diff --git a/lib/ext/profile_controller.rb b/lib/ext/profile_controller.rb
new file mode 100644
index 0000000..cd72996
--- /dev/null
+++ b/lib/ext/profile_controller.rb
@@ -0,0 +1,21 @@
+require_dependency 'profile_controller'
+
+class ProfileController
+
+  def communities
+    type = []
+    if params[:type] == "Software"
+      type = profile.softwares
+    elsif params[:type] == "Institution"
+      type = profile.institutions
+    else
+      profile.communities.select do |community|
+        type << community unless community.software? || community.institution?
+      end
+    end
+
+    if is_cache_expired?(profile.communities_cache_key(params))
+      @communities = type.paginate(:per_page => per_page, :page => params[:npage], :total_entries => type.count)
+    end
+  end
+end
--
libgit2 0.21.2