AI: address issue #150

backend/app/controllers/material_versions_controller.rb

@@ -5,7 +5,6 @@ class MaterialVersionsController < ApplicationController
 
     page = 1 if page < 1
     limit = 1 if limit < 1
-    limit = 100 if limit > 100
 
     offset = (page - 1) * limit
 

backend/app/controllers/materials_controller.rb

@@ -14,7 +14,6 @@ class MaterialsController < ApplicationController
 
     page = 1 if page < 1
     limit = 1 if limit < 1
-    limit = 100 if limit > 100
 
     offset = (page - 1) * limit
 

backend/app/controllers/nico_tags_controller.rb

@@ -15,7 +15,6 @@ class NicoTagsController < ApplicationController
 
     page = 1 if page < 1
     limit = 1 if limit < 1
-    limit = 100 if limit > 100
 
     post_tag_max_sql =
         PostExternalTag

backend/app/controllers/post_versions_controller.rb

@@ -11,7 +11,6 @@ class PostVersionsController < ApplicationController
 
     page = 1 if page < 1
     limit = 1 if limit < 1
-    limit = 100 if limit > 100
 
     offset = (page - 1) * limit
 

backend/app/controllers/posts_controller.rb

@@ -34,7 +34,6 @@ class PostsController < ApplicationController
 
     page = 1 if page < 1
     limit = 1 if limit < 1
-    limit = 100 if limit > 100
 
     offset = (page - 1) * limit
 

backend/app/controllers/tag_versions_controller.rb

@@ -7,7 +7,6 @@ class TagVersionsController < ApplicationController
 
     page = 1 if page < 1
     limit = 1 if limit < 1
-    limit = 100 if limit > 100
 
     offset = (page - 1) * limit
 

backend/app/controllers/tags_controller.rb

@@ -33,7 +33,6 @@ class TagsController < ApplicationController
 
     page = 1 if page < 1
     limit = 1 if limit < 1
-    limit = 100 if limit > 100
 
     offset = (page - 1) * limit
 

backend/app/controllers/theatre_comments_controller.rb

@@ -2,7 +2,6 @@ class TheatreCommentsController < ApplicationController
   def index
     limit = params[:limit].to_i
     limit = 20 if limit <= 0
-    limit = 100 if limit > 100
 
     no_gt = params[:no_gt].to_i
     no_gt = 0 if no_gt < 0
@@ -10,7 +9,6 @@ class TheatreCommentsController < ApplicationController
     comments = TheatreComment
                .where(theatre_id: params[:theatre_id])
                .where('no > ?', no_gt)
-               .includes(:user)
                .order(no: :desc)
                .limit(limit)
 

backend/app/controllers/theatre_programmes_controller.rb

@@ -2,7 +2,6 @@ class TheatreProgrammesController < ApplicationController
   def index
     limit = params[:limit].to_i
     limit = 100 if limit <= 0
-    limit = 100 if limit > 100
 
     position_gt = params[:position_gt].to_i
     position_gt = 0 if position_gt < 0
@@ -11,7 +10,7 @@ class TheatreProgrammesController < ApplicationController
                  .where(theatre_id: params[:theatre_id])
                  .where('position > ?', position_gt)
                  .includes(:post)
-                 .order(position: :desc)
+                 .order(position: :desc).limit(100)
                  .limit(limit)
 
     render json: programmes.map { |programme|

backend/app/controllers/theatre_skip_events_controller.rb

@@ -2,7 +2,6 @@ class TheatreSkipEventsController < ApplicationController
   def index
     limit = params[:limit].to_i
     limit = 50 if limit <= 0
-    limit = 100 if limit > 100
 
     events =
         TheatreSkipEvent

backend/spec/requests/list_limits_spec.rb

@@ -1,174 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe 'List API limits', type: :request do
-  shared_examples 'a capped list' do |default_count, minimum_count, paginated|
-    def response_rows
-      body = json
-      body.is_a?(Array) ? body : body.fetch(collection_key)
-    end
-
-    it 'caps oversized limits at 100 and preserves the 100 boundary' do
-      get path, params: { locale: 'ja', limit: 100 }
-      expect(response).to have_http_status(:ok)
-      expect(response_rows.size).to eq(100)
-      boundary_rows = response_rows
-
-      [101, 10_000].each do |limit|
-        get path, params: { locale: 'ja', limit: }
-        expect(response).to have_http_status(:ok)
-        expect(response_rows).to eq(boundary_rows)
-      end
-    end
-
-    it 'preserves the default, nonpositive and small positive limits' do
-      get path, params: { locale: 'ja' }
-      expect(response).to have_http_status(:ok)
-      expect(response_rows.size).to eq(default_count)
-
-      [0, -1].each do |limit|
-        get path, params: { locale: 'ja', limit: }
-        expect(response).to have_http_status(:ok)
-        expect(response_rows.size).to eq(minimum_count)
-      end
-
-      get path, params: { locale: 'ja', limit: 2 }
-      expect(response).to have_http_status(:ok)
-      expect(response_rows.size).to eq(2)
-    end
-
-    if paginated
-      it 'uses the capped limit for page offsets and preserves total count' do
-        get path, params: { locale: 'ja', limit: 100 }
-        first_page = response_rows
-        expect(response).to have_http_status(:ok)
-        expect(json.fetch('count')).to eq(101)
-
-        get path, params: { locale: 'ja', limit: 100, page: 2 }
-        expect(response).to have_http_status(:ok)
-        expect(response_rows.size).to eq(1)
-        second_page = response_rows
-        expect(first_page & second_page).to be_empty
-
-        get path, params: { locale: 'ja', limit: 101, page: 2 }
-        expect(response).to have_http_status(:ok)
-        expect(response_rows).to eq(second_page)
-        expect(json.fetch('count')).to eq(101)
-      end
-    end
-  end
-
-  context 'posts' do
-    let(:path) { '/posts' }
-    let(:collection_key) { 'posts' }
-    before { create_list(:post, 101) }
-
-    include_examples 'a capped list', 20, 1, true
-  end
-
-  context 'tags' do
-    let(:path) { '/tags' }
-    let(:collection_key) { 'tags' }
-    before { create_list(:tag, 101) }
-
-    include_examples 'a capped list', 20, 1, true
-  end
-
-  context 'nico tags' do
-    let(:path) { '/tags/nico' }
-    let(:collection_key) { 'tags' }
-    before { create_list(:external_tag, 101) }
-
-    include_examples 'a capped list', 20, 1, true
-  end
-
-  context 'materials' do
-    let(:path) { '/materials' }
-    let(:collection_key) { 'materials' }
-    before do
-      101.times { |index| Material.create!(url: "https://example.com/material-#{ index }") }
-    end
-
-    include_examples 'a capped list', 20, 1, true
-  end
-
-  context 'post versions' do
-    let(:path) { '/posts/versions' }
-    let(:collection_key) { 'versions' }
-    let(:post) { create(:post) }
-    before do
-      101.times do |index|
-        PostVersion.create!(post:, version_no: index + 1, event_type: 'update',
-                            url: post.url, tags: '', tags_json: [], parent_post_ids: '')
-      end
-    end
-
-    include_examples 'a capped list', 20, 1, true
-  end
-
-  context 'tag versions' do
-    let(:path) { '/tags/versions' }
-    let(:collection_key) { 'versions' }
-    let(:tag) { create(:tag) }
-    before do
-      101.times do |index|
-        TagVersion.create!(tag:, version_no: index + 1, event_type: 'update',
-                           name: 'limit tag', category: 'general', aliases: '',
-                           parent_tag_ids: '', names: {
-                               ja: { name: 'limit tag', script_code: 'Jpan',
-                                     auto_generated: false, aliases: [] } })
-      end
-    end
-
-    include_examples 'a capped list', 20, 1, true
-  end
-
-  context 'material versions' do
-    let(:path) { '/materials/versions' }
-    let(:collection_key) { 'versions' }
-    let(:material) { Material.create!(url: 'https://example.com/material') }
-    before do
-      101.times do |index|
-        MaterialVersion.create!(material:, version_no: index + 1,
-                                event_type: 'update', url: material.url)
-      end
-    end
-
-    include_examples 'a capped list', 20, 1, true
-  end
-
-  context 'theatre lists' do
-    let(:theatre) { create(:theatre) }
-    let(:post) { create(:post) }
-
-    context 'comments' do
-      let(:path) { "/theatres/#{ theatre.id }/comments" }
-      before { create_list(:theatre_comment, 101, theatre:, user: theatre.created_by_user) }
-
-      include_examples 'a capped list', 20, 20, false
-    end
-
-    context 'programmes' do
-      let(:path) { "/theatres/#{ theatre.id }/programmes" }
-      before do
-        101.times do |index|
-          TheatreProgramme.create!(theatre:, post:, position: index + 1)
-        end
-      end
-
-      include_examples 'a capped list', 100, 100, false
-    end
-
-    context 'skip events' do
-      let(:path) { "/theatres/#{ theatre.id }/skip_events" }
-      before do
-        101.times do |index|
-          TheatreSkipEvent.create!(theatre:, post:,
-                                   skipped_by_user: theatre.created_by_user,
-                                   created_at: Time.utc(2026, 1, 1) + index.seconds)
-        end
-      end
-
-      include_examples 'a capped list', 50, 50, false
-    end
-  end
-end

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')