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lms/src/database/Playlist.cpp
T

136 lines
3.1 KiB
C++

/*
* Copyright (C) 2014 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 "Playlist.hpp"
#include <cassert>
#include "User.hpp"
#include "Track.hpp"
namespace Database {
Playlist::Playlist()
: _isPublic(false)
{
}
Playlist::Playlist(std::string name, bool isPublic, Wt::Dbo::ptr<User> user)
: _name(name),
_isPublic(isPublic),
_user(user)
{
}
Playlist::pointer
Playlist::create(Wt::Dbo::Session& session, std::string name, bool isPublic, Wt::Dbo::ptr<User> user)
{
return session.add( std::make_unique<Playlist>(name, isPublic, user) );
}
PlaylistEntry::PlaylistEntry()
{
}
PlaylistEntry::pointer
PlaylistEntry::getById(Wt::Dbo::Session& session, PlaylistEntry::id_type id)
{
return session.find<PlaylistEntry>().where("id = ?").bind(id);
}
Playlist::pointer
Playlist::get(Wt::Dbo::Session& session, std::string name, Wt::Dbo::ptr<User> user)
{
return session.find<Playlist>().where("name = ? AND user_id = ?").bind(name).bind(user.id());
}
std::vector<Playlist::pointer>
Playlist::getAll(Wt::Dbo::Session& session, Wt::Dbo::ptr<User> user)
{
Wt::Dbo::collection<Playlist::pointer> res = session.find<Playlist>().where("user_id = ?").bind(user.id()).orderBy("name");
return std::vector<Playlist::pointer>(res.begin(), res.end());
}
PlaylistEntry::PlaylistEntry(Wt::Dbo::ptr<Track> track, Wt::Dbo::ptr<Playlist> playlist)
: _track(track),
_playlist(playlist)
{
}
PlaylistEntry::pointer
PlaylistEntry::create(Wt::Dbo::Session& session, Wt::Dbo::ptr<Track> track, Wt::Dbo::ptr<Playlist> playlist)
{
return session.add( std::make_unique<PlaylistEntry>( track, playlist) );
}
std::vector<Wt::Dbo::ptr<PlaylistEntry>>
Playlist::getEntries(int offset, int size, bool& moreResults) const
{
assert(session());
moreResults = false;
Wt::Dbo::collection<Wt::Dbo::ptr<PlaylistEntry>> entries =
session()->find<PlaylistEntry>()
.where("playlist_id = ?").bind(self().id())
.orderBy("id")
.limit(size != -1 ? size + 1 : -1)
.offset(offset);
std::vector<Wt::Dbo::ptr<PlaylistEntry>> res;
for (auto entry : entries)
{
if (size != -1 && res.size() == static_cast<std::size_t>(size))
{
moreResults = true;
break;
}
res.push_back(entry);
}
return res;
}
Wt::Dbo::ptr<PlaylistEntry>
Playlist::getEntry(std::size_t pos) const
{
Wt::Dbo::ptr<PlaylistEntry> res;
bool moreResults;
auto entries = getEntries(pos, 1, moreResults);
if (!entries.empty())
res = entries.front();
return res;
}
std::size_t
Playlist::getCount() const
{
return _entries.size();
}
} // namespace Database