Class: Railscasts

Inherits:
Object
  • Object
show all
Defined in:
lib/railscasts.rb

Class Method Summary collapse

Class Method Details

.screencasts ⇒ Object 



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# File 'lib/railscasts.rb', line 21

def self.screencasts
  url = 'http://railscasts.com/'
  doc = Nokogiri::HTML(open(URI url)) 
  num_pages = doc.css(".pagination a")[-2].text.to_i

  i = 0
  screencasts = [] 
  
  while i < num_pages do 
    i += 1 
    url = url.split('?')[0] + "?page=#{i}"
    p url 
    
    doc = Nokogiri::HTML(open(URI url)) 
    doc.css('.episode').each do |dom| 
      title = dom.css('.main h2 a').text
      image = dom.css('.screenshot img').first.attributes['src'].text
      number = dom.css('.number').text.split("Episode #")[-1]
      published_at = dom.css('.published_at').text
      comments_count = dom.css('.comments a').text.split(" ")[0]
      screencasts << Screencast.new(title,image,number,published_at,comments_count) 
    end 
  end 

  return screencasts.to_json
end