From 4dc1a109c5facb7c23f95ad07000643d090b2f83 Mon Sep 17 00:00:00 2001
From: evazion <noizave@gmail.com>
Date: Fri, 14 Oct 2022 15:32:48 -0500
Subject: [PATCH] media metadata: fix exception in
 /media_metadata.json?only=media_asset.

Fix NameError exception caused by the MediaMetadataController trying to lookup "MediaMetadatum" as the model name.
---
 app/controllers/media_metadata_controller.rb      | 2 +-
 app/models/media_metadata.rb                      | 4 ++++
 test/functional/media_metadata_controller_test.rb | 8 ++++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/app/controllers/media_metadata_controller.rb b/app/controllers/media_metadata_controller.rb
index 5ea61d0ed..4c99404c4 100644
--- a/app/controllers/media_metadata_controller.rb
+++ b/app/controllers/media_metadata_controller.rb
@@ -5,6 +5,6 @@ class MediaMetadataController < ApplicationController
 
   def index
     @media_metadata = authorize MediaMetadata.visible(CurrentUser.user).paginated_search(params, count_pages: true)
-    respond_with(@media_metadata)
+    respond_with(@media_metadata, model: "MediaMetadata")
   end
 end
diff --git a/app/models/media_metadata.rb b/app/models/media_metadata.rb
index 6e37b3bd4..c5e12e77c 100644
--- a/app/models/media_metadata.rb
+++ b/app/models/media_metadata.rb
@@ -32,4 +32,8 @@ class MediaMetadata < ApplicationRecord
   def frame_delays
     metadata["Ugoira:FrameDelays"].to_a
   end
+
+  def self.available_includes
+    [:media_asset]
+  end
 end
diff --git a/test/functional/media_metadata_controller_test.rb b/test/functional/media_metadata_controller_test.rb
index 7f78c5064..747765b29 100644
--- a/test/functional/media_metadata_controller_test.rb
+++ b/test/functional/media_metadata_controller_test.rb
@@ -10,6 +10,14 @@ class MediaMetadataControllerTest < ActionDispatch::IntegrationTest
         assert_response :success
       end
 
+      should "work with the only=media_asset param" do
+        metadata = create(:media_metadata)
+        get media_metadata_path(only: "media_asset"), as: :json
+
+        assert_response :success
+        assert_equal(metadata.media_asset.id, response.parsed_body.sole.dig("media_asset", "id"))
+      end
+
       context "searching" do
         setup do
           @jpg = create(:media_metadata, file: "test/files/test.jpg")