WIP, Remote Client/Server, fist working track list

database/Track.cpp

@@ -1,5 +1,7 @@
 #include <boost/foreach.hpp>
 
+#include "SqlQuery.hpp"
+
 #include "AudioTypes.hpp"
 
 
@@ -53,3 +55,75 @@ Track::getGenres(void) const
 	std::copy(_genres.begin(), _genres.end(), std::back_inserter(genres));
 	return genres;
 }
+
+Wt::Dbo::collection< Track::pointer >
+Track::getAll(Wt::Dbo::Session& session,
+			const std::vector<Artist::id_type>& artistIds,
+			const std::vector<Release::id_type>& releaseIds,
+			const std::vector<Genre::id_type>& genreIds,
+			int offset, int size)
+{
+	std::string sqlQuery = "SELECT t FROM track t";
+
+	if (!artistIds.empty())
+		sqlQuery += " INNER JOIN artist a ON a.id = t.artist_id";
+
+	if (!releaseIds.empty())
+		sqlQuery += " INNER JOIN release r ON r.id = t.release_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_d.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 releaseWhere;
+
+		for (std::size_t i = 0; i < releaseIds.size(); ++i)
+			releaseWhere.Or( WhereClause("r.id = ?") );
+
+		where.And(releaseWhere);
+	}
+
+	{
+		WhereClause genreWhere;
+
+		for (std::size_t i = 0; i < genreIds.size(); ++i)
+			genreWhere.Or( WhereClause("g.id = ?") );
+
+		where.And(genreWhere);
+	}
+
+
+	Wt::Dbo::Query<Track::pointer> query = session.query<Track::pointer>( sqlQuery + " " + where.get() ).offset(offset).limit(size);
+
+	BOOST_FOREACH(const Artist::id_type artistId, artistIds)
+		query.bind(artistId);
+
+	BOOST_FOREACH(const Release::id_type releaseId, releaseIds)
+		query.bind(releaseId);
+
+	BOOST_FOREACH(const Genre::id_type genreId, genreIds)
+		query.bind(genreId);
+
+	query.groupBy("t");
+
+	return query;
+}
+
+
+
+
+