Files
lms/src/database/Release.cpp
T

378 lines
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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 "Release.hpp"
#include "utils/Logger.hpp"
#include "Artist.hpp"
#include "Cluster.hpp"
#include "SqlQuery.hpp"
#include "Track.hpp"
namespace Database
{
Release::Release(const std::string& name, const std::string& MBID)
: _name(std::string(name, 0 , _maxNameLength)),
_MBID(MBID)
{
}
std::vector<Release::pointer>
Release::getByName(Wt::Dbo::Session& session, const std::string& name)
{
Wt::Dbo::collection<Release::pointer> res = session.find<Release>().where("name = ?").bind( std::string(name, 0, _maxNameLength) );
return std::vector<Release::pointer>(res.begin(), res.end());
}
Release::pointer
Release::getByMBID(Wt::Dbo::Session& session, const std::string& mbid)
{
return session.find<Release>().where("mbid = ?").bind(mbid);
}
Release::pointer
Release::getById(Wt::Dbo::Session& session, IdType id)
{
return session.find<Release>().where("id = ?").bind(id);
}
Release::pointer
Release::create(Wt::Dbo::Session& session, const std::string& name, const std::string& MBID)
{
return session.add(std::make_unique<Release>(name, MBID));
}
std::size_t
Release::getCount(Wt::Dbo::Session& session)
{
Wt::Dbo::collection<pointer> releases {session.find<Release>()};
return releases.size();
}
std::vector<Release::pointer>
Release::getAll(Wt::Dbo::Session& session, boost::optional<std::size_t> offset, boost::optional<std::size_t> size)
{
Wt::Dbo::collection<pointer> res = session.find<Release>()
.offset(offset ? static_cast<int>(*offset) : -1)
.limit(size ? static_cast<int>(*size) : - 1)
.orderBy("name COLLATE NOCASE");
return std::vector<pointer>(res.begin(), res.end());
}
std::vector<Release::pointer>
Release::getAllRandom(Wt::Dbo::Session& session, boost::optional<std::size_t> size)
{
Wt::Dbo::collection<pointer> res = session.find<Release>()
.limit(size ? static_cast<int>(*size) : - 1)
.orderBy("RANDOM()");
return std::vector<pointer>(res.begin(), res.end());
}
std::vector<Release::pointer>
Release::getAllOrphans(Wt::Dbo::Session& session)
{
Wt::Dbo::collection<Release::pointer> res = session.query<Wt::Dbo::ptr<Release>>("select r from release r LEFT OUTER JOIN Track t ON r.id = t.release_id WHERE t.id IS NULL");
return std::vector<pointer>(res.begin(), res.end());
}
std::vector<Release::pointer>
Release::getLastAdded(Wt::Dbo::Session& session, Wt::WDateTime after, boost::optional<std::size_t> offset, boost::optional<std::size_t> limit)
{
Wt::Dbo::collection<Release::pointer> res = session.query<Release::pointer>("SELECT r from release r INNER JOIN track t ON r.id = t.release_id")
.where("t.file_added > ?").bind(after)
.groupBy("r.id")
.orderBy("t.file_added DESC")
.offset(offset ? static_cast<int>(*offset) : -1)
.limit(limit ? static_cast<int>(*limit) : -1);
return std::vector<pointer>(res.begin(), res.end());
}
static
Wt::Dbo::Query<Release::pointer>
getQuery(Wt::Dbo::Session& session,
const std::set<IdType>& clusterIds,
const std::vector<std::string> keywords)
{
WhereClause where;
std::ostringstream oss;
oss << "SELECT DISTINCT r FROM release r";
for (auto keyword : keywords)
where.And(WhereClause("r.name LIKE ?")).bind("%%" + keyword + "%%");
if (!clusterIds.empty())
{
oss << " 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 (auto id : clusterIds)
clusterClause.Or(WhereClause("c.id = ?")).bind(std::to_string(id));
where.And(clusterClause);
}
oss << " " << where.get();
if (!clusterIds.empty())
oss << " GROUP BY t.id HAVING COUNT(*) = " << clusterIds.size();
oss << " ORDER BY r.name COLLATE NOCASE";
Wt::Dbo::Query<Release::pointer> query = session.query<Release::pointer>( oss.str() );
for (const std::string& bindArg : where.getBindArgs())
query.bind(bindArg);
return query;
}
std::vector<Release::pointer>
Release::getByFilter(Wt::Dbo::Session& session, const std::set<IdType>& clusterIds)
{
bool moreResults;
return getByFilter(session, clusterIds, {}, {}, {}, moreResults);
}
std::vector<Release::pointer>
Release::getByFilter(Wt::Dbo::Session& session,
const std::set<IdType>& clusterIds,
const std::vector<std::string> keywords,
boost::optional<std::size_t> offset,
boost::optional<std::size_t> size,
bool& moreResults)
{
Wt::Dbo::collection<pointer> collection = getQuery(session, clusterIds, keywords)
.limit(size ? static_cast<int>(*size) + 1 : -1)
.offset(offset ? static_cast<int>(*offset) : -1);
auto res {std::vector<pointer>(collection.begin(), collection.end())};
if (size && res.size() == static_cast<std::size_t>(*size) + 1)
{
moreResults = true;
res.pop_back();
}
else
moreResults = false;
return res;
}
boost::optional<int>
Release::getReleaseYear(bool original) const
{
assert(session());
const std::string field {original ? "original_year" : "year"};
Wt::Dbo::collection<int> dates = session()->query<int>(
std::string{"SELECT "} + "t." + field + " FROM track t INNER JOIN release r ON r.id = t.release_id")
.where("r.id = ?")
.groupBy(field)
.bind(this->id());
// various dates => no date
if (dates.empty() || dates.size() > 1)
return boost::none;
auto date {dates.front()};
if (date > 0)
return date;
else
return boost::none;
}
boost::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(this->id());
std::vector<std::string> values(copyrights.begin(), copyrights.end());
// various copyrights => no copyright
if (values.empty() || values.size() > 1 || values.front().empty())
return boost::none;
return values.front();
}
boost::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(this->id());
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 boost::none;
return values.front();
}
std::vector<Wt::Dbo::ptr<Artist>>
Release::getArtists() const
{
assert(self());
assert(IdIsValid(self()->id()));
assert(session());
Wt::Dbo::collection<Wt::Dbo::ptr<Artist>> res = session()->query<Wt::Dbo::ptr<Artist>>(
"SELECT DISTINCT a FROM artist a INNER JOIN release r ON t.id = t_a.track_id INNER JOIN track_artist t_a ON t_a.artist_id = a.id INNER JOIN track t ON t.release_id = r.id")
.where("r.id = ?")
.bind(id());
return std::vector<Wt::Dbo::ptr<Artist>>(res.begin(), res.end());
}
bool
Release::hasVariousArtists() const
{
// TODO optimize
return getArtists().size() > 1;
}
std::vector<Wt::Dbo::ptr<Track>>
Release::getTracks(const std::set<IdType>& clusterIds) const
{
assert(self());
assert(self()->id() != Wt::Dbo::dbo_traits<Release>::invalidId() );
assert(session());
WhereClause where;
std::ostringstream oss;
oss << "SELECT t FROM track t INNER JOIN release r ON t.release_id = r.id";
if (!clusterIds.empty())
{
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";
WhereClause clusterClause;
for (auto id : clusterIds)
clusterClause.Or(WhereClause("c.id = ?")).bind(std::to_string(id));
where.And(clusterClause);
}
where.And(WhereClause("r.id = ?")).bind(std::to_string(id()));
oss << " " << where.get();
if (!clusterIds.empty())
oss << " GROUP BY t.id HAVING COUNT(*) = " << clusterIds.size();
oss << " ORDER BY t.disc_number,t.track_number";
Wt::Dbo::Query<Track::pointer> query = session()->query<Track::pointer>( oss.str() );
for (const std::string& bindArg : where.getBindArgs())
{
query.bind(bindArg);
}
Wt::Dbo::collection< Wt::Dbo::ptr<Track> > res = query;
return std::vector< Wt::Dbo::ptr<Track> > (res.begin(), res.end());
}
std::chrono::milliseconds
Release::getDuration() const
{
assert(self());
assert(self()->id() != Wt::Dbo::dbo_traits<Artist>::invalidId() );
assert(session());
using milli = std::chrono::duration<int, std::milli>;
Wt::Dbo::Query<milli> query {session()->query<milli>("SELECT SUM(duration) FROM track t INNER JOIN release r ON t.release_id = r.id WHERE r.id = ?")
.bind(self()->id())};
return query.resultValue();
}
std::vector<std::vector<Wt::Dbo::ptr<Cluster>>>
Release::getClusterGroups(std::vector<ClusterType::pointer> clusterTypes, std::size_t size) const
{
assert(self());
assert(self()->id() != Wt::Dbo::dbo_traits<Artist>::invalidId() );
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(std::to_string(self()->id()));
{
WhereClause clusterClause;
for (auto clusterType : clusterTypes)
clusterClause.Or(WhereClause("c_type.id = ?")).bind(std::to_string(clusterType.id()));
where.And(clusterClause);
}
oss << " " << where.get();
oss << " GROUP BY c.id ORDER BY COUNT(c.id) DESC";
Wt::Dbo::Query<Cluster::pointer> query = session()->query<Cluster::pointer>( oss.str() );
for (const std::string& bindArg : where.getBindArgs())
query.bind(bindArg);
Wt::Dbo::collection<Cluster::pointer> queryRes = query;
std::map<IdType, std::vector<Cluster::pointer>> clusters;
for (auto cluster : queryRes)
{
if (clusters[cluster->getType().id()].size() < size)
clusters[cluster->getType().id()].push_back(cluster);
}
std::vector<std::vector<Cluster::pointer>> res;
for (auto cluster_list : clusters)
res.push_back(cluster_list.second);
return res;
}
} // namespace Database