111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
/*
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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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#ifndef DATABASE_PLAYLIST_HPP
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#define DATABASE_PLAYLIST_HPP
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#include <Wt/Dbo/Dbo>
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#include <string>
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namespace Database {
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class PlaylistEntry;
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class User;
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class Track;
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class Playlist : public Wt::Dbo::Dbo<Playlist>
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{
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public:
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using pointer = Wt::Dbo::ptr<Playlist>;
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Playlist();
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Playlist(std::string name, bool isPublic, Wt::Dbo::ptr<User> user);
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// Search utility
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static pointer get(Wt::Dbo::Session& session, std::string name, Wt::Dbo::ptr<User> user);
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static std::vector<pointer> getAll(Wt::Dbo::Session& session, Wt::Dbo::ptr<User> user);
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// Create utility
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static pointer create(Wt::Dbo::Session& session, std::string name, bool isPublic, Wt::Dbo::ptr<User> user);
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// Accessors
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std::string getName() const { return _name; }
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bool isPublic() const { return _isPublic; }
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// Modifiers
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void clear() { _entries.clear(); }
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// Get tracks, ordered by position
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std::size_t getCount() const;
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std::vector<Wt::Dbo::ptr<PlaylistEntry>> getEntries(int offset, int size, bool& moreResults) const;
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template<class Action>
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void persist(Action& a)
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{
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Wt::Dbo::field(a, _name, "name");
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Wt::Dbo::field(a, _isPublic, "public");
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Wt::Dbo::belongsTo(a, _user, "user", Wt::Dbo::OnDeleteCascade);
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Wt::Dbo::hasMany(a, _entries, Wt::Dbo::ManyToOne, "playlist");
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}
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private:
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std::string _name;
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bool _isPublic;
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Wt::Dbo::ptr<User> _user;
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Wt::Dbo::collection< Wt::Dbo::ptr<PlaylistEntry> > _entries;
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};
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class PlaylistEntry
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{
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public:
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using pointer = Wt::Dbo::ptr<PlaylistEntry>;
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using id_type = Wt::Dbo::dbo_traits<PlaylistEntry>::IdType;
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PlaylistEntry();
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PlaylistEntry(Wt::Dbo::ptr<Track> track, Wt::Dbo::ptr<Playlist> playlist);
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static pointer getById(Wt::Dbo::Session& session, id_type id);
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// Create utility
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static pointer create(Wt::Dbo::Session& session, Wt::Dbo::ptr<Track> track, Wt::Dbo::ptr<Playlist> playlist);
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// Accessors
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Wt::Dbo::ptr<Track> getTrack() const { return _track; }
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template<class Action>
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void persist(Action& a)
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{
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Wt::Dbo::belongsTo(a, _track, "track", Wt::Dbo::OnDeleteCascade);
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Wt::Dbo::belongsTo(a, _playlist, "playlist", Wt::Dbo::OnDeleteCascade);
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}
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private:
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Wt::Dbo::ptr<Track> _track;
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Wt::Dbo::ptr<Playlist> _playlist;
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};
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} // namespace Database
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#endif
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