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lms/src/libs/services/database/impl/Release.cpp
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/*
* Copyright (C) 2015 Emeric Poupon
*
* This file is part of LMS.
*
* LMS is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* LMS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LMS. If not, see <http://www.gnu.org/licenses/>.
*/
#include "services/database/Release.hpp"
#include <Wt/Dbo/WtSqlTraits.h>
#include "services/database/Artist.hpp"
#include "services/database/Cluster.hpp"
#include "services/database/Session.hpp"
#include "services/database/Track.hpp"
#include "services/database/User.hpp"
#include "utils/Logger.hpp"
#include "SqlQuery.hpp"
#include "EnumSetTraits.hpp"
#include "IdTypeTraits.hpp"
#include "Utils.hpp"
namespace Database
{
Wt::Dbo::Query<ReleaseId>
createQuery(Session& session, const Release::FindParameters& params)
{
auto query {session.getDboSession().query<ReleaseId>("SELECT DISTINCT r.id from release r")};
if (params.sortMethod == ReleaseSortMethod::LastWritten
|| params.writtenAfter.isValid()
|| params.dateRange
|| params.artist.isValid())
{
query.join("track t ON t.release_id = r.id");
}
if (params.writtenAfter.isValid())
query.where("t.file_last_write > ?").bind(params.writtenAfter);
if (params.dateRange)
{
query.where("t.date >= ?").bind(params.dateRange->begin);
query.where("t.date <= ?").bind(params.dateRange->end);
}
for (std::string_view keyword : params.keywords)
query.where("r.name LIKE ? ESCAPE '" ESCAPE_CHAR_STR "'").bind("%" + Utils::escapeLikeKeyword(keyword) + "%");
if (params.starringUser.isValid())
{
assert(params.scrobbler);
query.join("starred_release s_r ON s_r.release_id = r.id")
.where("s_r.user_id = ?").bind(params.starringUser)
.where("s_r.scrobbler = ?").bind(*params.scrobbler)
.where("s_r.scrobbling_state <> ?").bind(ScrobblingState::PendingRemove);
}
if (params.artist.isValid())
{
query.join("artist a ON a.id = t_a_l.artist_id")
.join("track_artist_link t_a_l ON t_a_l.track_id = t.id")
.where("a.id = ?").bind(params.artist);
if (!params.trackArtistLinkTypes.empty())
{
std::ostringstream oss;
bool first {true};
for (TrackArtistLinkType linkType : params.trackArtistLinkTypes)
{
if (!first)
oss << " OR ";
oss << "t_a_l.type = ?";
query.bind(linkType);
first = false;
}
query.where(oss.str());
}
if (!params.excludedTrackArtistLinkTypes.empty())
{
std::ostringstream oss;
oss << "r.id NOT IN (SELECT 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"
" WHERE (a.id = ? AND (";
query.bind(params.artist);
bool first {true};
for (const TrackArtistLinkType linkType : params.excludedTrackArtistLinkTypes)
{
if (!first)
oss << " OR ";
oss << "t_a_l.type = ?";
query.bind(linkType);
first = false;
}
oss << ")))";
query.where(oss.str());
}
}
if (!params.clusters.empty())
{
std::ostringstream oss;
oss << "r.id IN (SELECT DISTINCT r.id FROM release r"
" INNER JOIN track t ON t.release_id = r.id"
" INNER JOIN cluster c ON c.id = t_c.cluster_id"
" INNER JOIN track_cluster t_c ON t_c.track_id = t.id";
WhereClause clusterClause;
for (const ClusterId clusterId : params.clusters)
{
clusterClause.Or(WhereClause("c.id = ?"));
query.bind(clusterId);
}
oss << " " << clusterClause.get();
oss << " GROUP BY t.id HAVING COUNT(*) = " << params.clusters.size() << ")";
query.where(oss.str());
}
switch (params.sortMethod)
{
case ReleaseSortMethod::None:
break;
case ReleaseSortMethod::Name:
query.orderBy("r.name COLLATE NOCASE");
break;
case ReleaseSortMethod::Random:
query.orderBy("RANDOM()");
break;
case ReleaseSortMethod::LastWritten:
query.orderBy("t.file_last_write DESC");
break;
case ReleaseSortMethod::Date:
query.orderBy("t.date, r.name COLLATE NOCASE");
break;
case ReleaseSortMethod::DateDesc:
query.orderBy("t.date DESC, r.name COLLATE NOCASE");
break;
case ReleaseSortMethod::StarredDateDesc:
assert(params.starringUser.isValid());
query.orderBy("s_r.date_time DESC");
break;
}
return query;
}
Release::Release(const std::string& name, const std::optional<UUID>& MBID)
: _name {std::string(name, 0 , _maxNameLength)},
_MBID {MBID ? MBID->getAsString() : ""}
{
}
Release::pointer
Release::create(Session& session, const std::string& name, const std::optional<UUID>& MBID)
{
return session.getDboSession().add(std::unique_ptr<Release> {new Release {name, MBID}});
}
std::vector<Release::pointer>
Release::find(Session& session, const std::string& name)
{
session.checkUniqueLocked();
auto res {session.getDboSession()
.find<Release>()
.where("name = ?").bind( std::string(name, 0, _maxNameLength) )
.resultList()};
return std::vector<Release::pointer>(res.begin(), res.end());
}
Release::pointer
Release::find(Session& session, const UUID& mbid)
{
session.checkSharedLocked();
return session.getDboSession()
.find<Release>()
.where("mbid = ?").bind(std::string {mbid.getAsString()})
.resultValue();;
}
Release::pointer
Release::find(Session& session, ReleaseId id)
{
session.checkSharedLocked();
return session.getDboSession()
.find<Release>()
.where("id = ?").bind(id)
.resultValue();
}
bool
Release::exists(Session& session, ReleaseId id)
{
session.checkSharedLocked();
return session.getDboSession().query<int>("SELECT 1 FROM release").where("id = ?").bind(id).resultValue() == 1;
}
std::size_t
Release::getCount(Session& session)
{
session.checkSharedLocked();
return session.getDboSession().query<int>("SELECT COUNT(*) FROM release");
}
RangeResults<ReleaseId>
Release::findOrderedByArtist(Session& session, Range range)
{
session.checkSharedLocked();
// TODO merge with find
auto query {session.getDboSession().query<ReleaseId>(
"SELECT DISTINCT r.id FROM release r"
" INNER JOIN track t ON r.id = t.release_id"
" INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id"
" INNER JOIN artist a ON t_a_l.artist_id = a.id")
.orderBy("a.name COLLATE NOCASE, r.name COLLATE NOCASE")};
return Utils::execQuery(query, range);
}
RangeResults<ReleaseId>
Release::findOrphans(Session& session, Range range)
{
session.checkSharedLocked();
auto query {session.getDboSession().query<ReleaseId>("select r.id from release r LEFT OUTER JOIN Track t ON r.id = t.release_id WHERE t.id IS NULL")};
return Utils::execQuery(query, range);
}
RangeResults<ReleaseId>
Release::find(Session& session, const FindParameters& params)
{
session.checkSharedLocked();
auto query {createQuery(session, params)};
return Utils::execQuery(query, params.range);
}
std::size_t
Release::getDiscCount() const
{
assert(session());
int res {session()->query<int>("SELECT COUNT(DISTINCT disc_number) FROM track t")
.join("release r ON r.id = t.release_id")
.where("r.id = ?")
.bind(getId())};
return res;
}
std::optional<int>
Release::getReleaseYear(bool original) const
{
assert(session());
const char* field {original ? "original_date" : "date"};
auto dates {session()->query<Wt::WDate>(
std::string {"SELECT "} + "t." + field + " FROM track t INNER JOIN release r ON r.id = t.release_id")
.where("r.id = ?")
.groupBy(field)
.bind(getId())
.resultList()};
// various dates => no date
if (dates.empty() || dates.size() > 1)
return std::nullopt;
auto date {dates.front().year()};
if (date > 0)
return date;
return std::nullopt;
}
std::optional<std::string>
Release::getCopyright() const
{
assert(session());
Wt::Dbo::collection<std::string> copyrights = session()->query<std::string>
("SELECT copyright FROM track t INNER JOIN release r ON r.id = t.release_id")
.where("r.id = ?")
.groupBy("copyright")
.bind(getId());
std::vector<std::string> values(copyrights.begin(), copyrights.end());
// various copyrights => no copyright
if (values.empty() || values.size() > 1 || values.front().empty())
return std::nullopt;
return values.front();
}
std::optional<std::string>
Release::getCopyrightURL() const
{
assert(session());
Wt::Dbo::collection<std::string> copyrights = session()->query<std::string>
("SELECT copyright_url FROM track t INNER JOIN release r ON r.id = t.release_id")
.where("r.id = ?")
.groupBy("copyright_url")
.bind(getId());
std::vector<std::string> values(copyrights.begin(), copyrights.end());
// various copyright URLs => no copyright URL
if (values.empty() || values.size() > 1 || values.front().empty())
return std::nullopt;
return values.front();
}
std::vector<Artist::pointer>
Release::getArtists(TrackArtistLinkType linkType) const
{
assert(session());
auto res {session()->query<Wt::Dbo::ptr<Artist>>(
"SELECT DISTINCT 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 release r ON r.id = t.release_id")
.where("r.id = ?").bind(getId())
.where("t_a_l.type = ?").bind(linkType)
.resultList()};
return std::vector<Artist::pointer>(res.begin(), res.end());
}
std::vector<Release::pointer>
Release::getSimilarReleases(std::optional<std::size_t> offset, std::optional<std::size_t> count) const
{
assert(session());
auto res {session()->query<Wt::Dbo::ptr<Release>>(
"SELECT r FROM release r"
" INNER JOIN track t ON t.release_id = r.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 release r ON r.id = t.release_id WHERE r.id = ?)"
" AND r.id <> ?"
)
.bind(getId())
.bind(getId())
.groupBy("r.id")
.orderBy("COUNT(*) DESC, RANDOM()")
.limit(count ? static_cast<int>(*count) : -1)
.offset(offset ? static_cast<int>(*offset) : -1)
.resultList()};
return std::vector<pointer>(res.begin(), res.end());
}
bool
Release::hasVariousArtists() const
{
// TODO optimize
return getArtists().size() > 1;
}
std::size_t
Release::getTracksCount() const
{
return _tracks.size();
}
std::chrono::milliseconds
Release::getDuration() const
{
assert(session());
using milli = std::chrono::duration<int, std::milli>;
Wt::Dbo::Query<milli> query {session()->query<milli>("SELECT COALESCE(SUM(duration), 0) FROM track t INNER JOIN release r ON t.release_id = r.id")
.where("r.id = ?").bind(getId())};
return query.resultValue();
}
Wt::WDateTime
Release::getLastWritten() const
{
assert(session());
Wt::Dbo::Query<Wt::WDateTime> query {session()->query<Wt::WDateTime>("SELECT COALESCE(MAX(file_last_write), '1970-01-01T00:00:00') FROM track t INNER JOIN release r ON t.release_id = r.id")
.where("r.id = ?").bind(getId())};
return query.resultValue();
}
std::vector<std::vector<Cluster::pointer>>
Release::getClusterGroups(const 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 release r ON t.release_id = r.id ";
where.And(WhereClause("r.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(c.id) DESC";
auto query {session()->query<Wt::Dbo::ptr<Cluster>>(oss.str())};
for (const std::string& bindArg : where.getBindArgs())
query.bind(bindArg);
auto queryRes {query.resultList()};
std::map<ClusterTypeId, std::vector<Cluster::pointer>> clustersByType;
for (const Wt::Dbo::ptr<Cluster>& 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;
}
} // namespace Database