1 files changed, 24 insertions, 0 deletions
diff --git a/app/finders/joined_groups_finder.rb b/app/finders/joined_groups_finder.rb
new file mode 100644
index 00000000000..47174980258
--- /dev/null
+++ b/app/finders/joined_groups_finder.rb
@@ -0,0 +1,24 @@
+class JoinedGroupsFinder < UnionFinder
+  def initialize(user)
+    @user = user
+  end
+
+  # Finds the groups of the source user, optionally limited to those visible to
+  # the current user.
+  def execute(current_user = nil)
+    segments = all_groups(current_user)
+
+    find_union(segments, Group).order_id_desc
+  end
+
+  private
+
+  def all_groups(current_user)
+    groups = []
+
+    groups << @user.authorized_groups.visible_to_user(current_user) if current_user
+    groups << @user.authorized_groups.public_to_user(current_user)
+
+    groups
+  end
+end