Added release tag cloud

src/database/DbArtist.cpp

@@ -202,6 +202,4 @@ Artist::getClusters(int size) const
 	return std::vector<Cluster::pointer>(res.begin(), res.end());
 }
 
-
-
 } // namespace Database

src/database/Release.cpp

@@ -225,4 +225,23 @@ Release::getTracks(const std::set<id_type>& clusterIds) const
 	return std::vector< Wt::Dbo::ptr<Track> > (res.begin(), res.end());
 }
 
+std::vector<Wt::Dbo::ptr<Cluster>>
+Release::getClusters(int size) const
+{
+	assert(self());
+	assert(self()->id() != Wt::Dbo::dbo_traits<Artist>::invalidId() );
+	assert(session());
+
+	Wt::Dbo::Query<Cluster::pointer> query = session()->query<Cluster::pointer>
+		("select c 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 release r ON t.release_id = r.id")
+		.where("r.id = ?").bind(self()->id())
+		.groupBy("c.id")
+		.orderBy("COUNT(c.id) DESC")
+		.limit(size);
+
+	Wt::Dbo::collection<Cluster::pointer> res = query;
+
+	return std::vector<Cluster::pointer>(res.begin(), res.end());
+}
+
 } // namespace Database

src/database/Release.hpp

@@ -57,6 +57,7 @@ class Release : public Wt::Dbo::Dbo<Release>
 							bool& moreExpected);
 
 		std::vector<Wt::Dbo::ptr<Track>> getTracks(const std::set<id_type>& clusters = std::set<id_type>()) const;
+		std::vector<Wt::Dbo::ptr<Cluster>> getClusters(int size) const;
 
 		// Create
 		static pointer create(Wt::Dbo::Session& session, const std::string& name, const std::string& MBID = "");

src/ui/ArtistView.cpp

@@ -75,14 +75,14 @@ Artist::refresh()
 	t->addFunction("tr", &Wt::WTemplate::Functions::tr);
 
 	auto clusterContainers = new Wt::WContainerWidget();
-	t->bindWidget("tags", clusterContainers);
+	t->bindWidget("clusters", clusterContainers);
 
 	{
 		auto clusters = artist->getClusters(3);
 
 		for (auto cluster : clusters)
 		{
-			auto entry = new Wt::WTemplate(Wt::WString::tr("template-artist-tag-entry"), clusterContainers);
+			auto entry = new Wt::WTemplate(Wt::WString::tr("template-artist-cluster-entry"), clusterContainers);
 
 			entry->bindString("name", Wt::WString::fromUTF8(cluster->getName()), Wt::PlainText);
 		}

src/ui/ReleaseView.cpp

@@ -110,6 +110,20 @@ Release::refresh()
 	cover->setImageLink(Wt::WLink (SessionImageResource()->getReleaseUrl(release.id(), 512)));
 	t->bindWidget("cover", cover);
 
+	auto clusterContainers = new Wt::WContainerWidget();
+	t->bindWidget("clusters", clusterContainers);
+
+	{
+		auto clusters = release->getClusters(3);
+
+		for (auto cluster : clusters)
+		{
+			auto entry = new Wt::WTemplate(Wt::WString::tr("template-release-cluster-entry"), clusterContainers);
+
+			entry->bindString("name", Wt::WString::fromUTF8(cluster->getName()), Wt::PlainText);
+		}
+	}
+
 	{
 		auto playBtn = new Wt::WText(Wt::WString::tr("btn-release-play-btn"), Wt::XHTMLText);
 		t->bindWidget("play-btn", playBtn);