATE NOCASE");
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break;
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case Artist::SortMethod::BySortName:
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query.orderBy("sort_name COLLATE NOCASE");
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break;
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}
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Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> collection = query
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.groupBy("a.id")
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.limit(range ? static_cast<int>(range->limit) + 1 : -1)
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.offset(range ? static_cast<int>(range->offset) : -1);
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std::vector<pointer> res (collection.begin(), collection.end());
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if (range && res.size() == static_cast<std::size_t>(range->limit) + 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 std::vector<pointer>(res.begin(), res.end());
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}
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std::vector<Release::pointer>
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Artist::getReleases(const std::vector<ClusterId>& clusterIds) const
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{
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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(id.toString());
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where.And(clusterClause);
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}
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where.And(WhereClause("a.id = ?")).bind(getId().toString());
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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.date DESC, r.name COLLATE NOCASE";
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auto query {session()->query<Wt::Dbo::ptr<Release>>(oss.str())};
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for (const std::string& bindArg : where.getBindArgs())
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query.bind(bindArg);
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auto res {query.resultList()};
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return std::vector<Release::pointer>(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(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(getId());
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return res;
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}
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std::vector<Track::pointer>
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Artist::getTracks(std::optional<TrackArtistLinkType> linkType) const
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{
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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(getId())
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.orderBy("t.date DESC,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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auto tracks {query.resultList()};
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return std::vector<Track::pointer>(tracks.begin(), tracks.end());
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}
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std::vector<Track::pointer>
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Artist::getNonReleaseTracks(std::optional<TrackArtistLinkType> linkType, std::optional<Range> range, bool& moreResults) const
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{
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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")
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.where("a.id = ?").bind(getId())
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.where("t.release_id is NULL")
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.orderBy("t.name")
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.limit(range ? static_cast<int>(range->limit) + 1 : -1)
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.offset(range ? static_cast<int>(range->offset) : -1)};
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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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std::vector<Track::pointer> res(tracks.begin(), tracks.end());
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if (range && res.size() == static_cast<std::size_t>(range->limit) + 1)
|
|
{
|
|
moreResults = true;
|
|
res.pop_back();
|
|
}
|
|
else
|
|
moreResults = false;
|
|
|
|
return res;
|
|
}
|
|
|
|
bool
|
|
Artist::hasNonReleaseTracks(std::optional<TrackArtistLinkType> linkType) const
|
|
{
|
|
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")
|
|
.where("a.id = ?").bind(getId())
|
|
.where("t.release_id is NULL")
|
|
.orderBy("t.name")};
|
|
|
|
if (linkType)
|
|
query.where("t_a_l.type = ?").bind(*linkType);
|
|
|
|
return !query.resultList().empty();
|
|
}
|
|
|
|
std::vector<Track::pointer>
|
|
Artist::getRandomTracks(std::optional<std::size_t> count) const
|
|
{
|
|
assert(session());
|
|
|
|
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")
|
|
.where("a.id = ?").bind(getId())
|
|
.orderBy("RANDOM()")
|
|
.limit(count ? static_cast<int>(*count) : -1)};
|
|
|
|
return std::vector<Track::pointer>(tracks.begin(), tracks.end());
|
|
}
|
|
|
|
std::vector<Artist::pointer>
|
|
Artist::getSimilarArtists(EnumSet<TrackArtistLinkType> artistLinkTypes, std::optional<Range> range) const
|
|
{
|
|
assert(session());
|
|
|
|
std::ostringstream oss;
|
|
oss <<
|
|
"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"
|
|
" INNER JOIN track_cluster t_c ON t_c.track_id = t.id"
|
|
" WHERE "
|
|
" 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 = ?)"
|
|
" AND a.id <> ?";
|
|
|
|
if (!artistLinkTypes.empty())
|
|
{
|
|
oss << " AND t_a_l.type IN (";
|
|
|
|
bool first {true};
|
|
for (TrackArtistLinkType type : artistLinkTypes)
|
|
{
|
|
(void) type;
|
|
if (!first)
|
|
oss << ", ";
|
|
oss << "?";
|
|
first = false;
|
|
}
|
|
oss << ")";
|
|
}
|
|
|
|
Wt::Dbo::Query<Wt::Dbo::ptr<Artist>> query {session()->query<Wt::Dbo::ptr<Artist>>(oss.str())
|
|
.bind(getId())
|
|
.bind(getId())
|
|
.groupBy("a.id")
|
|
.orderBy("COUNT(*) DESC, RANDOM()")
|
|
.limit(range ? static_cast<int>(range->limit) : -1)
|
|
.offset(range ? static_cast<int>(range->offset) : -1)};
|
|
|
|
for (TrackArtistLinkType type : artistLinkTypes)
|
|
query.bind(type);
|
|
|
|
Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> res {query.resultList()};
|
|
return std::vector<pointer>(res.begin(), res.end());
|
|
}
|
|
|
|
std::vector<std::vector<Cluster::pointer>>
|
|
Artist::getClusterGroups(std::vector<ClusterType::pointer> clusterTypes, std::size_t size) const
|
|
{
|
|
assert(session());
|
|
|
|
WhereClause where;
|
|
|
|
std::ostringstream oss;
|
|
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";
|
|
|
|
where.And(WhereClause("a.id = ?")).bind(getId().toString());
|
|
{
|
|
WhereClause clusterClause;
|
|
for (auto clusterType : clusterTypes)
|
|
clusterClause.Or(WhereClause("c_type.id = ?")).bind(clusterType->getId().toString());
|
|
|
|
where.And(clusterClause);
|
|
}
|
|
oss << " " << where.get();
|
|
oss << "GROUP BY c.id ORDER BY COUNT(DISTINCT c.id) DESC";
|
|
|
|
Wt::Dbo::Query<Wt::Dbo::ptr<Cluster>> query = session()->query<Wt::Dbo::ptr<Cluster>>( oss.str() );
|
|
|
|
for (const std::string& bindArg : where.getBindArgs())
|
|
query.bind(bindArg);
|
|
|
|
Wt::Dbo::collection<Wt::Dbo::ptr<Cluster>> queryRes = query;
|
|
|
|
std::map<ClusterTypeId, std::vector<Cluster::pointer>> clustersByType;
|
|
for (const Cluster::pointer& cluster : queryRes)
|
|
{
|
|
if (clustersByType[cluster->getType()->getId()].size() < size)
|
|
clustersByType[cluster->getType()->getId()].push_back(cluster);
|
|
}
|
|
|
|
std::vector<std::vector<Cluster::pointer>> res;
|
|
for (const auto& [clusterTypeId, clusters] : clustersByType)
|
|
res.push_back(clusters);
|
|
|
|
return res;
|
|
}
|
|
|
|
void
|
|
Artist::setSortName(const std::string& sortName)
|
|
{
|
|
_sortName = std::string(sortName, 0 , _maxNameLength);
|
|
}
|
|
|
|
} // namespace Database
|