class Mwkrom::BlogReader
Copyright© MW Krom LLC, All Rights Reserved
Attributes
expires_in[RW]
feed_url[RW]
key[RW]
Public Instance Methods
articles_for(tags)
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# File lib/mwkrom/blog_reader.rb, line 12 def articles_for(tags) ActiveSupport::JSON.decode(json_articles_for(tags)) end
internal_articles_for(tags)
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# File lib/mwkrom/blog_reader.rb, line 28 def internal_articles_for(tags) d = latest_feed_dom if d.blank? # bad connection; empty data; etc. return [] end items = (d/:item).select do |item| tags.empty? || ((item/:category).any? {|x| tags.include?(x.inner_text)}) end items.map do |item| {:url => item.at('link').inner_html, :title => item.at('title').inner_html, :pubDate => (item.at('pubDate') && item.at('pubDate').inner_html), :creator => (item.at('dc:creator') && item.at('dc:creator').inner_html), :description => item.at('description').inner_text} end end
json_articles_for(tags)
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# File lib/mwkrom/blog_reader.rb, line 16 def json_articles_for(tags) tkey = tags.join(":").gsub(' ', '') cache_key = "blog_reader_tags:#{tkey}:#{key}" Rails.cache.fetch(cache_key, :expires_in => use_expires_in) do json_internal_articles_for(tags) end end
json_internal_articles_for(tags)
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# File lib/mwkrom/blog_reader.rb, line 24 def json_internal_articles_for(tags) internal_articles_for(tags).to_json end
latest_feed_dom()
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# File lib/mwkrom/blog_reader.rb, line 57 def latest_feed_dom latest_feed_xml.present? && Hpricot::XML(latest_feed_xml) end
latest_feed_xml()
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# File lib/mwkrom/blog_reader.rb, line 45 def latest_feed_xml cache_key = "blog_reader_all:#{key}" Rails.cache.fetch(cache_key, :expires_in => use_expires_in) do begin res = Net::HTTP.get_response(URI.parse(feed_url)) res && res.body rescue Errno::ECONNREFUSED => e "" end end end
use_expires_in()
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# File lib/mwkrom/blog_reader.rb, line 8 def use_expires_in expires_in || 10.minutes end