Simplified db schema

2014-11-24 19:42:33 +01:00
parent f7edebaf8e
commit b9657a5680
24 changed files with 485 additions and 691 deletions
@@ -1,136 +0,0 @@
-/*
- * 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/>.
- */
-
-#include <boost/foreach.hpp>
-
-#include "SqlQuery.hpp"
-
-#include "AudioTypes.hpp"
-
-namespace Database {
-
-Release::Release(const std::string& name)
-: _name(std::string(name, 0, _maxNameLength))
-{
-}
-
-Release::pointer
-Release::getByName(Wt::Dbo::Session& session, const std::string& name)
-{
-	return session.find<Release>().where("name = ?").bind( std::string(name, 0, _maxNameLength) );
-}
-
-Release::pointer
-Release::getById(Wt::Dbo::Session& session, id_type id)
-{
-	return session.find<Release>().where("id = ?").bind(id);
-}
-
-Release::pointer
-Release::getNone(Wt::Dbo::Session& session)
-{
-	pointer res = getByName(session, "<None>");
-	if (!res)
-		res = create(session, "<None>");
-
-	return res;
-}
-
-Release::pointer
-Release::create(Wt::Dbo::Session& session, const std::string& name)
-{
-	return session.add(new Release(name));
-}
-
-Wt::Dbo::collection<Release::pointer>
-Release::getAll(Wt::Dbo::Session& session,
-			const std::vector<Artist::id_type>& artistIds,
-			const std::vector<Genre::id_type>& genreIds,
-			int offset, int size)
-{
-	std::string sqlQuery = "SELECT r FROM release r";
-
-	if (!artistIds.empty() || !genreIds.empty())
-		sqlQuery += " INNER JOIN track t ON t.release_id = r.id";
-
-	if (!artistIds.empty())
-	{
-		sqlQuery += " INNER JOIN artist a ON a.id = t.artist_id";
-	}
-
-	if (!genreIds.empty())
-	{
-		sqlQuery += " INNER JOIN genre g ON g.id = t_g.genre_id";
-		sqlQuery += " INNER JOIN track_genre t_g ON t_g.track_id = t.id AND t_g.genre_id = g.id";
-	}
-
-	WhereClause where;
-	{
-		WhereClause artistWhere;
-
-		for (std::size_t i = 0; i < artistIds.size(); ++i)
-			artistWhere.Or( WhereClause("a.id = ?") );
-
-		where.And(artistWhere);
-	}
-
-	{
-		WhereClause genreWhere;
-
-		for (std::size_t i = 0; i < genreIds.size(); ++i)
-			genreWhere.Or( WhereClause("g.id = ?") );
-
-		where.And(genreWhere);
-	}
-
-	Wt::Dbo::Query<Release::pointer> query = session.query<Release::pointer>( sqlQuery + " " + where.get() ).offset(offset).limit(size);
-
-	BOOST_FOREACH(const Artist::id_type artistId, artistIds)
-		query.bind(artistId);
-
-	BOOST_FOREACH(const Genre::id_type genreId, genreIds)
-		query.bind(genreId);
-
-	query.groupBy("r");
-
-	return query;
-}
-
-boost::posix_time::time_duration
-Release::getDuration(void) const
-{
-	typedef Wt::Dbo::collection< Wt::Dbo::ptr<Track> > Tracks;
-
-	boost::posix_time::time_duration res;
-
-	for (Tracks::const_iterator it = _tracks.begin(); it != _tracks.end(); ++it)
-		res += (*it)->getDuration();
-
-	return res;
-}
-
-Wt::Dbo::collection<Release::pointer>
-Release::getAllOrphans(Wt::Dbo::Session& session)
-{
-	return session.query< Wt::Dbo::ptr<Release> >("select r from release r LEFT OUTER JOIN Track t ON r.id = t.release_id WHERE t.id IS NULL");
-}
-
-
-
-} // namespace Database