58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
/*
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* Copyright (C) 2020 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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#pragma once
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#include <Wt/Dbo/Dbo.h>
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namespace lms::db
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{
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class Session;
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using Version = std::size_t;
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class VersionInfo
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{
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public:
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using pointer = Wt::Dbo::ptr<VersionInfo>;
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VersionInfo();
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static VersionInfo::pointer getOrCreate(Session& session);
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static VersionInfo::pointer get(Session& session);
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Version getVersion() const { return _version; }
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void setVersion(Version version) { _version = static_cast<int>(version); }
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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, _version, "db_version");
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}
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private:
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int _version;
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};
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namespace Migration
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{
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void doDbMigration(Session& session);
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}
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}
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