invidious.cr

      when "import_youtube"
        filename = part.filename || ""
        extension = filename.split(".").last

        if extension == "xml" && (type == "application/xml" || type == "text/xml")
          subscriptions = XML.parse(body)
          user.subscriptions += subscriptions.xpath_nodes(%q(//outline[@type="rss"])).map do |channel|
            channel["xmlUrl"].match(/UC[a-zA-Z0-9_-]{22}/).not_nil![0]
          end
        elsif extension == "json" && type == "application/json"
          subscriptions = JSON.parse(body)
          user.subscriptions += subscriptions.as_a.compact_map do |entry|
            entry["snippet"]["resourceId"]["channelId"].as_s
          end
        elsif extension == "csv" && type == "text/csv"
          subscriptions = parse_subscription_export_csv(body)
          user.subscriptions += subscriptions
        else
          next error_template(400, "Invalid subscription file uploaded")
        end