Class: Moneypenny::Responders::Wikipedia

Inherits:
Object
  • Object
show all
Defined in:
lib/moneypenny/responders/wikipedia.rb

Class Method Summary collapse

Class Method Details

.help ⇒ Object 



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# File 'lib/moneypenny/responders/wikipedia.rb', line 8

def self.help
  [ 'what is Soap?', 'returns Wikipedia description for Soap' ]
end

.respond(message) ⇒ Object 



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# File 'lib/moneypenny/responders/wikipedia.rb', line 12

def self.respond(message)
  if (query = message.match(/\Awhat\ is\ (.+)(\?|)\z/i))
    query = query[1]
    agent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/13.0.782.107 Safari/535.1'
    response = open("http://en.wikipedia.org/w/api.php?action=opensearch&search=#{CGI::escape query}&format=xml&limit=1", 'User-Agent' => agent).read
    description = response.match(/\<Description\ xml\:space\=\"preserve\"\>(.+)\<\/Description\>/m)[1] rescue nil
    url         = response.match(/\<Url\ xml\:space\=\"preserve\"\>(.+)\<\/Url\>/m)[1]                 rescue nil
    if description
      description + " (#{url})"
    else
      "I couldn't find any information on #{query}."
    end
  else
    false
  end
end