A Ruby script to help make a list of all the beers at Untapped Fest Dallas 2013

untapped.rb

require 'nokogiri'
require 'open-uri'

doc = Nokogiri::HTML(open('http://dallasbrewscene.com/brewlist.html'))

#File.open("/home/kyle/Downloads/untapped.html", "w") { |io| io.write(doc) }

#breweries = doc.css('div#accordion h4').map { |e| e.text }
#beers = doc.css('div#accordion p').map { |e| e.text.split(', ') }
#tapList = Hash[breweries.zip(beers)]

breweries = []
beers = []
cideries = []
ciders = []
atCiders = false

# Iterate through so that ciders can be separated
doc.at('//div[@id=\'accordion\']').search('//h4 | //p | //h2[text() = \'Ciders\']').each { |node|
  case node.name
  when 'h4'
    if atCiders
      cideries.push node.text
    else
      breweries.push node.text
    end
  when 'p'
    if atCiders
      ciders.push node.text.split(', ')
    else
      beers.push node.text.split(', ')
    end
  when 'h2'
    atCiders = true
  else
    puts 'should never get here'
  end
}

tapList = Hash[breweries.zip(beers)]
ciderList = Hash[cideries.zip(ciders)]

builder = Nokogiri::HTML::Builder.new { |doc|
  doc.html {
    doc.head {
      doc.meta charset: 'UTF-8'
    }
    doc.body {
      doc.div "Brewery Count: #{breweries.size}"
      doc.div "Beer Count: #{beers.map{ |e| e.size }.reduce(:+)}"
      doc.div "Cidery Count: #{cideries.size}"
      doc.div "Cider Count: #{ciders.map{ |e| e.size }.reduce(:+)}"

      # Use spaces instead of a list because it works better when pasting into Google Doc
      doc.h2 'Beers'
      tapList.sort.each { |brewery, beer|
        doc.b brewery
        beer.each { |e| doc.div "    #{e}" }
      }

      doc.h2 'Ciders'
      ciderList.sort.each { |cidery, cider|
        doc.b cidery
        cider.each { |e| doc.div "    #{e}" }
      }
    }
  }
}

# Use gsub! to fix Nokogiri/libxml2's auto escaping of '&'
File.open('taplist.html', 'w') { |file| file.write(builder.to_html.gsub!(' ', ' ')) }

puts 'DONE!'