Show clusters of ancestors in cluster list page

Show both the cluster(s) of the clusterable, and the cluster(s) of
ancestor groups.

1 files changed, 20 insertions, 0 deletions

diff --git a/app/finders/cluster_ancestors_finder.rb b/app/finders/cluster_ancestors_finder.rb
new file mode 100644
index 00000000000..9f85e6e5c31
--- /dev/null
+++ b/app/finders/cluster_ancestors_finder.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class ClusterAncestorsFinder
+  def initialize(clusterable, user)
+    @clusterable = clusterable
+    @user = user
+  end
+
+  def execute
+    clusterable.clusters + ancestor_clusters
+  end
+
+  private
+
+  attr_reader :clusterable, :user
+
+  def ancestor_clusters
+    Clusters::Cluster.ancestor_clusters_for_clusterable(clusterable)
+  end
+end