# app/views/rss/feed.rss.builder
xml.instruct! :xml, version: "1.0"
xml.rss version: "2.0",
        "xmlns:atom" => "http://www.w3.org/2005/Atom" do
  xml.channel do
    xml.title "Today AI Weather Art"
    xml.description "Daily AI-generated weather art and forecasts"
    xml.link root_url
    xml.language "en"
    xml.atom :link, href: rss_feed_url(format: :rss), rel: "self", type: "application/rss+xml"

    @weather_arts.each do |art|
      xml.item do
        xml.title "#{art.city.full_name}  Weather Art"
        xml.description art.description
        xml.pubDate art.created_at.to_fs(:rfc822)
        xml.link city_weather_art_url(art.city, art)
        xml.guid city_weather_art_url(art.city, art)
        # 如果有图片，添加图片链接
        xml.enclosure url: rails_blob_url(art.webp_image.processed), type: "image/jpeg" if art.image.attached?
      end
    end
  end
end