#318

backend/app/controllers/tags_controller.rb

@@ -220,8 +220,14 @@ class TagsController < ApplicationController
     category = params[:category].to_s.strip
     return head :unprocessable_entity if name.blank? || category.blank?
 
-    if tag.nico? != (category == 'nico')
-      return render json: { error: 'ニコタグのカテゴリ変更はできません．' },
+    if name != tag.name &&
+        tag.in?([Tag.tagme, Tag.bot, Tag.no_deerjikist, Tag.video, Tag.niconico])
+      return render json: { error: 'システム・タグの名称は変更できません．' },
+                    status: :unprocessable_entity
+    end
+
+    if tag.nico? || category == 'nico'
+      return render json: { error: 'ニコタグは変更できません．' },
                     status: :unprocessable_entity
     end
 
@@ -258,8 +264,8 @@ class TagsController < ApplicationController
 
     tag = Tag.find(params[:id])
 
-    if category.present? && tag.nico? != (category == 'nico')
-      return render json: { error: 'ニコタグのカテゴリ変更はできません．' },
+    if tag.nico? || (category.present? && category == 'nico')
+      return render json: { error: 'ニコタグは変更できません．' },
                     status: :unprocessable_entity
     end
 

frontend/src/App.tsx

@@ -56,7 +56,7 @@ const RouteTransitionWrapper = ({ user, setUser }: {
 	  <Route path="/posts/:id" element={<PostDetailRoute user={user}/>}/>
 	  <Route path="/posts/changes" element={<PostHistoryPage/>}/>
 	  <Route path="/tags" element={<TagListPage/>}/>
-	  <Route path="/tags/:name" element={<TagDetailPage/>}/>
+	  <Route path="/tags/:id" element={<TagDetailPage/>}/>
 	  <Route path="/tags/nico" element={<NicoTagListPage user={user}/>}/>
 	  <Route path="/theatres/:id" element={<TheatreDetailPage/>}/>
 	  <Route path="/materials" element={<MaterialBasePage/>}>

frontend/src/components/TopNav.tsx

@@ -8,7 +8,7 @@ import PrefetchLink from '@/components/PrefetchLink'
 import TopNavUser from '@/components/TopNavUser'
 import { WikiIdBus } from '@/lib/eventBus/WikiIdBus'
 import { tagsKeys, wikiKeys } from '@/lib/queryKeys'
-import { fetchTagByName } from '@/lib/tags'
+import { fetchTag, fetchTagByName } from '@/lib/tags'
 import { cn } from '@/lib/utils'
 import { fetchWikiPage } from '@/lib/wiki'
 
@@ -29,6 +29,8 @@ export const menuOutline = ({ tag, wikiId, user, pathName }: {
   const wikiPageFlg = Boolean (/^\/wiki\/(?!new|changes)[^\/]+/.test (pathName) && wikiId)
   const wikiTitle = pathName.split ('/')[2] ?? ''
 
+  const tagFlg = /^\/tags\/\d+/.test (pathName)
+
   return [
       { name: '広場', to: '/posts', subMenu: [
 	  { name: '一覧', to: '/posts' },
@@ -38,10 +40,13 @@ export const menuOutline = ({ tag, wikiId, user, pathName }: {
 	  { name: 'ヘルプ', to: '/wiki/ヘルプ:広場' }] },
       { name: 'タグ', to: '/tags', subMenu: [
 	  { name: 'マスタ', to: '/tags' },
-	  { name: '別名タグ', to: '/tags/aliases', visible: false },
-	  { name: '上位タグ', to: '/tags/implications', visible: false },
 	  { name: 'ニコニコ連携', to: '/tags/nico' },
-	  { name: 'ヘルプ', to: '/wiki/ヘルプ:タグ' }] },
+	  { name: 'ヘルプ', to: '/wiki/ヘルプ:タグ' },
+	  { component: <Separator/>, visible: tagFlg },
+	  { name: `広場 (${ postCount || 0 })`,
+	    to: `/posts?tags=${ encodeURIComponent (tag?.name) }`,
+	    visible: tagFlg },
+	  { name: '履歴', to: `/tags/changes?id=${ tag?.id }`, visible: false }] },
       { name: '素材', to: '/materials', visible: false, subMenu: [
 	  { name: '一覧', to: '/materials' },
 	  { name: '検索', to: '/materials/search', visible: false }, 
@@ -114,12 +119,14 @@ export default (({ user }: Props) => {
       queryKey: wikiKeys.show (wikiIdStr, { }),
       queryFn: () => fetchWikiPage (wikiIdStr, { }) })
 
-  const effectiveTitle = wikiPage?.title ?? ''
+  const tagFlg = /^\/tags\/\d+/.test (location.pathname)
+  const effectiveTitle = (tagFlg ? location.pathname.split ('/')[2] : wikiPage?.title) ?? ''
 
   const { data: tag } = useQuery ({
       enabled: Boolean (effectiveTitle),
       queryKey: tagsKeys.show (effectiveTitle),
-      queryFn: () => fetchTagByName (effectiveTitle) })
+      queryFn: () => (tagFlg ? fetchTag : fetchTagByName) (effectiveTitle) })
+
 
   const menu = menuOutline ({ tag, wikiId, user, pathName: location.pathname })
   const visibleMenu = menu.filter ((item): item is MenuVisibleItem => item.visible ?? true)

frontend/src/lib/prefetchers.ts

@@ -14,6 +14,7 @@ type Prefetcher = (qc: QueryClient, url: URL) => Promise<void>
 
 const mPost = match<{ id: string }> ('/posts/:id')
 const mWiki = match<{ title: string }> ('/wiki/:title')
+const mTag = match<{ id: string }> ('/tags/:id')
 
 
 const prefetchWikiPagesIndex: Prefetcher = async (qc, url) => {
@@ -169,6 +170,19 @@ const prefetchTagsIndex: Prefetcher = async (qc, url) => {
 }
 
 
+const prefetchTagShow: Prefetcher = async (qc, url) => {
+  const m = mTag (url.pathname)
+  if (!(m))
+    return
+
+  const { id } = m.params
+
+  await qc.prefetchQuery ({
+      queryKey: tagsKeys.show (id),
+      queryFn:  () => fetchTag (id) })
+}
+
+
 export const routePrefetchers: { test: (u: URL) => boolean; run: Prefetcher }[] = [
     { test: u => ['/', '/posts', '/posts/search'].includes (u.pathname),
       run: prefetchPostsIndex },
@@ -180,7 +194,9 @@ export const routePrefetchers: { test: (u: URL) => boolean; run: Prefetcher }[]
     { test: u => (!(['/wiki/new', '/wiki/changes'].includes (u.pathname))
 		  && Boolean (mWiki (u.pathname))),
       run: prefetchWikiPageShow },
-    { test: u => u.pathname === '/tags', run: prefetchTagsIndex }]
+    { test: u => u.pathname === '/tags', run: prefetchTagsIndex },
+    { test: u => u.pathname !== '/tags/nico' && Boolean (mTag (u.pathname)),
+      run: prefetchTagShow }]
 
 
 export const prefetchForURL = async (qc: QueryClient, urlLike: string): Promise<void> => {

frontend/src/pages/tags/TagDetailPage.tsx

@@ -2,6 +2,7 @@ import { useQuery, useQueryClient } from '@tanstack/react-query'
 import { useEffect, useState } from 'react'
 import { useParams } from 'react-router-dom'
 
+import TagLink from '@/components/TagLink'
 import Label from '@/components/common/Label'
 import PageTitle from '@/components/common/PageTitle'
 import MainArea from '@/components/layout/MainArea'
@@ -9,7 +10,8 @@ import { toast } from '@/components/ui/use-toast'
 import { CATEGORIES, CATEGORY_NAMES } from '@/consts'
 import { apiPut } from '@/lib/api'
 import { postsKeys, tagsKeys } from '@/lib/queryKeys'
-import { fetchTagByName } from '@/lib/tags'
+import { fetchTag } from '@/lib/tags'
+import { cn } from '@/lib/utils'
 
 import type { FC, FormEvent } from 'react'
 
@@ -17,18 +19,19 @@ import type { Category, Tag } from '@/types'
 
 
 export default (() => {
-  const { name: nameRaw } = useParams ()
-  const tagName = String (nameRaw ?? '')
-  const tagKey = tagsKeys.show (tagName)
+  const { id } = useParams ()
+  const tagId = String (id ?? '')
+  const tagKey = tagsKeys.show (tagId)
 
   const { data: tag, isLoading: loading } = useQuery ({
       queryKey: tagKey,
-      queryFn: () => fetchTagByName (tagName) })
+      queryFn: () => fetchTag (tagId) })
 
   const [name, setName] = useState ('')
   const [category, setCategory] = useState<Category> ('general')
   const [aliases, setAliases] = useState ('')
   const [parentTags, setParentTags] = useState ('')
+  const [disabled, setDisabled] = useState (true)
 
   const qc = useQueryClient ()
 
@@ -43,7 +46,8 @@ export default (() => {
 
     try
     {
-      const data = await apiPut<Tag> (`/tags/${ tag?.id }`, formData)
+      const data = await apiPut<Tag> (`/tags/${ id }`, formData)
+
       setName (data.name)
       setCategory (data.category as Category)
       setAliases (data.aliases.join (' '))
@@ -61,26 +65,37 @@ export default (() => {
 
   useEffect (() => {
     if (!(tag))
-      return
+      {
+	setDisabled (true)
+	return
+      }
 
     setName (tag.name)
     setCategory (tag.category as Category)
     setAliases (tag.aliases?.join (' '))
     setParentTags (tag.parents?.map (t => t.name).join (' '))
+    setDisabled (tag.category === 'nico')
   }, [tag])
 
   return (
       <MainArea>
 	{(loading || !(tag)) ? 'Loading...' : (
 	    <div className="max-w-xl">
-	      <PageTitle>{tag.name}</PageTitle>
+	      <PageTitle>
+		<TagLink
+		    tag={tag}
+		    withWiki={false}
+		    withCount={false}/>
+	      </PageTitle>
 
 	      <form onSubmit={handleSubmit} className="my-4 space-y-2">
 		{/* 名称 */}
 		<div>
 		  <Label>名称</Label>
+		  {/* TODO: 補完に対応させる */}
 		  <input
 		      type="text"
+		      disabled={disabled}
 		      value={name}
 		      onChange={e => setName (e.target.value)}
 		      className="w-full border p-2 rounded"/>
@@ -90,10 +105,12 @@ export default (() => {
 		<div>
 		  <Label>カテゴリ</Label>
 		  <select
+		      disabled={disabled}
 		      value={category ?? ''}
 		      onChange={e => setCategory(e.target.value as Category)}
 		      className="w-full border p-2 rounded">
-		    {CATEGORIES.filter (cat => cat !== 'nico').map (cat => (
+		    {CATEGORIES.filter (cat => tag.category === 'nico' || cat !== 'nico')
+			       .map (cat => (
 			<option key={cat} value={cat}>
 			  {CATEGORY_NAMES[cat]}
 			</option>))}
@@ -103,8 +120,10 @@ export default (() => {
 		{/* 別名 */}
 		<div>
 		  <Label>別名</Label>
+		  {/* TODO: 補完に対応させる */}
 		  <input
 		      type="text"
+		      disabled={disabled}
 		      value={aliases}
 		      onChange={e => setAliases (e.target.value)}
 		      className="w-full border p-2 rounded"/>
@@ -113,8 +132,10 @@ export default (() => {
 		{/* 上位タグ */}
 		<div>
 		  <Label>上位タグ</Label>
+		  {/* TODO: 補完に対応させる */}
 		  <input
 		      type="text"
+		      disabled={disabled}
 		      value={parentTags}
 		      onChange={e => setParentTags (e.target.value)}
 		      className="w-full border p-2 rounded"/>
@@ -123,7 +144,11 @@ export default (() => {
 		<div className="py-3">
 		  <button
 		      type="submit"
-		      className="bg-blue-500 text-white px-4 py-2 rounded">
+		      disabled={disabled}
+		      className={cn ('px-4 py-2 rounded',
+				     (disabled
+				      ? 'text-gray-300 bg-gray-500'
+				      : 'text-white bg-blue-500'))}>
 		    更新
 		  </button>
 		</div>

frontend/src/pages/tags/TagListPage.tsx

@@ -205,13 +205,15 @@ export default (() => {
 	{loading ? 'Loading...' : (results.length > 0 ? (
 	    <div className="mt-4">
 	      <div className="overflow-x-auto">
-		<table className="w-full min-w-[1200px] table-fixed border-collapse">
+		<table className="w-full min-w-[2000px] table-fixed border-collapse">
 		  <colgroup>
 		    <col className="w-72"/>
-		    <col className="w-48"/>
 		    <col className="w-16"/>
-		    <col className="w-44"/>
-		    <col className="w-44"/>
+		    <col className="w-48"/>
+		    <col className="w-72"/>
+		    <col className="w-48"/>
+		    <col className="w-56"/>
+		    <col className="w-56"/>
 		    <col className="w-16"/>
 		  </colgroup>
 
@@ -226,18 +228,20 @@ export default (() => {
 		      </th>
 		      <th className="p-2 text-left whitespace-nowrap">
 			<SortHeader<FetchTagsOrderField>
-			    by="category"
-			    label="カテゴリ"
+			    by="post_count"
+			    label="件数"
 			    currentOrder={order}
 			    defaultDirection={defaultDirection}/>
 		      </th>
 		      <th className="p-2 text-left whitespace-nowrap">
 			<SortHeader<FetchTagsOrderField>
-			    by="post_count"
-			    label="件数"
+			    by="category"
+			    label="カテゴリ"
 			    currentOrder={order}
 			    defaultDirection={defaultDirection}/>
 		      </th>
+		      <th className="p-2 text-left whitespace-nowrap">別名</th>
+		      <th className="p-2 text-left whitespace-nowrap">上位タグ</th>
 		      <th className="p-2 text-left whitespace-nowrap">
 			<SortHeader<FetchTagsOrderField>
 			    by="created_at"
@@ -262,11 +266,21 @@ export default (() => {
 			  <td className="p-2">
 			    <TagLink
 				tag={row}
-				to={`/tags/${ encodeURIComponent (row.name) }`}
+				to={`/tags/${ encodeURIComponent (row.id) }`}
 				withCount={false}/>
 			  </td>
-			  <td className="p-2">{CATEGORY_NAMES[row.category]}</td>
 			  <td className="p-2 text-right">{row.postCount}</td>
+			  <td className="p-2">{CATEGORY_NAMES[row.category]}</td>
+			  <td className="p-2">{row.aliases.join (' ')}</td>
+			  <td className="p-2">
+			    {row.parents.map (t => (
+				<span key={t.id} className="mr-2">
+				  <TagLink
+				      tag={t}
+				      withWiki={false}
+				      withCount={false}/>
+				</span>))}
+			  </td>
 			  <td className="p-2">{dateString (row.createdAt)}</td>
 			  <td className="p-2">{dateString (row.updatedAt)}</td>
 			  <td className="p-2">