Expose whether chat is enabled as NodeInfo metadata

related to #6211

app/presenters/node_info_presenter.rb

@@ -21,6 +21,7 @@ class NodeInfoPresenter
     doc.services             = available_services
     doc.open_registrations   = open_registrations?
     doc.metadata["nodeName"] = name
+    doc.metadata["xmppChat"] = chat_enabled?
   end
 
   def add_static_data(doc)
@@ -66,6 +67,10 @@ class NodeInfoPresenter
     AppConfig.settings.enable_registrations?
   end
 
+  def chat_enabled?
+    AppConfig.chat.enabled?
+  end
+
   def available_services
     Configuration::KNOWN_SERVICES.select {|service|
       AppConfig.show_service?(service, nil)

spec/presenters/node_info_presenter_spec.rb

@@ -35,7 +35,8 @@ describe NodeInfoPresenter do
           "users" => {}
         },
         "metadata"          => {
-          "nodeName" => AppConfig.settings.pod_name
+          "nodeName" => AppConfig.settings.pod_name,
+          "xmppChat" => AppConfig.chat.enabled?
         }
       )
     end
@@ -116,5 +117,15 @@ describe NodeInfoPresenter do
         expect(presenter.open_registrations?).to be false
       end
     end
+
+    context "when chat is enabled" do
+      before do
+        AppConfig.chat.enabled = true
+      end
+
+      it "should mark the xmppChat metadata as true" do
+        expect(hash).to include "metadata" => include("xmppChat" => true)
+      end
+    end
   end
 end