AI: address issue #150

backend/app/controllers/posts_controller.rb

@@ -314,9 +314,7 @@ class PostsController < ApplicationController
   def viewed
     return head :unauthorized unless current_user
 
-    UserPostView.create_or_find_by!(
-        user: current_user,
-        post: Post.find(params[:id]))
+    current_user.viewed_posts << Post.find(params[:id])
     head :no_content
   end
 

backend/spec/requests/posts_spec.rb

@@ -2559,21 +2559,6 @@ RSpec.describe 'Posts API', type: :request do
 
       expect(user.reload.viewed?(post_record)).to be(true)
     end
-
-    it '204 and keeps one view on repeated requests' do
-      sign_in_as(user)
-
-      expect {
-        post "/posts/#{ post_record.id }/viewed"
-      }.to change(UserPostView, :count).by(1)
-      expect(response).to have_http_status(:no_content)
-
-      expect {
-        post "/posts/#{ post_record.id }/viewed"
-      }.not_to change(UserPostView, :count)
-      expect(response).to have_http_status(:no_content)
-      expect(user.reload.viewed?(post_record)).to be(true)
-    end
   end
 
   describe 'DELETE /posts/:id/viewed' do

frontend/src/components/PostEmbed.tsx

@@ -196,6 +196,39 @@ 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')