module BeerAdvocate

get_beer_details_from_url(url) click to toggle source

Given a URL for a Beer Advocate beer page, returns a hash containing info about the beer, including ‘name`, `brewery`, `style`, `abv`, and `score`. Returns nil upon error.

# File lib/beer_advocate.rb, line 70
def get_beer_details_from_url(url)
  get_beer_details_from_url!(url) rescue nil
end

get_beer_details_from_url!(url) click to toggle source

Given a URL for a Beer Advocate beer page, returns a hash containing info about the beer, including ‘name`, `brewery`, `style`, `abv`, and `score`. Throws an exception if something goes wrong.

# File lib/beer_advocate.rb, line 36
def get_beer_details_from_url!(url)
  page = Nokogiri::HTML(open(url))

  table = page.css('#ba-content table')[1]

  beer_name = page.css('div.titleBar h1')[0].children[0].text

  beer_score = table.css('.ba-score').text

  beer_style = table.css('a').
    select {|tag| tag.attributes['href'].value.match(%r{^/beer/style/\d+/?$}) }.
    map {|tag| tag.text}.
    first

  beer_brewery = table.css('a').
    select {|tag| tag.attributes['href'].value.match(%r{^/beer/profile/\d+/?$}) }.
    map {|tag| tag.text}.
    first

  m = table.to_s.match(/ \| [^\d]{0,9} (\d+ \. \d+ \%) /x)
  beer_abv = m[1]

  {
    name: beer_name,
    score: beer_score,
    style: beer_style,
    abv: beer_abv,
    brewery: beer_brewery
  }
end

get_url(beer_name) click to toggle source

Given a beer name, returns the URL for the top Beer Advocate beer search result. Returns nil upon error.

# File lib/beer_advocate.rb, line 29
def get_url(beer_name)
  get_url!(beer_name) rescue nil
end

get_url!(beer_name) click to toggle source

Given a beer name, returns the URL for the top Beer Advocate beer search result. Throws an exception if something goes wrong.

# File lib/beer_advocate.rb, line 13
def get_url!(beer_name)
  search_url = "http://www.beeradvocate.com/search/?qt=beer&q=" +
    URI.escape(beer_name)

  page = Nokogiri::HTML(open(search_url))

  href = page.css('ul li a').
    map {|tag| tag.attributes['href'].text rescue nil}.
    select {|h| h && h.match(%r{^/beer/profile})}.
    first

  "http://www.beeradvocate.com" + href
end

Constants

Public Class Methods