Reorganized sources, better accuracy for similarities based on features

src/database/TrackFeatures.hpp

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2018 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/>.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <Wt/Dbo/Dbo.h>
+
+#include "Types.hpp"
+
+namespace Database {
+
+class Track;
+
+class TrackFeatures : public Wt::Dbo::Dbo<TrackFeatures>
+{
+	public:
+
+		using pointer = Wt::Dbo::ptr<TrackFeatures>;
+
+		TrackFeatures() = default;
+		TrackFeatures(Wt::Dbo::ptr<Track> track, const std::string& jsonEncodedFeatures);
+
+		// Create utility
+		static pointer create(Wt::Dbo::Session& session, Wt::Dbo::ptr<Track> track, const std::string& jsonEncodedFeatures);
+
+		std::vector<double> getFeatures(const std::string& featureNode) const;
+		bool getFeatures(std::map<std::string /*featureNode*/, std::vector<double> /*values*/>& featureNodes) const;
+
+		template<class Action>
+		void persist(Action& a)
+		{
+			Wt::Dbo::field(a, _data,	"data");
+			Wt::Dbo::belongsTo(a, _track, "track", Wt::Dbo::OnDeleteCascade);
+		}
+
+	private:
+
+		std::string _data;
+		Wt::Dbo::ptr<Track> _track;
+};
+
+
+} // namespace database
+
+