Bring more diversity in the radio mode. fixes #54

src/libs/services/database/impl/Track.cpp

@@ -520,5 +520,33 @@ Track::getClusterGroups(const std::vector<ClusterType::pointer>& clusterTypes, s
 	return res;
 }
 
+namespace Debug
+{
+	std::ostream&
+	operator<<(std::ostream& os, const TrackInfo& trackInfo)
+	{
+		auto transaction {trackInfo.session.createSharedTransaction()};
+
+		const Track::pointer track {Track::find(trackInfo.session, trackInfo.trackId)};
+		if (track)
+		{
+			os << track->getName();
+
+			if (const Release::pointer release {track->getRelease()})
+				os << " [" << release->getName() << "]";
+			for (auto artist : track->getArtists({TrackArtistLinkType::Artist}))
+				os << " - " << artist->getName();
+			for (auto cluster : track->getClusters())
+				os << " {" + cluster->getType()->getName() << "-" << cluster->getName() << "}";
+		}
+		else
+		{
+			os << "*unknown*";
+		}
+
+		return os;
+	}
+}
+
 } // namespace Database
 

src/libs/services/database/include/services/database/Track.hpp

@@ -21,10 +21,12 @@
 
 #include <chrono>
 #include <filesystem>
+#include <iostream>
 #include <optional>
 #include <string>
 #include <string_view>
 #include <unordered_set>
+#include <utility>
 #include <vector>
 
 #include <Wt/WDateTime.h>
@@ -163,8 +165,8 @@ class Track : public Object<Track, TrackId>
 		std::optional<float>		getReleaseReplayGain() const	{ return _releaseReplayGain; }
 
 		// no artistLinkTypes means get all
-		std::vector<ObjectPtr<Artist>>	getArtists(EnumSet<TrackArtistLinkType> artistLinkTypes) const;
-		std::vector<ArtistId>				getArtistIds(EnumSet<TrackArtistLinkType> artistLinkTypes) const;
+		std::vector<ObjectPtr<Artist>>	getArtists(EnumSet<TrackArtistLinkType> artistLinkTypes) const; // no type means all
+		std::vector<ArtistId>				getArtistIds(EnumSet<TrackArtistLinkType> artistLinkTypes) const; // no type means all
 		std::vector<ObjectPtr<TrackArtistLink>>	getArtistLinks() const;
 		ObjectPtr<Release>				getRelease() const		{ return _release; }
 		std::vector<ObjectPtr<Cluster>>	getClusters() const;
@@ -237,6 +239,16 @@ class Track : public Object<Track, TrackId>
 		Wt::Dbo::collection<Wt::Dbo::ptr<Cluster>> 	_clusters;
 };
 
+namespace Debug
+{
+	struct TrackInfo
+	{
+		Session& session;
+		TrackId trackId;
+	};
+	std::ostream& operator<<(std::ostream& os, const TrackInfo& trackInfo);
+}
+
 } // namespace database