Minor cleanup

src/libs/database/impl/Artist.cpp

@@ -453,7 +453,12 @@ Artist::getSimilarArtists(std::optional<std::size_t> offset, std::optional<std::
 			" INNER JOIN track t ON t.id = t_a_l.track_id"
 			" INNER JOIN track_cluster t_c ON t_c.track_id = t.id"
 				" WHERE "
-					" t_c.cluster_id IN (SELECT c.id from cluster c INNER JOIN track t ON c.id = t_c.cluster_id INNER JOIN track_cluster t_c ON t_c.track_id = t.id INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id WHERE a.id = ?)"
+					" t_c.cluster_id IN (SELECT c.id from cluster c"
+											" INNER JOIN track t ON c.id = t_c.cluster_id"
+											" INNER JOIN track_cluster t_c ON t_c.track_id = t.id"
+											" INNER JOIN artist a ON a.id = t_a_l.artist_id"
+											" INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id"
+											" WHERE a.id = ?)"
 					" AND a.id <> ?"
 				)
 		.bind(self()->id())

src/tools/recommendation/LmsRecommendation.cpp

@@ -37,7 +37,7 @@
 
 static
 void
-dumpRecommendation(Database::Session session, Recommendation::IEngine& engine)
+dumpTracksRecommendation(Database::Session session, Recommendation::IEngine& engine)
 {
 	const std::vector<Database::IdType> trackIds {[&]()
 		{
@@ -69,7 +69,12 @@ dumpRecommendation(Database::Session session, Recommendation::IEngine& engine)
 		for (Database::IdType similarTrackId : engine.getSimilarTracks(session, {trackId}, 3))
 			std::cout << "\t- Similar track '" << trackToString(similarTrackId) << std::endl;
 	}
+}
 
+static
+void
+dumpReleasesRecommendation(Database::Session session, Recommendation::IEngine& engine)
+{
 	const std::vector<Database::IdType> releaseIds = std::invoke([&]()
 			{
 			auto transaction {session.createSharedTransaction()};
@@ -91,7 +96,12 @@ dumpRecommendation(Database::Session session, Recommendation::IEngine& engine)
 		for (Database::IdType similarReleaseId : engine.getSimilarReleases(session, releaseId, 3))
 			std::cout << "\t- Similar release '" << releaseToString(similarReleaseId) << "'" << std::endl;
 	}
+}
 
+static
+void
+dumpArtistsRecommendation(Database::Session session, Recommendation::IEngine& engine)
+{
 	const std::vector<Database::IdType> artistIds = std::invoke([&]()
 			{
 			auto transaction {session.createSharedTransaction()};
@@ -113,10 +123,6 @@ dumpRecommendation(Database::Session session, Recommendation::IEngine& engine)
 		for (Database::IdType similarArtistId : engine.getSimilarArtists(session, artistId, 3))
 			std::cout << "\t- Similar artist '" << artistToString(similarArtistId) << "'" << std::endl;
 	}
-
-
-
-
 }
 
 
@@ -153,7 +159,9 @@ int main(int argc, char *argv[])
 		sem.wait();
 		std::cout << "Recommendation engine loaded!" << std::endl;
 
-		dumpRecommendation(db, *engine);
+		dumpTracksRecommendation(db, *engine);
+		dumpReleasesRecommendation(db, *engine);
+		dumpArtistsRecommendation(db, *engine);
 
 		engine->stop();
 	}