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45 lines
933 B
45 lines
933 B
5 years ago
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require "digest/sha1"
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require "open-uri"
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require "nokogiri"
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require "roda"
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module Rzz
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class App < Roda
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plugin :caching
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route do |r|
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r.get do
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r.is "test-gym" do
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url = "https://elemental.medium.com/feed/"
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xml = URI.open(url).read
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r.etag Digest::SHA1.hexdigest(xml)
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doc = Nokogiri::XML(xml)
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doc
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.xpath("/rss/channel/item")
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.select {|item| item.xpath("./category[text()='test-gym']").empty? }
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.each(&:remove)
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doc
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.xpath("/rss/channel/item")
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.each do |item|
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link = item.at_xpath("./link/text()").content
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item.at_xpath("./description/text()").content = URI.open(link).read
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end
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response.headers["Content-Type"] = "text/xml"
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doc.to_xml
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end
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end
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end
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end
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end
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if __FILE__ == $0
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require "pry"
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binding.pry
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end
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