Class: Zettacode::Scrap

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filepath) ⇒ Scrap

Returns a new instance of Scrap.



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# File 'lib/zettacode/scrap/scrap.rb', line 9

def initialize(filepath)
  @configpath = filepath
end

Instance Attribute Details

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



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# File 'lib/zettacode/scrap/scrap.rb', line 7

def settings
  @settings
end

Instance Method Details

#find_langs ⇒ Object 



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# File 'lib/zettacode/scrap/scrap.rb', line 23

def find_langs
  # Scrap page
  @settings.each do |problem|
    # 1. Get page
    response = HTTParty.get(problem[:url])
    unless response.code == 200
      puts "==> httparty: [Error] #{response.code}"
      exit 1
    end

    # 2. Find every LANG (a href ="#LANG")
    langs = []
    document = Nokogiri::HTML(response.body)
    document.css("h2 > span").each do |e|
      id = e.attribute("id")
      langs << id unless id.nil?
    end
    puts "==> Problem: #{problem[:name]} (langs=#{langs.size})"
    puts langs.join("\n")

    langs = []
    elems = document.css("a")
    elems.each do |e|
      href = e.attribute("href")
      filter = /\/wiki\/Category:([\w\d.-_]+)/
      items = filter.match(href)&.captures
      langs << items.first unless items.nil?
    end
    puts "==> Problem: #{problem[:name]} (langs=#{langs.size})"
    puts langs.join("\n")
  end
end

#load_settings ⇒ Object 



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# File 'lib/zettacode/scrap/scrap.rb', line 13

def load_settings
  puts "==> Loading settings (#{@configpath})"
  @settings = YAML.load(File.read(@configpath))
  # Show settings
  @settings.each_with_index do |problem, index|
    number = "%02d" % (index + 1)
    puts "    #{number} #{problem[:name]}: #{problem[:url]}"
  end
end