backend/app/representations/post_repr.rb

@@ -69,7 +69,12 @@ module PostRepr
     return nil unless post.thumbnail.attached?
 
     Rails.application.routes.url_helpers.rails_blob_url(post.thumbnail, only_path: false)
-  rescue
+  rescue ActionController::UrlGenerationError, ArgumentError, URI::InvalidURIError => e
+    Rails.logger.warn(
+        "PostRepr.thumbnail_url failed post_id=#{post.id} " \
+        "attachment_id=#{post.thumbnail.attachment&.id} " \
+        "blob_id=#{post.thumbnail.blob&.id} " \
+        "error_class=#{e.class} message=#{e.message}")
     nil
   end
 end

backend/config/environments/development.rb

@@ -36,7 +36,11 @@ Rails.application.configure do
   config.action_mailer.perform_caching = false
 
   # Set localhost to be used by links generated in mailer templates.
-  config.action_mailer.default_url_options = { host: "localhost", port: 3000 }
+  config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
+  Rails.application.routes.default_url_options.merge!(
+      host: 'localhost',
+      port: 3002,
+      protocol: 'http')
 
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log

frontend/src/pages/posts/PostImportReviewPage.tsx

@@ -826,9 +826,8 @@ const PostImportReviewPage: FC<Props> = ({ user }) => {
       : rows
   const existingRows = sortedRows.filter (row => isExistingSkipRow (row))
   const reviewRows = sortedRows.filter (row => !(isExistingSkipRow (row)))
-  const canSubmit =
-      rows.every (row => isCompletedReviewRow (row))
-      || processableImportRows (rows).length > 0
+  const processingRows = processableImportRows (rows)
+  const canSubmit = processingRows.length > 0
 
   const toggleManualSkip = async (sourceRow: number, checked: boolean) => {
     const currentSession = sessionRef.current
@@ -1089,19 +1088,13 @@ const PostImportReviewPage: FC<Props> = ({ user }) => {
 	|| submitting
 	|| busyRowIds.size > 0)
       return
-    if (currentSession.rows.every (row => isCompletedReviewRow (row)))
-      {
-	finishImport ()
-	return
-      }
+    const processingRows = processableImportRows (currentSession.rows)
+    if (processingRows.length === 0)
+      return
 
     setSubmitting (true)
     try
     {
-      const processingRows = processableImportRows (currentSession.rows)
-      if (processingRows.length === 0)
-	return
-
       const result = await apiPost<{ results: BulkApiRow[] }>(
 	  '/posts/bulk',
 	  buildBulkFormData (processingRows))
@@ -1216,7 +1209,9 @@ const PostImportReviewPage: FC<Props> = ({ user }) => {
 	    manualSkippedCount={counts.manualSkipped}
 	    existingSkippedCount={counts.existingSkipped}
 	    pendingOrErrorCount={counts.pendingOrError}
-	    onBack={() => navigate ('/posts/new')}
+	    onBack={() => navigate (location.state?.from === '/posts/new'
+				    ? '/posts/new'
+				    : (-1))}
 	    onSubmit={() => submit ()}/>
       </>)
 }
@@ -1251,7 +1246,7 @@ const PostImportFooter = (
 	  <span>作成対象 {creatableCount}件</span>
 	  <span>手動スキップ {manualSkippedCount}件</span>
 	  <span>既存投稿による自動スキップ {existingSkippedCount}件</span>
-	  <span>登録不可／未処理 {pendingOrErrorCount}件</span>
+	  <span>未処理 {pendingOrErrorCount}件</span>
 	</div>
 	<div className="flex flex-col gap-2 md:flex-row">
 	  <Button
@@ -1260,7 +1255,7 @@ const PostImportFooter = (
 	      className="w-full md:w-auto"
 	      onClick={onBack}
 	      disabled={submitting}>
-	    URL リスト入力へ戻る
+	    戻る
 	  </Button>
 	  <Button
 	      type="button"

frontend/src/pages/posts/PostImportSourcePage.tsx

@@ -258,7 +258,7 @@ const PostImportSourcePage: FC<Props> = ({ user }) => {
 
 	<Form className="max-w-4xl">
 	  <PageTitle>広場に投稿を追加</PageTitle>
-	  <FormField label="URL リスト">
+	  <FormField label="URL リスト（1 行 1 URL）">
 	    {() => (
 		<TextArea
 		    value={source}