[database] fix check build + cleanup

src/database/Artist.cpp

@@ -85,7 +85,7 @@ Artist::getByFilter(Wt::Dbo::Session& session, SearchFilter filter, int offset,
 }
 
 std::vector<Wt::Dbo::ptr<Release> >
-Artist::getReleases()
+Artist::getReleases() const
 {
 	assert(self());
 	assert(self()->id() != Wt::Dbo::dbo_traits<Artist>::invalidId() );

src/database/Artist.hpp

@@ -60,7 +60,7 @@ class Artist : public Wt::Dbo::Dbo<Artist>
 		std::string getMBID(void) const { return _MBID; }
 
 		// Get the releases that have at least one track for this artist
-		std::vector<Wt::Dbo::ptr<Release> >	getReleases();
+		std::vector<Wt::Dbo::ptr<Release> >	getReleases() const;
 
 		void setMBID(std::string mbid) { _MBID = mbid; }
 

src/database/Release.cpp

@@ -130,7 +130,7 @@ Release::getByFilter(Wt::Dbo::Session& session, SearchFilter filter, int offset,
 }
 
 std::vector< Wt::Dbo::ptr<Artist> >
-Release::getArtists()
+Release::getArtists() const
 {
 	assert(self());
 	assert(self()->id() != Wt::Dbo::dbo_traits<Release>::invalidId() );

src/database/Release.hpp

@@ -65,8 +65,8 @@ class Release : public Wt::Dbo::Dbo<Release>
 		std::string	getMBID() const		{ return _MBID; }
 		bool		isNone(void) const;
 		boost::posix_time::time_duration getDuration(void) const;
-		std::vector<Wt::Dbo::ptr<Artist> >	getArtists();	// Get the artists of this release
-		std::vector<Wt::Dbo::ptr<Track> >	getTracks();	// Get the tracks of this release
+		std::vector<Wt::Dbo::ptr<Artist> >	getArtists() const;	// Get the artists of this release
+		std::vector<Wt::Dbo::ptr<Track> >	getTracks() const;	// Get the tracks of this release
 
 		void setMBID(std::string mbid) { _MBID = mbid; }