Class: Goldencobra::LinkChecker

Inherits:
Object
  • Object
show all
Defined in:
app/models/goldencobra/link_checker.rb

Instance Method Summary collapse

Constructor Details

#initialize(article) ⇒ LinkChecker

Returns a new instance of LinkChecker.



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# File 'app/models/goldencobra/link_checker.rb', line 5

def initialize(article)
  @article = article
end

Instance Method Details

get all links of a page and make a check for response status and time



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# File 'app/models/goldencobra/link_checker.rb', line 10

def set_link_checker
  links_to_check = []
  status_for_links = {}
  doc = Nokogiri::HTML(open(@article.absolute_public_url))
  #find all links and stylesheets
  doc.css('a,link').each do |link|
    if add_link_to_checklist(link, "href").present?
      links_to_check << {"link" => add_link_to_checklist(link, "href"), "pos" => link.path}
    end
  end
  #find all images and javascripts
  doc.css('img,script').each do |link|
    if add_link_to_checklist(link,"src").present?
      links_to_check << {"link" => add_link_to_checklist(link,"src"), "pos" => link.path}
    end
  end
  links_to_check = links_to_check.compact.delete_if{|a| a.blank?}
  links_to_check.each_with_index do |linkpos|
    status_for_links[linkpos["link"]] = {"position" => linkpos["pos"]}
    begin
      start = Time.now
      response = open(linkpos["link"])
      status_for_links[linkpos["link"]]["response_code"] = response.status[0]
      status_for_links[linkpos["link"]]["response_time"] = Time.now - start
    rescue Exception  => e
      status_for_links[linkpos["link"]]["response_code"] = "404"
      status_for_links[linkpos["link"]]["response_error"] = e.to_s
    end
  end
  @article.link_checker = status_for_links
end