#140 ぼちぼち

'backend/lib/tasks/link_nico.rake' を削除

Reviewed-on: #167

backend/app/controllers/posts_controller.rb

@@ -110,7 +110,8 @@ class PostsController < ApplicationController
     original_created_before = params[:original_created_before]
 
     post = Post.find(params[:id].to_i)
-    tags = post.tags.where(category: 'nico').to_a + Tag.normalise_tags(tag_names)
+    tags = post.tags.where(category: 'nico').to_a +
+           Tag.normalise_tags(tag_names, with_tagme: false)
     if post.update(title:, tags:, original_created_from:, original_created_before:)
       render json: post.as_json(include: { tags: { only: [:id, :name, :category, :post_count] } }),
              status: :ok

backend/app/controllers/users_controller.rb

@@ -6,12 +6,15 @@ class UsersController < ApplicationController
   end
 
   def verify
+    ip_bin = IPAddr.new(request.remote_ip).hton
+    ip_address = IpAddress.find_or_create_by!(ip_address: ip_bin)
+
     user = User.find_by(inheritance_code: params[:code])
-    render json: if user
-                   { valid: true, user: user.slice(:id, :name, :inheritance_code, :role) }
-                 else
-                   { valid: false }
-                 end
+    return render json: { valid: false } unless user
+
+    UserIp.find_or_create_by!(user:, ip_address:)
+
+    render json: { valid: true, user: user.slice(:id, :name, :inheritance_code, :role) }
   end
 
   def renew

backend/app/models/tag.rb

@@ -57,7 +57,7 @@ class Tag < ApplicationRecord
         end
       end
     end
-    tags << Tag.tagme if with_tagme && tags.size < 20 && tags.none?(Tag.tagme)
+    tags << Tag.tagme if with_tagme && tags.size < 10 && tags.none?(Tag.tagme)
     tags.uniq
   end
 

backend/app/models/user.rb

@@ -8,7 +8,6 @@ class User < ApplicationRecord
 
   has_many :posts
   has_many :settings
-  has_many :ip_addresses
   has_many :user_ips, dependent: :destroy
   has_many :ip_addresses, through: :user_ips
   has_many :user_post_views, dependent: :destroy

backend/db/migrate/20251126231500_rename_ip_adress_column_to_ip_addresses.rb

@@ -0,0 +1,5 @@
+class RenameIpAdressColumnToIpAddresses < ActiveRecord::Migration[8.0]
+  def change
+    rename_column :ip_addresses, :ip_adress, :ip_address
+  end
+end

backend/db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_09_09_075500) do
+ActiveRecord::Schema[8.0].define(version: 2025_11_26_231500) do
   create_table "active_storage_attachments", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -40,7 +40,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_09_075500) do
   end
 
   create_table "ip_addresses", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
-    t.binary "ip_adress", limit: 16, null: false
+    t.binary "ip_address", limit: 16, null: false
     t.boolean "banned", default: false, null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
@@ -70,9 +70,16 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_09_075500) do
     t.bigint "deleted_user_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.datetime "discarded_at"
+    t.virtual "is_active", type: :boolean, as: "(`discarded_at` is null)", stored: true
+    t.virtual "active_unique_key", type: :string, as: "(case when (`discarded_at` is null) then concat(`post_id`,_utf8mb4':',`tag_id`) else NULL end)", stored: true
+    t.index ["active_unique_key"], name: "idx_post_tags_active_unique", unique: true
     t.index ["created_user_id"], name: "index_post_tags_on_created_user_id"
     t.index ["deleted_user_id"], name: "index_post_tags_on_deleted_user_id"
+    t.index ["discarded_at"], name: "index_post_tags_on_discarded_at"
+    t.index ["post_id", "discarded_at"], name: "index_post_tags_on_post_id_and_discarded_at"
     t.index ["post_id"], name: "index_post_tags_on_post_id"
+    t.index ["tag_id", "discarded_at"], name: "index_post_tags_on_tag_id_and_discarded_at"
     t.index ["tag_id"], name: "index_post_tags_on_tag_id"
   end
 
@@ -107,6 +114,15 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_09_075500) do
     t.index ["tag_id"], name: "index_tag_aliases_on_tag_id"
   end
 
+  create_table "tag_implications", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.bigint "tag_id", null: false
+    t.bigint "parent_tag_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["parent_tag_id"], name: "index_tag_implications_on_parent_tag_id"
+    t.index ["tag_id"], name: "index_tag_implications_on_tag_id"
+  end
+
   create_table "tag_similarities", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.bigint "tag_id", null: false
     t.bigint "target_tag_id", null: false
@@ -176,6 +192,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_09_075500) do
   add_foreign_key "posts", "users", column: "uploaded_user_id"
   add_foreign_key "settings", "users"
   add_foreign_key "tag_aliases", "tags"
+  add_foreign_key "tag_implications", "tags"
+  add_foreign_key "tag_implications", "tags", column: "parent_tag_id"
   add_foreign_key "tag_similarities", "tags"
   add_foreign_key "tag_similarities", "tags", column: "target_tag_id"
   add_foreign_key "user_ips", "ip_addresses"

backend/lib/tasks/link_nico.rake

@@ -1,12 +0,0 @@
-namespace :nico do
-  desc 'ニコタグ連携'
-  task link: :environment do
-    Post.find_each do |post|
-      tags = post.tags.where(category: 'nico')
-      tags.each do |tag|
-        post.tags.concat(tag.linked_tags) if tag.linked_tags.present?
-      end
-      post.tags = post.tags.to_a.uniq
-    end
-  end
-end

backend/lib/tasks/sync_nico.rake

@@ -51,7 +51,7 @@ namespace :nico do
             end
             tags_to_add.concat([tag] + tag.linked_tags)
           end
-          tags_to_add << Tag.tagme if post.tags.size < 20
+          tags_to_add << Tag.tagme if post.tags.size < 10
           tags_to_add << Tag.bot
           post.tags = (post.tags + tags_to_add).uniq
         end

frontend/src/components/PrefetchLink.tsx

@@ -1,15 +1,16 @@
 import { useQueryClient } from '@tanstack/react-query'
 import { useMemo } from 'react'
-import { useNavigate } from 'react-router-dom'
+import { createPath, useNavigate } from 'react-router-dom'
 
 import { useOverlayStore } from '@/components/RouteBlockerOverlay'
 import { prefetchForURL } from '@/lib/prefetchers'
 import { cn } from '@/lib/utils'
 
 import type { AnchorHTMLAttributes, FC, MouseEvent, TouchEvent } from 'react'
+import type { To } from 'react-router-dom'
 
 type Props = AnchorHTMLAttributes<HTMLAnchorElement> & {
-    to:             string
+    to:             To
     replace?:       boolean
     className?:     string
     cancelOnError?: boolean }
@@ -25,7 +26,10 @@ export default (({ to,
 		   ...rest }: Props) => {
   const navigate = useNavigate ()
   const qc = useQueryClient ()
-  const url = useMemo (() => (new URL (to, location.origin)).toString (), [to])
+  const url = useMemo (() => {
+    const path = (typeof to === 'string') ? to : createPath (to)
+    return (new URL (path, location.origin)).toString ()
+  }, [to])
   const setOverlay = useOverlayStore (s => s.setActive)
 
   const doPrefetch = async () => {
@@ -74,7 +78,7 @@ export default (({ to,
   }
 
   return (
-      <a href={to}
+      <a href={typeof to === 'string' ? to : createPath (to)}
 	 onMouseEnter={handleMouseEnter}
 	 onTouchStart={handleTouchStart}
 	 onClick={handleClick}

frontend/src/components/TagLink.tsx

@@ -1,5 +1,6 @@
 import { Link } from 'react-router-dom'
 
+import PrefetchLink from '@/components/PrefetchLink'
 import { LIGHT_COLOUR_SHADE, DARK_COLOUR_SHADE, TAG_COLOUR } from '@/consts'
 import { cn } from '@/lib/utils'
 
@@ -9,7 +10,8 @@ import type { Tag } from '@/types'
 
 type CommonProps = { tag:         Tag
 		     withWiki?:   boolean
-		     withCount?:  boolean }
+		     withCount?:  boolean
+		     prefetch?:   boolean }
 
 type PropsWithLink =
     CommonProps & { linkFlg?: true } & Partial<ComponentProps<typeof Link>>
@@ -24,6 +26,7 @@ export default (({ tag,
 		   linkFlg   = true,
 		   withWiki  = true,
 		   withCount = true,
+		   prefetch  = false,
 		   ...props }: Props) => {
   const spanClass = cn (
       `text-${ TAG_COLOUR[tag.category] }-${ LIGHT_COLOUR_SHADE }`,
@@ -44,11 +47,19 @@ export default (({ tag,
 	    </span>)}
 	{linkFlg
 	 ? (
-	    <Link to={`/posts?${ (new URLSearchParams ({ tags: tag.name })).toString () }`}
+	    prefetch
+	    ? <PrefetchLink
+		  to={`/posts?${ (new URLSearchParams ({ tags: tag.name })).toString () }`}
 		  className={linkClass}
 		  {...props}>
-	      {tag.name}
-	    </Link>)
+		{tag.name}
+	      </PrefetchLink>
+	    : <Link
+		  to={`/posts?${ (new URLSearchParams ({ tags: tag.name })).toString () }`}
+		  className={linkClass}
+		  {...props}>
+		{tag.name}
+	      </Link>)
 	 : (
 	    <span className={spanClass}
 		  {...props}>

frontend/src/components/TagSidebar.tsx

@@ -10,16 +10,17 @@ import { API_BASE_URL } from '@/config'
 import { CATEGORIES } from '@/consts'
 import { cn } from '@/lib/utils'
 
-import type { FC } from 'react'
+import type { FC, MouseEvent } from 'react'
 
 import type { Post, Tag } from '@/types'
 
 type TagByCategory = Record<string, Tag[]>
 
-type Props = { posts: Post[] }
+type Props = { posts:     Post[]
+	       onClick?:  (event: MouseEvent<HTMLElement>) => void }
 
 
-export default (({ posts }: Props) => {
+export default (({ posts, onClick }: Props) => {
   const navigate = useNavigate ()
 
   const [tagsVsbl, setTagsVsbl] = useState (false)
@@ -64,11 +65,11 @@ export default (({ posts }: Props) => {
 	<div className={cn (!(tagsVsbl) && 'hidden', 'md:block mt-4')}>
 	  <SectionTitle>タグ</SectionTitle>
 	  <ul>
-	    {CATEGORIES.flatMap (cat => cat in tags ? (
+	    {CATEGORIES.flatMap (cat => cat in tags ?
 		tags[cat].map (tag => (
 		    <li key={tag.id} className="mb-1">
-		      <TagLink tag={tag}/>
-		    </li>))) : [])}
+		      <TagLink tag={tag} prefetch onClick={onClick}/>
+		    </li>)) : [])}
 	  </ul>
 	  <SectionTitle>関聯</SectionTitle>
 	  {posts.length > 0 && (

frontend/src/pages/posts/PostListPage.tsx

@@ -10,6 +10,7 @@ import WikiBody from '@/components/WikiBody'
 import TabGroup, { Tab } from '@/components/common/TabGroup'
 import MainArea from '@/components/layout/MainArea'
 import { API_BASE_URL, SITE_TITLE } from '@/config'
+import { fetchPosts } from '@/lib/posts'
 
 import type { Post, WikiPage } from '@/types'
 
@@ -28,13 +29,11 @@ export default () => {
   const loadMore = async (withCursor: boolean) => {
     setLoading (true)
 
-    const res = await axios.get (`${ API_BASE_URL }/posts`, {
-	params: { tags:   tags.join (' '),
-		  match:  anyFlg ? 'any' : 'all',
-		  limit:  '20',
-		  ...(withCursor && { cursor }) } })
-    const data = toCamel (res.data as any, { deep: true }) as { posts:      Post[]
-								nextCursor: string }
+    const data = await fetchPosts ({
+	tags:   tags.join (' '),
+	match:  anyFlg ? 'any' : 'all',
+	limit:  20,
+	...(withCursor && { cursor }) })
     setPosts (posts => (
 	[...((new Map ([...(withCursor ? posts : []), ...data.posts]
 		       .map (post => [post.id, post])))
@@ -111,7 +110,13 @@ export default () => {
 	  </title>
 	</Helmet>
 
-	<TagSidebar posts={posts.slice (0, 20)}/>
+	<TagSidebar posts={posts.slice (0, 20)} onClick={() => {
+	    const statesToSave = {
+		posts, cursor,
+		scroll: containerRef.current?.scrollTop ?? 0 }
+	    sessionStorage.setItem (`posts:${ tagsQuery }`,
+				    JSON.stringify (statesToSave))
+	}}/>
 
 	<MainArea>
 	  <TabGroup>