Class: MtgDb::Downloaders::AllCardsStandardDownloader

Inherits:
DownloaderBase
  • Object
show all
Defined in:
lib/mtg_db/downloaders.rb

Overview

Downloads the entire collection of cards in ‘Standard’ format

Constant Summary collapse

DEBUG = 
true
ALL_CARDS_URL = 
'http://gatherer.wizards.com/Pages/Search/Default.aspx?action=advanced&output=standard&special=true&cmc=|%3E=[0]'

Constants inherited from DownloaderBase

DownloaderBase::DEFAULT_OUTPUT_DIR

Instance Attribute Summary

Attributes inherited from DownloaderBase

#agent, #output_dir

Instance Method Summary collapse

Methods inherited from DownloaderBase

#initialize, #is_empty?, #prepare_output_dir

Constructor Details

This class inherits a constructor from MtgDb::Downloaders::DownloaderBase

Instance Method Details

#files ⇒ Object 



60
61
62
 
# File 'lib/mtg_db/downloaders.rb', line 60

def files
  Dir.glob(File.join(@output_dir, 'page.*.html')).sort
end

#start ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
 
# File 'lib/mtg_db/downloaders.rb', line 41

def start
  page_num = 1
  page = @agent.get(ALL_CARDS_URL)
  last_page = false
  until last_page
    page_num_str = page_num.to_s.rjust(3, '0')
    save_filename = File.join(@output_dir, "page.#{page_num_str}.html")
    puts "Saving to #{save_filename}" if DEBUG
    page.save(save_filename)
    begin
      page = @agent.page.links.find { |l| l.text == ' >' }.click
    rescue NoMethodError
      # `find` returns nil when the link can't be found
      last_page = true
    end
    page_num += 1
  end
end