AI: address issue #170

Reviewed-on: #452
Co-authored-by: miteruzo <miteruzo@naver.com>

frontend/src/components/PostEditForm.tsx

@@ -1,6 +1,8 @@
+import { useQuery } from '@tanstack/react-query'
 import { useEffect, useMemo, useState } from 'react'
 
 import { useLocale } from '@/lib/useLocale'
+import PostList from '@/components/PostList'
 import PostOriginalCreatedTimeField from '@/components/PostOriginalCreatedTimeField'
 import FieldError from '@/components/common/FieldError'
 import PostDurationField from '@/components/posts/PostDurationField'
@@ -10,14 +12,15 @@ import { Button } from '@/components/ui/button'
 import { toast } from '@/components/ui/use-toast'
 import { isApiError } from '@/lib/api'
 import useDialogue from '@/lib/dialogues/useDialogue'
-import { updatePost } from '@/lib/posts'
+import { fetchPosts, updatePost } from '@/lib/posts'
+import { postsKeys } from '@/lib/queryKeys'
 import { msToTime } from '@/lib/utils'
 import { useValidationErrors } from '@/lib/useValidationErrors'
 import { useUITranslation } from '@/lib/useUITranslation'
 
 import type { FC, FormEvent } from 'react'
 
-import type { Post, TagWithSections } from '@/types'
+import type { FetchPostsParams, Post, TagWithSections } from '@/types'
 
 type PostFormField =
     'parentPostIds' | 'tags' | 'videoMs'
@@ -68,6 +71,33 @@ const PostEditForm: FC<Props> = ({ post, onSave }) => {
   const [tags, setTags] = useState<string> (() => tagsToStr (post.tags))
   const [title, setTitle] = useState (post.title)
 
+  const [importVisible, setImportVisible] = useState (false)
+  const [sourceTitle, setSourceTitle] = useState ('')
+  const [sourcePage, setSourcePage] = useState (1)
+  const sourceParams: FetchPostsParams = {
+      title: sourceTitle, page: sourcePage, limit: 20,
+      url: '', tags: '', match: 'all', order: 'original_created_at:desc',
+      originalCreatedFrom: '', originalCreatedTo: '',
+      createdFrom: '', createdTo: '', updatedFrom: '', updatedTo: '' }
+  const { data: sources, isError: sourceError } = useQuery ({
+      queryKey: postsKeys.index (sourceParams, locale),
+      queryFn: () => fetchPosts (sourceParams, locale),
+      enabled: importVisible && !disabled })
+
+  const importTags = (source: Post) => {
+    if (disabled)
+      return
+    setTags (current => {
+      const existing = new Set (current.split (/\s+/))
+      const additions = tagsToStr (source.tags).split (/\s+/)
+	  .filter (tag => tag !== '' && !existing.has (tag))
+      return additions.length > 0
+	  ? `${current}${current.trim () === '' ? '' : ' '}${additions.join (' ')}`
+	  : current
+    })
+    setImportVisible (false)
+  }
+
   const videoFlg =
       useMemo (() => tags.split (/\s+/).some (tag => tag.replace (/\[.*\]$/, '') === '動画'),
 	       [tags])
@@ -192,6 +222,48 @@ const PostEditForm: FC<Props> = ({ post, onSave }) => {
 	    setTags={setTags}
 	    errors={fieldErrors.tags}/>
 
+	<Button
+	    type="button"
+	    variant="outline"
+	    disabled={disabled}
+	    aria-expanded={importVisible}
+	    onClick={() => setImportVisible (visible => !visible)}>
+	  {label ('edit.import')}
+	</Button>
+	{importVisible && (
+	    <div className="space-y-2" onKeyDown={event => {
+	      if (event.key === 'Enter' && event.target instanceof HTMLInputElement)
+		event.preventDefault ()
+	    }}>
+	      <PostTextField
+		  label={label ('shared:labels.title')}
+		  type="search"
+		  value={sourceTitle}
+		  disabled={disabled}
+		  onChange={value => {
+		    setSourceTitle (value)
+		    setSourcePage (1)
+		  }}/>
+	      <FieldError messages={sourceError ? [label ('common:fetchError')] : []}/>
+	      {!disabled && <PostList posts={sources?.posts ?? []} onSelect={importTags}/>}
+	      <div className="flex flex-col gap-2 md:flex-row">
+		<Button
+		    type="button"
+		    variant="outline"
+		    disabled={disabled || sourcePage <= 1}
+		    onClick={() => setSourcePage (page => page - 1)}>
+		  {label ('common:pagination.previous')}
+		</Button>
+		<Button
+		    type="button"
+		    variant="outline"
+		    disabled={disabled || sourcePage * 20 >= (sources?.count ?? 0)}
+		    onClick={() => setSourcePage (page => page + 1)}>
+		  {label ('common:pagination.next')}
+		</Button>
+	      </div>
+	    </div>)}
+
 	{/* オリジナルの作成日時 */}
 	<PostOriginalCreatedTimeField
 	    disabled={disabled}

frontend/src/components/PostList.tsx

@@ -3,6 +3,7 @@ import { useRef } from 'react'
 import { useLocation } from 'react-router-dom'
 
 import PrefetchLink from '@/components/PrefetchLink'
+import { Button } from '@/components/ui/button'
 import { useUITranslation } from '@/lib/useUITranslation'
 import { useClientBehaviourSettings } from '@/lib/useClientBehaviourSettings'
 import { cn } from '@/lib/utils'
@@ -13,10 +14,11 @@ import type { FC, MouseEvent } from 'react'
 import type { Post } from '@/types'
 
 type Props = { posts:     Post[]
+	       onSelect?: (post: Post) => void
 	       onClick?:  (event: MouseEvent<HTMLElement>) => void }
 
 
-const PostList: FC<Props> = ({ posts, onClick }) => {
+const PostList: FC<Props> = ({ posts, onClick, onSelect }) => {
   const { label } = useUITranslation ('shared')
   const location = useLocation ()
   const behaviourSettings = useClientBehaviourSettings ()
@@ -39,7 +41,63 @@ const PostList: FC<Props> = ({ posts, onClick }) => {
 	  const sharedId = `page-${ post.id }`
 	  const layoutId = sharedId
 
-	  return (
+	  const card = (
+	      <motion.div
+		  ref={cardRef}
+		  layout={animationMode === 'off' ? false : true}
+		  layoutId={(onSelect || animationMode === 'off') ? undefined : layoutId}
+		  className={cn ('w-full h-full overflow-hidden rounded-xl shadow',
+				 'transform-gpu will-change-transform',
+				 (post.childPosts ?? []).length > 0 && 'ring-4 ring-green-500',
+				 (post.parentPosts ?? []).length > 0 && 'ring-4 ring-yellow-500')}
+		  whileHover={{ scale: 1.02 }}
+		  onLayoutAnimationStart={() => {
+		    if (!(cardRef.current))
+		      return
+
+		    cardRef.current.style.position = 'relative'
+		    cardRef.current.style.zIndex = '9999'
+		  }}
+		  onLayoutAnimationComplete={() => {
+		    if (!(cardRef.current))
+		      return
+
+		    cardRef.current.style.zIndex = ''
+		    cardRef.current.style.position = ''
+		  }}
+		  transition={{ layout: cardLayoutTransition }}>
+		{thumbnailMode === 'off'
+		 ? (
+		    <div className="flex h-full w-full items-center justify-center
+				    bg-muted text-center text-xs text-muted-foreground">
+		      {label ('labels.noThumbnail')}
+		    </div>)
+		 : (
+		    <img
+			src={post.thumbnail || post.thumbnailBase || undefined}
+			alt={post.title || post.url}
+			title={post.title || post.url || undefined}
+			loading={
+			    thumbnailMode === 'light'
+			    ? 'lazy'
+			    : (i < 12 ? 'eager' : 'lazy')
+			}
+			decoding="async"
+			className="object-cover w-full h-full"/>)}
+	      </motion.div>)
+
+	  return onSelect
+	  ? (
+	      <Button
+		  key={post.id}
+		  type="button"
+		  variant="ghost"
+		  className="w-40 h-40 p-0"
+		  aria-label={post.title || post.url}
+		  onClick={() => onSelect (post)}>
+		{card}
+	      </Button>)
+	  : (
 	      <PrefetchLink
 		  to={`/posts/${ post.id }`}
 		  key={post.id}
@@ -49,51 +107,7 @@ const PostList: FC<Props> = ({ posts, onClick }) => {
 		    setForLocationKey (location.key, sharedId)
 		    onClick?.(e)
 		  }}>
-		<motion.div
-		    ref={cardRef}
-		    layout={animationMode === 'off' ? false : true}
-		    layoutId={animationMode === 'off' ? undefined : layoutId}
-		    className={cn ('w-full h-full overflow-hidden rounded-xl shadow',
-				   'transform-gpu will-change-transform',
-				   (post.childPosts ?? []).length > 0 && 'ring-4 ring-green-500',
-				   (post.parentPosts ?? []).length > 0 && 'ring-4 ring-yellow-500')}
-		    whileHover={{ scale: 1.02 }}
-		    onLayoutAnimationStart={() => {
-		      if (!(cardRef.current))
-			return
-
-		      cardRef.current.style.position = 'relative'
-		      cardRef.current.style.zIndex = '9999'
-		    }}
-		    onLayoutAnimationComplete={() => {
-		      if (!(cardRef.current))
-			return
-
-		      cardRef.current.style.zIndex = ''
-		      cardRef.current.style.position = ''
-		    }}
-		    transition={{ layout: cardLayoutTransition }}>
-		  {thumbnailMode === 'off'
-		   ? (
-		      <div className="flex h-full w-full items-center justify-center
-				      bg-muted text-center text-xs text-muted-foreground">
-			{label ('labels.noThumbnail')}
-		      </div>)
-		   : (
-		      <img
-			  src={post.thumbnail || post.thumbnailBase || undefined}
-			  alt={post.title || post.url}
-			  title={post.title || post.url || undefined}
-			  loading={
-			      thumbnailMode === 'light'
-			      ? 'lazy'
-			      : i < 12
-				? 'eager'
-				: 'lazy'
-			  }
-			  decoding="async"
-			  className="object-cover w-full h-full"/>)}
-		</motion.div>
+		{card}
 	      </PrefetchLink>)
 	})}
       </div>)

frontend/src/components/TagSearch.test.tsx

@@ -0,0 +1,120 @@
+import { fireEvent, screen } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import { useLocation } from 'react-router-dom'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+import TagSearch from '@/components/TagSearch'
+import * as api from '@/lib/api'
+import { buildTag } from '@/test/factories'
+import { renderWithProviders } from '@/test/render'
+
+
+const LocationOutput = () => {
+  const location = useLocation ()
+  return <output data-testid="location">{location.pathname}{location.search}</output>
+}
+
+
+const renderSearch = () => renderWithProviders (
+    <>
+      <TagSearch/>
+      <LocationOutput/>
+    </>, { route: '/ja/posts?page=3' })
+
+
+describe ('TagSearch', () => {
+  beforeEach (() => {
+    vi.spyOn (api, 'apiGet').mockResolvedValue ([])
+  })
+
+  it ('searches through native submission without an Enter key event', () => {
+    renderSearch ()
+    const input = screen.getByRole<HTMLInputElement> ('textbox')
+    fireEvent.change (input, { target: { value: '虹夏 not:TEST type:or' } })
+
+    expect (input.form).toBeInstanceOf (HTMLFormElement)
+    fireEvent.submit (input.form!)
+
+    const query = new URLSearchParams ({ tags: '虹夏 not:test', match: 'any' })
+    expect (screen.getByTestId ('location')).toHaveTextContent (
+	`/ja/posts?${ query }`)
+    expect (input).toHaveValue ('虹夏 not:test type:or')
+  })
+
+  it ('requests a search action from the software keyboard', () => {
+    renderSearch ()
+
+    expect (screen.getByRole ('textbox')).toHaveAttribute ('enterkeyhint', 'search')
+  })
+
+  it ('searches through the form when Enter is pressed', async () => {
+    const user = userEvent.setup ()
+    renderSearch ()
+
+    await user.type (screen.getByRole ('textbox'), '虹夏{Enter}')
+
+    const query = new URLSearchParams ({ tags: '虹夏', match: 'all' })
+    expect (screen.getByTestId ('location')).toHaveTextContent (
+	`/ja/posts?${ query }`)
+  })
+
+  it.each ([
+      { label: 'composition flag', composing: true, keyCode: 13 },
+      { label: 'legacy IME code', composing: false, keyCode: 229 }]) (
+      'cancels confirmation Enter with $label', ({ composing, keyCode }) => {
+    renderSearch ()
+    const input = screen.getByRole ('textbox')
+    fireEvent.change (input, { target: { value: '虹夏' } })
+    const uncancelled = fireEvent.keyDown (input, {
+	key: 'Enter', isComposing: composing, keyCode })
+
+    expect (uncancelled).toBe (false)
+    expect (screen.getByTestId ('location')).toHaveTextContent ('/ja/posts?page=3')
+    expect (input).toHaveValue ('虹夏')
+  })
+
+  it ('cancels Enter throughout composition even without keyboard IME flags', () => {
+    renderSearch ()
+    const input = screen.getByRole ('textbox')
+    fireEvent.compositionStart (input)
+    fireEvent.change (input, { target: { value: '虹夏' } })
+    const uncancelled = fireEvent.keyDown (input, {
+	key: 'Enter', isComposing: false, keyCode: 13 })
+
+    expect (uncancelled).toBe (false)
+    expect (screen.getByTestId ('location')).toHaveTextContent ('/ja/posts?page=3')
+    expect (input).toHaveValue ('虹夏')
+  })
+
+  it ('blocks direct submission during composition and allows it after confirmation', () => {
+    renderSearch ()
+    const input = screen.getByRole<HTMLInputElement> ('textbox')
+    fireEvent.compositionStart (input)
+    fireEvent.change (input, { target: { value: '虹夏' } })
+    fireEvent.submit (input.form!)
+
+    expect (screen.getByTestId ('location')).toHaveTextContent ('/ja/posts?page=3')
+    expect (input).toHaveValue ('虹夏')
+
+    fireEvent.compositionEnd (input)
+    fireEvent.submit (input.form!)
+
+    const query = new URLSearchParams ({ tags: '虹夏', match: 'all' })
+    expect (screen.getByTestId ('location')).toHaveTextContent (
+	`/ja/posts?${ query }`)
+  })
+
+  it ('selects the active suggestion without submitting the form', async () => {
+    vi.mocked (api.apiGet).mockResolvedValue ([buildTag ({ name: '虹夏' })])
+    const user = userEvent.setup ()
+    renderSearch ()
+
+    await user.type (screen.getByRole ('textbox'), '虹')
+    await screen.findByText ('虹夏')
+    await user.keyboard ('{ArrowDown}{Enter}')
+
+    expect (screen.getByRole ('textbox')).toHaveValue ('虹夏 ')
+    expect (screen.getByTestId ('location')).toHaveTextContent ('/ja/posts?page=3')
+    expect (screen.queryByText ('虹夏')).not.toBeInTheDocument ()
+  })
+})

frontend/src/components/TagSearch.tsx

@@ -1,6 +1,6 @@
 // TODO: タグ入力系すべてに同様の処理あるため共通化する．
 
-import { useEffect, useState } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import { useLocation } from 'react-router-dom'
 
 import { useLocale, useLocaleNavigate } from '@/lib/useLocale'
@@ -10,7 +10,7 @@ import { inputClass } from '@/lib/utils'
 
 import TagSearchBox from './TagSearchBox'
 
-import type { ChangeEvent, FC, KeyboardEvent } from 'react'
+import type { ChangeEvent, FC, FormEvent, KeyboardEvent } from 'react'
 
 import type { Tag } from '@/types'
 
@@ -20,6 +20,7 @@ const TagSearch: FC = () => {
   const locale = useLocale ()
   const location = useLocation ()
   const navigate = useLocaleNavigate ()
+  const compositionFlgRef = useRef (false)
 
   const [activeIndex, setActiveIndex] = useState (-1)
   const [search, setSearch] = useState ('')
@@ -74,7 +75,34 @@ const TagSearch: FC = () => {
     setSuggestionsVsbl (false)
   }, [locale])
 
+  const handleSubmit = (ev: FormEvent<HTMLFormElement>) => {
+    ev.preventDefault ()
+    if (compositionFlgRef.current)
+      return
+
+    const parts = search.split (' ')
+    const match =
+	parts.map (t => t.toLowerCase ()).includes ('type:or') ? 'any' : 'all'
+    navigate (`/posts?${
+	(new URLSearchParams ({
+	    tags: parts.map (t => t.toLowerCase ())
+		       .filter (t => t !== 'type:or')
+		       .join (' '),
+	    match })).toString () }`)
+    setSuggestionsVsbl (false)
+    setRequest ({ query: '' })
+  }
+
   const handleKeyDown = (ev: KeyboardEvent<HTMLInputElement>) => {
+    if (compositionFlgRef.current
+	|| ev.nativeEvent.isComposing
+	|| ev.nativeEvent.keyCode === 229)
+    {
+      if (ev.key === 'Enter')
+	ev.preventDefault ()
+      return
+    }
+
     switch (ev.key)
     {
     case 'ArrowDown':
@@ -90,13 +118,12 @@ const TagSearch: FC = () => {
       break
 
     case 'Enter':
-      if (activeIndex < 0)
-	break
-      ev.preventDefault ()
       {
-	const selected = suggestions[activeIndex]
-	if (selected)
-	  handleTagSelect (selected)
+	const selected = suggestionsVsbl ? suggestions[activeIndex] : null
+	if (selected == null)
+	  break
+	ev.preventDefault ()
+	handleTagSelect (selected)
       }
       break
 
@@ -105,20 +132,6 @@ const TagSearch: FC = () => {
       setSuggestionsVsbl (false)
       break
     }
-    if (ev.key === 'Enter' && (!(suggestionsVsbl) || activeIndex < 0))
-      {
-	const parts = search.split (' ')
-	const match = parts.map (t => t.toLowerCase ()).includes ('type:or') ? 'any' : 'all'
-	navigate (`/posts?${
-	    (new URLSearchParams ({
-		tags: parts.map (t => t.toLowerCase ())
-			   .filter (t => t !== 'type:or')
-			   .join (' '),
-		match }))
-	    .toString () }`)
-	setSuggestionsVsbl (false)
-	setRequest ({ query: '' })
-      }
   }
 
   const handleTagSelect = (tag: Tag) => {
@@ -144,8 +157,9 @@ const TagSearch: FC = () => {
   }, [location.search])
 
   return (
-      <div className="relative w-full">
+      <form onSubmit={handleSubmit} className="relative w-full">
 	<input type="text"
+	       enterKeyHint="search"
 	       data-shortcut-focus-search="true"
 	       placeholder={message ('labels.tagSearch').text}
 	       value={search}
@@ -153,12 +167,18 @@ const TagSearch: FC = () => {
 	       onFocus={() => setSuggestionsVsbl (true)}
 	       onBlur={() => setSuggestionsVsbl (false)}
 	       onKeyDown={handleKeyDown}
+	       onCompositionStart={() => {
+		 compositionFlgRef.current = true
+	       }}
+	       onCompositionEnd={() => {
+		 compositionFlgRef.current = false
+	       }}
 	       className={inputClass (false,
 				      'px-3 py-2 dark:border-gray-600 dark:bg-gray-800 dark:text-white')}/>
 	<TagSearchBox suggestions={suggestionsVsbl && suggestions.length ? suggestions : [] as Tag[]}
 		      activeIndex={activeIndex}
 		      onSelect={handleTagSelect}/>
-      </div>)
+      </form>)
 }
 
 export default TagSearch

frontend/src/locales/ain-Kana/posts.json

@@ -1,4 +1,5 @@
 {
+  "_untranslated": ["edit.import"],
   "list": {
     "tagline": "{{brand}}",
     "empty": "ミンタㇻ　タ　ネン　カ　イサㇺ",
@@ -31,6 +32,7 @@
     "showExternal": "ソイタㇰ　ソㇱ　アヌカレ"
   },
   "edit": {
+    "import": "インポート",
     "validationFailed": "アシㇼ　カㇻ　カ　エアイカㇷ゚……",
     "conflictTitle": "モㇱマ　クㇽ　アシㇼ　カㇻ　ワ　アン！",
     "conflictDescription": "モㇱマ　イカㇻ　クㇽ　エエトコ　アシㇼ　カㇻ　ワ　アン。",

frontend/src/locales/ja/posts.json

@@ -22,6 +22,7 @@
     "question": "表示しますか?", "showExternal": "外部ページを表示"
   },
   "edit": {
+    "import": "インポート",
     "validationFailed": "更新はできなかったよ……",
     "conflictTitle": "競合が発生しました．",
     "conflictDescription": "ほかの耕作員が先に更新してゐます．",