Squashed commit of the following:

commit 997c1138f549766d797f1ba6da26e1e8394387e2
Author: emeric <itmfr@yahoo.fr>
Date:   Sat Jan 10 17:50:20 2015 +0100

    Implemented save, load and delete playlists

commit bee08a16b544bb21785c45f083ab7c10e65bfa6e
Author: emeric <itmfr@yahoo.fr>
Date:   Thu Jan 8 23:46:43 2015 +0100

    Reworked the database code layout in order to add playlists

src/database/Video.hpp

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2013 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 _VIDEO_TYPES_HPP
+#define _VIDEO_TYPES_HPP
+
+#include <string>
+
+#include <boost/filesystem.hpp>
+
+#include <Wt/Dbo/Dbo>
+#include <Wt/Dbo/WtSqlTraits>
+
+#include <Wt/WDateTime>
+
+namespace Database {
+
+class Video
+{
+	public:
+
+		typedef Wt::Dbo::ptr<Video> pointer;
+
+		Video();
+		Video( const boost::filesystem::path& p);
+
+		// Find utilities
+		static pointer getByPath(Wt::Dbo::Session& session, const boost::filesystem::path& p);
+		static Wt::Dbo::collection< pointer > getAll(Wt::Dbo::Session& session);
+		static Wt::Dbo::collection< pointer > getByParentPath(Wt::Dbo::Session& session, const boost::filesystem::path& p);
+
+		// Create utility
+		static pointer	create(Wt::Dbo::Session& session, const boost::filesystem::path& p);
+
+		// Modifiers
+		void setName(const std::string& name)				{ _name = name; }
+		void setDuration(boost::posix_time::time_duration duration)	{ _duration = duration; }
+		void setLastWriteTime(boost::posix_time::ptime time)		{ _fileLastWrite = time; }
+
+		// Accessors
+		std::string 				getName(void) const	{ return _name; }
+		boost::posix_time::time_duration	getDuration(void) const	{ return _duration; }
+		boost::filesystem::path			getPath(void) const	{ return _filePath; }
+		boost::posix_time::ptime		getLastWriteTime(void) const { return _fileLastWrite; }
+
+		template<class Action>
+			void persist(Action& a)
+			{
+				Wt::Dbo::field(a, _name,		"name");
+				Wt::Dbo::field(a, _duration,		"duration");
+				Wt::Dbo::field(a, _fileLastWrite,	"last_write");
+				Wt::Dbo::field(a, _filePath,		"path");
+			}
+
+	private:
+
+		std::string				_name;
+		boost::posix_time::time_duration	_duration;
+		std::string				_filePath;
+		boost::posix_time::ptime		_fileLastWrite;
+
+}; // Video
+
+
+} // namespace Database
+
+#endif
+