Class: Goldencobra::LinkChecker

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

Class Method Summary collapse

Class Method Details

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



9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'app/models/goldencobra/link_checker.rb', line 9

def self.set_link_checker(article)
  @article = article
  links_to_check = []
  status_for_links = {}

  #Sammle Links auf der Seite
  doc = Nokogiri::HTML(open(article.absolute_public_url))
  #find all links and stylesheets
  doc.css('a,link').each do |link|
    if self.add_link_to_checklist(link, "href", article).present?
      links_to_check << {"link" => add_link_to_checklist(link, "href", article), "pos" => link.path}
    end
  end
  #find all images and javascripts
  doc.css('img,script').each do |link|
    if self.add_link_to_checklist(link,"src", article).present?
      links_to_check << {"link" => add_link_to_checklist(link,"src", article), "pos" => link.path}
    end
  end
  links_to_check = links_to_check.compact.delete_if{|a| a.blank?}

  #generate status_for_links

  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

  #save status_for_links to DB
  status_for_links.each do |link_name, value|
    article.link_checks.destroy_all
    Goldencobra::LinkChecker.create(article_id: article.id, target_link: link_name,
                                    position: value["position"], response_code: value["response_code"],
                                    response_time: value["response_time"], response_error: value["response_error"] )
  end
  return status_for_links
end