AI: address review on PR #472

backend/app/controllers/tag_versions_controller.rb

@@ -69,11 +69,8 @@ class TagVersionsController < ApplicationController
 
       parent_tags =
           build_version_values(cur_parent_tag_ids, prev_parent_tag_ids, key: :tag_id)
-          .filter_map do |h|
+          .map do |h|
-            parent = parent_json[h[:tag_id]]
+            { tag: parent_json.fetch(h[:tag_id]),
-            next unless parent
-
-            { tag: parent,
               type: h[:type] }
           end
 

backend/spec/requests/tag_versions_spec.rb

@@ -215,36 +215,6 @@ RSpec.describe 'TagVersions API', type: :request do
       expect(first.fetch('created_at')).to eq(t_v1.iso8601)
     end
 
-    [:parent_shared, :parent_new, :parent_old].each do |parent_key|
-      it "omits deleted #{ parent_key } from parent diffs" do
-        deleted_parent = public_send(parent_key)
-        deleted_parent.tag_names.destroy_all
-        deleted_parent.destroy!
-
-        get '/tags/versions', params: { id: tag.id }
-
-        expect(response).to have_http_status(:ok)
-        expect(json.fetch('count')).to eq(2)
-
-        versions = json.fetch('versions')
-        expect(versions.map { _1.fetch('version_no') }).to eq([2, 1])
-
-        expected_parents = [
-            [parent_shared.id, 'context'],
-            [parent_new.id, 'added'],
-            [parent_old.id, 'removed']].reject { _1.first == deleted_parent.id }
-        expect(versions.first.fetch('parent_tags').map { |entry|
-          [entry.fetch('tag').fetch('id'), entry.fetch('type')]
-        }).to eq(expected_parents)
-
-        expected_first_parents = [parent_shared.id, parent_old.id]
-            .reject { _1 == deleted_parent.id }.map { [_1, 'added'] }
-        expect(versions.second.fetch('parent_tags').map { |entry|
-          [entry.fetch('tag').fetch('id'), entry.fetch('type')]
-        }).to eq(expected_first_parents)
-      end
-    end
-
     it 'returns empty when the specified tag has no versions' do
       fresh_tag = create(:tag, primary_name: 'no_versions_tag', category: :general)
 

frontend/src/components/PostEmbed.tsx

@@ -177,6 +177,39 @@ const PostEmbed: FC<Props> = (
 	      onError={onError}/>)
     }
 
+  case 'pixiv.net':
+    {
+      if (url.hostname !== 'pixiv.net' && url.hostname !== 'www.pixiv.net')
+	break
+
+      const artworkId =
+	  url.pathname === '/member_illust.php'
+	  ? url.searchParams.get ('illust_id')
+	  : url.pathname.match (
+	      /^\/(?:[a-z]{2}(?:-[A-Za-z]{2})?\/)?artworks\/(\d+)\/?$/)?.[1]
+
+      if (!(artworkId) || !(/^\d+$/.test (artworkId)))
+	break
+
+      if (embedAutoLoadMode === 'off')
+	return externalLink
+      if (shouldLoadEmbed === false)
+	return manualLoadControl
+
+      const embedUrl =
+	  `https://embed.pixiv.net/oembed_iframe.php?type=illust&id=${ artworkId }`
+
+      return (
+	  <iframe
+	      src={embedUrl}
+	      title={post.title || post.url}
+	      width={600}
+	      height={315}
+	      style={{ border: 0 }}
+	      loading="lazy"
+	      className="max-w-full"/>)
+    }
+
   case 'twitter.com':
   case 'x.com':
     {