#246

backend/lib/tasks/sync_nico.rake

@@ -47,11 +47,18 @@ namespace :nico do
       code = datum['code']
       post = Post.where('url REGEXP ?', "nicovideo\\.jp/watch/#{ Regexp.escape(code) }([^0-9]|$)")
                  .first
-      unless post
-        title = datum['title']
+      title = datum['title']
+      original_created_at = datum['uploaded_at'] && Time.iso8601(datum['uploaded_at'])
+      original_created_from = original_created_at&.change(sec: 0)
+      original_created_before = original_created_from&.+(1.minute)
+      if post
+        attrs = { title:, original_created_from:, original_created_before: }
+        post.update!(attrs) if attrs.any? { |k, v| post.public_send(k) != v }
+      else
         url = "https://www.nicovideo.jp/watch/#{ code }"
         thumbnail_base = fetch_thumbnail.(url) rescue nil
-        post = Post.new(title:, url:, thumbnail_base:, uploaded_user: nil)
+        post = Post.new(title:, url:, thumbnail_base:, uploaded_user: nil,
+                        original_created_from:, original_created_before:)
         if thumbnail_base.present?
           post.thumbnail.attach(
               io:           URI.open(thumbnail_base),