49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/*
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* Copyright (C) 2022 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 "IConstraint.hpp"
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#include "database/objects/ReleaseId.hpp"
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namespace lms::db
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{
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class IDb;
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}
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namespace lms::recommendation::PlaylistGeneratorConstraint
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{
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class ConsecutiveReleases : public IConstraint
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{
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public:
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ConsecutiveReleases(db::IDb& db);
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~ConsecutiveReleases() override = default;
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ConsecutiveReleases(const ConsecutiveReleases&) = delete;
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ConsecutiveReleases& operator=(const ConsecutiveReleases&) = delete;
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private:
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float computeScore(const std::vector<db::TrackId>& trackIds, std::size_t trackIndex) override;
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db::ReleaseId getReleaseId(db::TrackId trackId);
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db::IDb& _db;
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};
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} // namespace lms::recommendation::PlaylistGeneratorConstraint
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