Return new-style config if old-style config is set to false.

This is in preparation for 1.0. We'll be able to switch the config to the new
mechanism on PleromaFE then as well.

lib/pleroma/web/twitter_api/controllers/util_controller.ex

@@ -183,7 +183,9 @@ def config(conn, _params) do
           invitesEnabled: if(Keyword.get(instance, :invites_enabled, false), do: "1", else: "0")
         }
 
-        pleroma_fe = %{
+        pleroma_fe =
+          if instance_fe do
+            %{
               theme: Keyword.get(instance_fe, :theme),
               background: Keyword.get(instance_fe, :background),
               logo: Keyword.get(instance_fe, :logo),
@@ -195,13 +197,17 @@ def config(conn, _params) do
               showInstanceSpecificPanel: Keyword.get(instance_fe, :show_instance_panel),
               scopeOptionsEnabled: Keyword.get(instance_fe, :scope_options_enabled),
               formattingOptionsEnabled: Keyword.get(instance_fe, :formatting_options_enabled),
-          collapseMessageWithSubject: Keyword.get(instance_fe, :collapse_message_with_subject),
+              collapseMessageWithSubject:
+                Keyword.get(instance_fe, :collapse_message_with_subject),
               hidePostStats: Keyword.get(instance_fe, :hide_post_stats),
               hideUserStats: Keyword.get(instance_fe, :hide_user_stats),
               scopeCopy: Keyword.get(instance_fe, :scope_copy),
               subjectLineBehavior: Keyword.get(instance_fe, :subject_line_behavior),
               alwaysShowSubjectInput: Keyword.get(instance_fe, :always_show_subject_input)
             }
+          else
+            Pleroma.Config.get([:frontend_configurations, :pleroma_fe])
+          end
 
         managed_config = Keyword.get(instance, :managed_config)
 

test/web/twitter_api/util_controller_test.exs

@@ -33,7 +33,51 @@ test "it returns HTTP 200", %{conn: conn} do
     end
   end
 
-  describe "GET /api/pleroma/frontent_configurations" do
+  describe "GET /api/statusnet/config.json" do
+    test "it returns the managed config", %{conn: conn} do
+      Pleroma.Config.put([:instance, :managed_config], false)
+
+      response =
+        conn
+        |> get("/api/statusnet/config.json")
+        |> json_response(:ok)
+
+      refute response["site"]["pleromafe"]
+
+      Pleroma.Config.put([:instance, :managed_config], true)
+
+      response =
+        conn
+        |> get("/api/statusnet/config.json")
+        |> json_response(:ok)
+
+      assert response["site"]["pleromafe"]
+    end
+
+    test "if :pleroma, :fe is false, it returns the new style config settings", %{conn: conn} do
+      Pleroma.Config.put([:instance, :managed_config], true)
+      Pleroma.Config.put([:fe, :theme], "rei-ayanami-towel")
+      Pleroma.Config.put([:frontend_configurations, :pleroma_fe], %{theme: "asuka-hospital"})
+
+      response =
+        conn
+        |> get("/api/statusnet/config.json")
+        |> json_response(:ok)
+
+      assert response["site"]["pleromafe"]["theme"] == "rei-ayanami-towel"
+
+      Pleroma.Config.put([:fe], false)
+
+      response =
+        conn
+        |> get("/api/statusnet/config.json")
+        |> json_response(:ok)
+
+      assert response["site"]["pleromafe"]["theme"] == "asuka-hospital"
+    end
+  end
+
+  describe "GET /api/pleroma/frontend_configurations" do
     test "returns everything in :pleroma, :frontend_configurations", %{conn: conn} do
       config = [
         frontend_a: %{