Fix #4606: Add only= support for modqueue.

app/controllers/modqueue_controller.rb

@@ -23,6 +23,6 @@ class ModqueueController < ApplicationController
 
     @preview_size = params[:size].presence || cookies[:post_preview_size].presence || PostPreviewComponent::DEFAULT_SIZE
 
-    respond_with(@posts)
+    respond_with(@posts, model: "Post")
   end
 end

test/functional/modqueue_controller_test.rb

@@ -5,7 +5,7 @@ class ModqueueControllerTest < ActionDispatch::IntegrationTest
     setup do
       @admin = create(:admin_user)
       @user = create(:user)
-      @post = as(@user) { create(:post, is_pending: true) }
+      @post = create(:post, is_pending: true)
     end
 
     context "index action" do
@@ -14,6 +14,18 @@ class ModqueueControllerTest < ActionDispatch::IntegrationTest
         assert_response :success
       end
 
+      should "render for a json response" do
+        get_auth modqueue_index_path, @admin, as: :json
+        assert_response :success
+      end
+
+      should "support the only= URL param" do
+        get_auth modqueue_index_path(only: "rating"), @admin, as: :json
+
+        assert_response :success
+        assert_equal([{ "rating" => @post.rating }], response.parsed_body)
+      end
+
       should "include appealed posts in the modqueue" do
         @appeal = create(:post_appeal)
         get_auth modqueue_index_path, @admin