AI: address issue #401

frontend/src/components/PostEditForm.tsx

@@ -3,6 +3,7 @@ import { useEffect, useMemo, useState } from 'react'
 import { useLocale } from '@/lib/useLocale'
 import PostOriginalCreatedTimeField from '@/components/PostOriginalCreatedTimeField'
 import FieldError from '@/components/common/FieldError'
+import FieldWarning from '@/components/common/FieldWarning'
 import PostDurationField from '@/components/posts/PostDurationField'
 import PostTagsField from '@/components/posts/PostTagsField'
 import PostTextField from '@/components/posts/PostTextField'
@@ -172,6 +173,9 @@ const PostEditForm: FC<Props> = ({ post, onSave }) => {
   return (
       <form onSubmit={handleSubmit} className="max-w-xl pt-2 space-y-4">
 	<FieldError messages={baseErrors}/>
+	{!(post.thumbnail?.trim () || post.thumbnailBase?.trim ()) && (
+	    <FieldWarning
+		messages={[label ('shared:labels.thumbnailMissing')]}/>)}
 
 	<PostTextField
 	    label={label ('shared:labels.title')}

frontend/src/components/PostEmbed.tsx

@@ -177,39 +177,6 @@ const PostEmbed: FC<Props> = (
 	      onError={onError}/>)
     }
 
-  case 'pixiv.net':
-    {
-      if (url.hostname !== 'pixiv.net' && url.hostname !== 'www.pixiv.net')
-	break
-
-      const artworkId =
-	  url.pathname === '/member_illust.php'
-	  ? url.searchParams.get ('illust_id')
-	  : url.pathname.match (
-	      /^\/(?:[a-z]{2}(?:-[A-Za-z]{2})?\/)?artworks\/(\d+)\/?$/)?.[1]
-
-      if (!(artworkId) || !(/^\d+$/.test (artworkId)))
-	break
-
-      if (embedAutoLoadMode === 'off')
-	return externalLink
-      if (shouldLoadEmbed === false)
-	return manualLoadControl
-
-      const embedUrl =
-	  `https://embed.pixiv.net/oembed_iframe.php?type=illust&id=${ artworkId }`
-
-      return (
-	  <iframe
-	      src={embedUrl}
-	      title={post.title || post.url}
-	      width={600}
-	      height={315}
-	      style={{ border: 0 }}
-	      loading="lazy"
-	      className="max-w-full"/>)
-    }
-
   case 'twitter.com':
   case 'x.com':
     {