[Database] restored id on Artist, Genre and Release tables. Added basic MusicBrainz ID support. Improved search filters a bit

src/database/Artist.hpp

@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2015 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/>.
+ */
+
+#ifndef _DB_ARTIST_HPP_
+#define _DB_ARTIST_HPP_
+
+#include <string>
+#include <vector>
+
+#include <Wt/Dbo/Dbo>
+#include <Wt/Dbo/QueryModel>
+
+#include "SearchFilter.hpp"
+
+namespace Database
+{
+
+class Track;
+class Genre;
+
+class Artist
+{
+	public:
+
+		typedef Wt::Dbo::ptr<Artist> pointer;
+		typedef Wt::Dbo::dbo_traits<Artist>::IdType id_type;
+
+		Artist() {}
+		Artist(const std::string& name, const std::string& MBID = "");
+
+		// Accessors
+		static pointer			getByMBID(Wt::Dbo::Session& session, const std::string& MBID);
+		static pointer			getById(Wt::Dbo::Session& session, id_type id);
+		static pointer			getNone(Wt::Dbo::Session& session); // Special entry
+		static std::vector<pointer>	getByName(Wt::Dbo::Session& session, const std::string& name);
+		static std::vector<pointer> 	getByFilter(Wt::Dbo::Session& session, SearchFilter filter, int offset = -1, int size = -1);
+
+		static std::vector<pointer>	getAll(Wt::Dbo::Session& session, int offset = -1, int size = -1);
+		static std::vector<pointer>	getAllOrphans(Wt::Dbo::Session& session);
+
+		// Accessors
+		std::string getName(void) const { return _name; }
+		std::string getMBID(void) const { return _MBID; }
+
+		void setMBID(std::string mbid) { _MBID = mbid; }
+
+		// Create
+		static pointer create(Wt::Dbo::Session& session, const std::string& name, const std::string& MBID = "");
+
+		// MVC models for the user interface
+		//  ID, Artist name, albums, tracks
+		typedef boost::tuple<id_type, std::string, int, int> UIQueryResult;
+		static Wt::Dbo::Query<UIQueryResult> getUIQuery(Wt::Dbo::Session& session, SearchFilter filter);
+		static void updateUIQueryModel(Wt::Dbo::Session& session, Wt::Dbo::QueryModel<UIQueryResult>& model, SearchFilter filter, const std::vector<Wt::WString>& columnNames = std::vector<Wt::WString>());
+
+		bool	isNone(void) const;
+
+		template<class Action>
+			void persist(Action& a)
+			{
+				Wt::Dbo::field(a, _name, "name");
+				Wt::Dbo::field(a, _MBID, "mbid");
+
+				Wt::Dbo::hasMany(a, _tracks, Wt::Dbo::ManyToOne, "artist");
+			}
+
+	private:
+
+		static Wt::Dbo::Query<pointer> getQuery(Wt::Dbo::Session& session, SearchFilter filter);
+
+		static const std::size_t _maxNameLength = 128;
+
+		std::string _name;
+		std::string _MBID;	// Musicbrainz Identifier
+
+		Wt::Dbo::collection< Wt::Dbo::ptr<Track> > _tracks; // Tracks of this artist
+};
+
+} // namespace Database
+
+#endif