Files
lms/src/libs/database/impl/objects/MediaLibrary.cpp
T

106 lines
3.5 KiB
C++

/*
* Copyright (C) 2024 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 "database/objects/MediaLibrary.hpp"
#include <Wt/Dbo/Impl.h>
#include "core/String.hpp"
#include "database/Session.hpp"
#include "database/objects/Genre.hpp"
#include "database/objects/Grouping.hpp"
#include "database/objects/Language.hpp"
#include "database/objects/Mood.hpp"
#include "database/objects/Track.hpp"
#include "Utils.hpp"
#include "traits/IdTypeTraits.hpp"
#include "traits/PathTraits.hpp"
#include "traits/StringViewTraits.hpp"
DBO_INSTANTIATE_TEMPLATES(lms::db::MediaLibrary)
namespace lms::db
{
MediaLibrary::MediaLibrary(std::string_view name, const std::filesystem::path& p)
: _name{ core::stringUtils::utf8Truncate(name, maxNameLength) }
{
setPath(p);
}
MediaLibrary::pointer MediaLibrary::create(Session& session, std::string_view name, const std::filesystem::path& p)
{
return session.getDboSession()->add(std::unique_ptr<MediaLibrary>{ new MediaLibrary{ name, p } });
}
std::size_t MediaLibrary::getCount(Session& session)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->query<int>("SELECT COUNT(*) FROM media_library"));
}
MediaLibrary::pointer MediaLibrary::find(Session& session, MediaLibraryId id)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->find<MediaLibrary>().where("id = ?").bind(id));
}
MediaLibrary::pointer MediaLibrary::find(Session& session, std::string_view name)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->find<MediaLibrary>().where("name = ?").bind(name));
}
MediaLibrary::pointer MediaLibrary::find(Session& session, const std::filesystem::path& p)
{
session.checkReadTransaction();
return utils::fetchQuerySingleResult(session.getDboSession()->find<MediaLibrary>().where("path = ?").bind(p));
}
void MediaLibrary::find(Session& session, std::function<void(const MediaLibrary::pointer&)> func)
{
session.checkReadTransaction();
utils::forEachQueryResult(session.getDboSession()->find<MediaLibrary>(), [&](const MediaLibrary::pointer& mediaLibrary) {
func(mediaLibrary);
});
}
bool MediaLibrary::isEmpty() const
{
assert(session());
auto query{ session()->query<bool>("SELECT EXISTS (SELECT 1 FROM track WHERE media_library_id = ? LIMIT 1) AS is_media_library_empty").bind(getId()) };
return !utils::fetchQuerySingleResult(query);
}
void MediaLibrary::setPath(const std::filesystem::path& p)
{
assert(p.is_absolute());
if (!p.has_filename() && p.has_parent_path())
_path = p.parent_path();
else
_path = p;
}
} // namespace lms::db