my blog comments

hypothesis-rss.rb

require "httparty"
require 'json'
url = "https://hypothes.is/api/search?wildcard_uri=https://blog.oyanglul.us/*&sort=created"

HEADER = <<-EOXML
<?xml version="1.0"?>
<rss version="2.0"
     xmlns:atom="http://www.w3.org/2005/Atom"
     xmlns:dc="http://purl.org/dc/elements/1.1/">
  <channel>
    <title>Hypothesis Stream</title>
    <link>https://hypothes.is/stream</link>
    <atom:link href="https://hypothes.is/stream.rss" rel="self" type="application/rss+xml" />
    <description>The Web. Annotated</description>
    <pubDate>Wed, 07 Nov 2018 06:54:59 -0000</pubDate>
    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
EOXML

FOOTER = <<-EOXML
  </channel>
</rss>
EOXML

resp = HTTParty.get(url) 
items = JSON.parse(resp.body, symbolize_names: true)[:rows].map do |item|
  %Q{
   <item>
       <title><![CDATA[#{item.dig(:document, :title, 0) || item[:text][0..20]}]]></title>
       <description><![CDATA[#{item[:text]}]]></description>
       <pubDate>#{item[:created]}</pubDate>
       <guid isPermaLink="false">#{item[:id]}</guid>
       <link>#{item[:uri] + '#annotations:' + item[:id]}</link>
       <dc:creator><![CDATA[#{item[:user_info][:display_name] || item[:user]}]]></dc:creator>
    </item>
  }
end

{
  content_type: 'application/rss+xml',
  body: HEADER + items.join('') + FOOTER
}