#399

backend/app/services/post_import_previewer.rb

@@ -22,13 +22,20 @@ class PostImportPreviewer
       tag_sources = row[:tag_sources]&.stringify_keys || initial_tag_sources(attributes, provenance)
       tag_sources['manual'] = attributes['tags'].to_s if provenance['tags'] == 'manual'
       url = row[:url].presence || values[@url_column].to_s.strip
-      url_changed = row[:metadata_url].present? && row[:metadata_url] != url
+      url_for_metadata = normalised_url(url) || url
+      url_changed = row[:metadata_url].present? && row[:metadata_url] != url_for_metadata
       clear_automatic_values!(attributes, provenance, tag_sources) if url_changed
       provenance['url'] ||= row[:url].present? ? 'manual' : 'mapped'
       attributes['url'] = url
       fetch_warnings = Array(row[:fetch_warnings]).dup
-      should_fetch = fetch_metadata == true || fetch_metadata.to_i == row[:source_row].to_i
-      metadata, fetch_warnings = metadata_for(url, should_fetch, metadata_cache, fetch_warnings)
+      should_fetch =
+          case fetch_metadata
+          when true then true
+          when Integer then fetch_metadata == row[:source_row].to_i
+          when false, nil then false
+          else raise ArgumentError, 'メタデータ取得対象が不正です．'
+          end
+      metadata, fetch_warnings = metadata_for(url_for_metadata, should_fetch, metadata_cache, fetch_warnings)
       metadata.each do |field, value|
         if field == 'tags' && provenance[field] != 'manual'
           tag_sources['automatic'] = value.to_s
@@ -56,9 +63,9 @@ class PostImportPreviewer
       attributes.delete('url')
       attributes['tags'] = merged_tags(tag_sources, provenance['tags'])
       { source_row: row[:source_row], url: normal_url || url, attributes:, provenance:, tag_sources:,
-        metadata_url: url,
+        metadata_url: url_for_metadata,
         fetch_warnings:, validation_warnings:, warnings: fetch_warnings + validation_warnings,
-        validation_errors: errors, errors:,
+        validation_errors: errors,
         status: errors.present? ? 'error' : ((fetch_warnings + validation_warnings).present? ? 'warning' : 'ready'),
         existing: normal_url.present? && Post.exists?(url: normal_url) }
     end
@@ -70,6 +77,12 @@ class PostImportPreviewer
     cache[url] ||= fetch_metadata(url)
   end
 
+  def normalised_url value
+    post = Post.new(url: value)
+    post.valid?
+    post.url if post.errors[:url].empty?
+  end
+
   private
 
   def mapped_value field, values

backend/app/services/post_import_runner.rb

@@ -30,7 +30,10 @@ class PostImportRunner
                                                    attributes:, provenance: row['provenance'],
                                                    tag_sources: row['tag_sources'] }],
                                           fetch_metadata: false).first
-    return { source_row: row['source_row'], status: 'failed', errors: preview[:errors] } if preview[:errors].present?
+    if preview[:validation_errors].present?
+      return { source_row: row['source_row'], status: 'failed',
+               errors: preview[:validation_errors] }
+    end
     return row.slice('source_row').merge(status: 'skipped') if @existing == 'skip' && preview[:existing]
     attributes['tags'] = preview[:attributes]['tags']
     attributes['url'] = row['url']