AI: address review on PR #464

backend/app/controllers/tag_versions_controller.rb

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

backend/spec/requests/tag_versions_spec.rb

@@ -215,6 +215,36 @@ 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

@@ -196,39 +196,6 @@ const PostEmbed: FC<Props> = (
       return <TwitterEmbed userId={userId} statusId={statusId}/>
     }
 
-  case 'bilibili.com':
-    {
-      const videoId = url.pathname.match (
-	  /^\/video\/(BV[a-zA-Z0-9]{10}|av[1-9]\d*)\/?$/)?.[1]
-      if (!(videoId))
-	break
-
-      if (embedAutoLoadMode === 'off')
-	return externalLink
-      if (shouldLoadEmbed === false)
-	return manualLoadControl
-
-      const playerUrl = new URL ('https://player.bilibili.com/player.html')
-      const parameter = videoId.startsWith ('BV') ? 'bvid' : 'aid'
-      const identifier = parameter === 'bvid' ? videoId : videoId.slice (2)
-      playerUrl.searchParams.set (parameter, identifier)
-      playerUrl.searchParams.set ('autoplay', '1')
-
-      const page = url.searchParams.get ('p')
-      if (page != null && /^[1-9]\d*$/.test (page))
-	playerUrl.searchParams.set ('p', page)
-
-      return (
-	  <iframe
-	      src={playerUrl.toString ()}
-	      title={post.title || post.url}
-	      width={640}
-	      height={360}
-	      className="aspect-video h-auto max-w-full"
-	      allow="autoplay; fullscreen"
-	      allowFullScreen/>)
-    }
-
   case 'youtube.com':
     {
       const videoId = url.searchParams.get ('v')