Method: Market.fetch

Defined in:
lib/market.rb

.fetch(ticker, opts = {}) ⇒ Object 



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# File 'lib/market.rb', line 66

def fetch(ticker, opts = {})
  url = "http://finance.yahoo.com/q?s=%s" % ticker
  puts "Fetching #{url}..." if $VERBOSE

  doc = with_retry do
    Nokogiri::HTML.parse(get(url))
  end

  # Realtime last is at yfs_l90_sym, use if exists
  if opts[:try_rt]
    last = (doc.at_css("#yfs_l90_#{ticker.downcase}").text.to_f * 100) rescue nil
  end

  last ||= (doc.at_css("#yfs_l10_#{ticker.downcase}").text.to_f * 100)
  bid  = (doc.at_css("#yfs_b00_#{ticker.downcase}").text.to_f * 100) rescue 0
  ask  = (doc.at_css("#yfs_a00_#{ticker.downcase}").text.to_f * 100) rescue 0

  quote = Quote.new(
    :symbol => ticker, :last => last, :bid => bid, :ask => ask)

  if opts[:extra]
    name   = doc.at('h1').text.scan(/(.*) \([\w-]+\)$/).to_s # strip trailing (SYMBOL)
    mktcap = doc.at_css("#yfs_j10_#{ticker.downcase}").text rescue nil

    divyield = doc.at("#table2 .end td").text.scan(/\((.*)\)/).to_s.to_f rescue nil

    begin
      pe_row = doc.at("#table2 tr:nth-child(6)")
      pe_label, pe_data = pe_row.search("th,td").map{|e|e.text}

      unless pe_label =~ %r(P/E)
        puts "P/E label mismatch" 
        pe_data = nil
      end
    rescue
      # nothing
    end

    sector, industry = doc.search("#company_details a").map{|e|e.text} rescue nil

    quote.extra = {
      :name => name,
      :mktcap => mktcap,
      :divyield => divyield,
      :pe => pe_data.to_f,
      :sector => sector,
      :industry => industry
    }
  end

  puts quote.inspect if $VERBOSE

  quote
end