41 lines
930 B
Ruby
41 lines
930 B
Ruby
class StoryCacher
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cattr_accessor :DIFFBOT_API_KEY
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# this needs to be overridden in config/initializers/production.rb
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@@DIFFBOT_API_KEY = nil
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DIFFBOT_API_URL = "http://www.diffbot.com/api/article"
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def self.get_story_text(url)
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if !@@DIFFBOT_API_KEY
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return
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end
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# XXX: diffbot tries to read pdfs as text, so disable for now
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if url.to_s.match(/\.pdf$/i)
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return nil
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end
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db_url = "#{DIFFBOT_API_URL}?token=#{@@DIFFBOT_API_KEY}&url=" <<
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CGI.escape(url)
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begin
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s = Sponge.new
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# we're not doing this interactively, so take a while
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s.timeout = 45
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res = s.fetch(db_url)
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if res.present?
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j = JSON.parse(res)
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# turn newlines into double newlines, so they become paragraphs
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return j["text"].gsub("\n", "\n\n")
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end
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rescue => e
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Rails.logger.error "error fetching #{db_url}: #{e.message}"
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end
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nil
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end
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end
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