b641d0232d
allow manual caching of story text using diffbot, if an api key is configured and Story#fetch_story_cache! is called
36 lines
805 B
Ruby
36 lines
805 B
Ruby
class StoryCacher
|
|
cattr_accessor :DIFFBOT_API_KEY
|
|
|
|
# this needs to be overridden in config/initializers/production.rb
|
|
@@DIFFBOT_API_KEY = nil
|
|
|
|
DIFFBOT_API_URL = "http://www.diffbot.com/api/article"
|
|
|
|
def self.get_story_text(url)
|
|
if !@@DIFFBOT_API_KEY
|
|
return
|
|
end
|
|
|
|
db_url = "#{DIFFBOT_API_URL}?token=#{@@DIFFBOT_API_KEY}&url=" <<
|
|
CGI.escape(url)
|
|
|
|
begin
|
|
s = Sponge.new
|
|
# we're not doing this interactively, so take a while
|
|
s.timeout = 20
|
|
res = s.fetch(db_url)
|
|
if res.present?
|
|
j = JSON.parse(res)
|
|
|
|
# turn newlines into double newlines, so they become paragraphs
|
|
return j["text"].gsub("\n", "\n\n")
|
|
end
|
|
|
|
rescue => e
|
|
Rails.logger.error "error fetching #{db_url}: #{e.message}"
|
|
end
|
|
|
|
nil
|
|
end
|
|
end
|