Removed the database lib from services as it is still not a service
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emeric
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/*
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* Copyright (C) 2014 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/TrackList.hpp"
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#include <cassert>
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#include "utils/ILogger.hpp"
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#include "database/Artist.hpp"
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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/User.hpp"
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#include "database/Track.hpp"
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#include "SqlQuery.hpp"
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#include "StringViewTraits.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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TrackList::TrackList(std::string_view name, TrackListType type, bool isPublic, ObjectPtr<User> user)
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: _name{ name }
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, _type{ type }
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, _isPublic{ isPublic }
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, _creationDateTime{ Utils::normalizeDateTime(Wt::WDateTime::currentDateTime()) }
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, _lastModifiedDateTime{ Utils::normalizeDateTime(Wt::WDateTime::currentDateTime()) }
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, _user{ getDboPtr(user) }
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{
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assert(user);
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}
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TrackList::pointer TrackList::create(Session& session, std::string_view name, TrackListType type, bool isPublic, ObjectPtr<User> user)
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{
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return session.getDboSession().add(std::unique_ptr<TrackList> {new TrackList{ name, type, isPublic, user }});
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}
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std::size_t TrackList::getCount(Session& session)
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{
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session.checkReadTransaction();
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return session.getDboSession().query<int>("SELECT COUNT(*) FROM tracklist");
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}
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TrackList::pointer TrackList::find(Session& session, std::string_view name, TrackListType type, UserId userId)
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{
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session.checkReadTransaction();
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assert(userId.isValid());
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return session.getDboSession().find<TrackList>()
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.where("name = ?").bind(name)
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.where("type = ?").bind(type)
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.where("user_id = ?").bind(userId).resultValue();
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}
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RangeResults<TrackListId> TrackList::find(Session& session, const FindParameters& params)
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{
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session.checkReadTransaction();
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auto query{ session.getDboSession().query<TrackListId>("SELECT DISTINCT t_l.id FROM tracklist t_l") };
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if (params.user.isValid())
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query.where("t_l.user_id = ?").bind(params.user);
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if (params.type)
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query.where("t_l.type = ?").bind(*params.type);
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if (!params.clusters.empty())
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{
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query.join("tracklist_entry t_l_e ON t_l_e.tracklist_id = t_l.id");
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query.join("track t ON t.id = t_l_e.track_id");
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std::ostringstream oss;
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oss << "t.id IN (SELECT DISTINCT t.id FROM track t"
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" INNER JOIN track_cluster t_c ON t_c.track_id = t.id"
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" INNER JOIN cluster c ON c.id = t_c.cluster_id";
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WhereClause clusterClause;
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for (const ClusterId clusterId : params.clusters)
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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 HAVING COUNT(*) = " << params.clusters.size() << ")";
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query.where(oss.str());
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}
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switch (params.sortMethod)
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{
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case TrackListSortMethod::None:
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break;
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case TrackListSortMethod::Name:
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query.orderBy("t_l.name COLLATE NOCASE");
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break;
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case TrackListSortMethod::LastModifiedDesc:
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query.orderBy("t_l.last_modified_date_time DESC");
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break;
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}
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return Utils::execQuery<TrackListId>(query, params.range);
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}
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TrackList::pointer TrackList::find(Session& session, TrackListId id)
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{
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session.checkReadTransaction();
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return session.getDboSession().find<TrackList>().where("id = ?").bind(id).resultValue();
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}
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bool TrackList::isEmpty() const
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{
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return _entries.empty();
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}
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std::size_t TrackList::getCount() const
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{
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return _entries.size();
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}
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TrackListEntry::pointer TrackList::getEntry(std::size_t pos) const
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{
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TrackListEntry::pointer res;
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auto entries = getEntries(Range{ pos, 1 });
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if (!entries.empty())
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res = entries.front();
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return res;
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}
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std::vector<TrackListEntry::pointer> TrackList::getEntries(std::optional<Range> range) const
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{
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assert(session());
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auto entries{
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session()->find<TrackListEntry>()
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.where("tracklist_id = ?").bind(getId())
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.orderBy("id")
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.limit(range ? static_cast<int>(range->size) + 1 : -1)
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.offset(range ? static_cast<int>(range->offset) : -1)
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.resultList() };
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return std::vector<TrackListEntry::pointer>(entries.begin(), entries.end());
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}
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TrackListEntry::pointer TrackList::getEntryByTrackAndDateTime(ObjectPtr<Track> track, const Wt::WDateTime& dateTime) const
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{
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assert(session());
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return session()->find<TrackListEntry>()
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.where("tracklist_id = ?").bind(getId())
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.where("track_id = ?").bind(track->getId())
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.where("date_time = ?").bind(Utils::normalizeDateTime(dateTime))
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.resultValue();
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}
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std::vector<Cluster::pointer> TrackList::getClusters() const
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{
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assert(session());
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auto res{ session()->query<Wt::Dbo::ptr<Cluster>>("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 tracklist_entry p_e ON p_e.track_id = t.id INNER JOIN tracklist p ON p.id = p_e.tracklist_id")
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.where("p.id = ?").bind(getId())
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.groupBy("c.id")
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.orderBy("COUNT(c.id) DESC")
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.resultList() };
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return std::vector<Cluster::pointer>(res.begin(), res.end());
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}
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std::vector<std::vector<Cluster::pointer>> TrackList::getClusterGroups(const std::vector<ClusterTypeId>& clusterTypeIds, std::size_t size) const
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{
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assert(session());
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std::vector<std::vector<Cluster::pointer>> res;
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if (clusterTypeIds.empty())
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return res;
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auto query{ session()->query<Wt::Dbo::ptr<Cluster>>("SELECT c from cluster c") };
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query.join("track t ON c.id = t_c.cluster_id")
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.join("track_cluster t_c ON t_c.track_id = t.id")
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.join("cluster_type c_type ON c.cluster_type_id = c_type.id")
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.join("tracklist_entry t_l_e ON t_l_e.track_id = t.id")
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.join("tracklist t_l ON t_l.id = t_l_e.tracklist_id")
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.where("t_l.id = ?").bind(getId());
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{
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std::ostringstream oss;
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oss << "c_type.id IN (";
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bool first{ true };
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for (ClusterTypeId clusterTypeId : clusterTypeIds)
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{
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if (!first)
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oss << ", ";
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oss << "?";
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query.bind(clusterTypeId);
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first = false;
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}
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oss << ")";
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query.where(oss.str());
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}
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query.groupBy("c.id");
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query.orderBy("COUNT(c.id) DESC");
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auto queryRes{ query.resultList() };
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std::map<ClusterTypeId, std::vector<Cluster::pointer>> clustersByType;
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for (const Wt::Dbo::ptr<Cluster>& cluster : queryRes)
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{
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if (clustersByType[cluster->getType()->getId()].size() < size)
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clustersByType[cluster->getType()->getId()].push_back(cluster);
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}
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for (const auto& [clusterTypeId, clusters] : clustersByType)
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res.push_back(clusters);
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return res;
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}
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bool TrackList::hasTrack(TrackId trackId) const
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{
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assert(session());
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Wt::Dbo::collection<TrackListEntry::pointer> res = session()->query<TrackListEntry::pointer>("SELECT p_e from tracklist_entry p_e INNER JOIN tracklist p ON p_e.tracklist_id = p.id")
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.where("p_e.track_id = ?").bind(trackId)
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.where("p.id = ?").bind(getId());
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return res.size() > 0;
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}
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std::vector<Track::pointer> TrackList::getSimilarTracks(std::optional<std::size_t> offset, std::optional<std::size_t> size) const
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{
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assert(session());
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auto res{ session()->query<Wt::Dbo::ptr<Track>>(
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"SELECT t FROM track t"
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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 DISTINCT 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 tracklist_entry p_e ON p_e.track_id = t.id INNER JOIN tracklist p ON p.id = p_e.tracklist_id WHERE p.id = ?)"
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" AND t.id NOT IN (SELECT tracklist_t.id FROM track tracklist_t INNER JOIN tracklist_entry t_e ON t_e.track_id = tracklist_t.id WHERE t_e.tracklist_id = ?))"
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)
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.bind(getId())
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.bind(getId())
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.groupBy("t.id")
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.orderBy("COUNT(*) DESC, RANDOM()")
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.limit(size ? static_cast<int>(*size) : -1)
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.offset(offset ? static_cast<int>(*offset) : -1)
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.resultList() };
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return std::vector<Track::pointer>(res.begin(), res.end());
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}
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std::vector<TrackId> TrackList::getTrackIds() const
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{
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assert(session());
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Wt::Dbo::collection<TrackId> res = session()->query<TrackId>("SELECT p_e.track_id from tracklist_entry p_e INNER JOIN tracklist p ON p_e.tracklist_id = p.id")
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.where("p.id = ?").bind(getId());
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return std::vector<TrackId>(res.begin(), res.end());
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}
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std::chrono::milliseconds TrackList::getDuration() const
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{
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assert(session());
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using milli = std::chrono::duration<int, std::milli>;
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Wt::Dbo::Query<milli> query{ session()->query<milli>("SELECT COALESCE(SUM(duration), 0) FROM track t INNER JOIN tracklist_entry p_e ON t.id = p_e.track_id")
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.where("p_e.tracklist_id = ?").bind(getId()) };
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return query.resultValue();
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}
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void TrackList::setLastModifiedDateTime(const Wt::WDateTime& dateTime)
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{
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_lastModifiedDateTime = Utils::normalizeDateTime(dateTime);
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}
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TrackListEntry::TrackListEntry(ObjectPtr<Track> track, ObjectPtr<TrackList> tracklist, const Wt::WDateTime& dateTime)
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: _dateTime{ Utils::normalizeDateTime(dateTime) }
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, _track{ getDboPtr(track) }
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, _tracklist{ getDboPtr(tracklist) }
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{
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assert(track);
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assert(tracklist);
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}
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TrackListEntry::pointer TrackListEntry::create(Session& session, ObjectPtr<Track> track, ObjectPtr<TrackList> tracklist, const Wt::WDateTime& dateTime)
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{
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return session.getDboSession().add(std::unique_ptr<TrackListEntry> {new TrackListEntry{ track, tracklist, dateTime }});
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}
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void TrackListEntry::onPostCreated()
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{
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_tracklist.modify()->setLastModifiedDateTime(Utils::normalizeDateTime(Wt::WDateTime::currentDateTime()));
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}
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void TrackListEntry::onPreRemove()
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{
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_tracklist.modify()->setLastModifiedDateTime(Utils::normalizeDateTime(Wt::WDateTime::currentDateTime()));
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}
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TrackListEntry::pointer TrackListEntry::getById(Session& session, TrackListEntryId id)
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{
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session.checkReadTransaction();
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return session.getDboSession().find<TrackListEntry>().where("id = ?").bind(id).resultValue();
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}
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} // namespace Database
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