Class: FindArt::WalMart

Inherits:
Scraper show all
Defined in:
lib/FindArt/scrapers/walmart.rb

Instance Method Summary collapse

Methods inherited from Scraper

#find_art, register_scraper, registerd_sites, #scrapers, unregister_scrapers!

Instance Method Details

#extract_art(doc) ⇒ Object

Extracts album art url from wallmart product page



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# File 'lib/FindArt/scrapers/walmart.rb', line 28

def extract_art(doc)
   url = nil
   element =  doc.at("* div[@class='LargeItemPhoto150'] a[@href^=javascript]")
    href = element["href"] if !element.nil? && !element["href"].nil?
    if href
      match, url = *href.match(/javascript:photo_opener\('(http:\/\/.*.jpg)&/)
    end
    url    
end

#scrape(artist, title, opts = {}) ⇒ Object 



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# File 'lib/FindArt/scrapers/walmart.rb', line 6

def scrape(artist,title,opts={})
  url = nil    
  search_url =  "#{@@url}#{CGI.escape("#{artist} #{title}")}"
  browser = WWW::Mechanize.new    
  browser.get(search_url) do |page|
    doc = Hpricot(page.body)    
  
    # check if there are multiple results and get the top result
    element =  doc.at("* .firstRow a")        
    if !element.nil?
       # extract and fetch item page
       item_page = browser.get(element.attributes["href"])
       doc = Hpricot(item_page.body)
    end                           
  
    #extract art from product page
    url = extract_art(doc)
  end
 url
end