Class: Specific::GoogleDict

Inherits:
Object
  • Object
show all
Defined in:
lib/spider_rails/specific/google_dict.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.alias_methods(*args) ⇒ Object 



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# File 'lib/spider_rails/specific/google_dict.rb', line 32

def alias_methods(*args)
  args.each do |arg|
    alias_method arg, args.last
  end
end

Instance Method Details

#element?(selector, &block) ⇒ Boolean

def login(username, password)

element?('a.gbgt#gb_70') { |e| e.click }
@b.text_field(name: 'Email').set username
@b.text_field(name: 'Passwd').set password
element?('input#signIn') { |e| e.click }

end

Returns:

  • (Boolean) 


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# File 'lib/spider_rails/specific/google_dict.rb', line 83

def element?(selector, &block)
  e = @page.element(css: selector)
  if yield e
  else
    'element is nil'
  end
end

#get_card(keyword) ⇒ Object 



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# File 'lib/spider_rails/specific/google_dict.rb', line 39

def get_card keyword
  @card = Hash.new
  @page = start "https://www.google.com.hk/search?newwindow=1&safe=strict&q=#{keyword}+define&oq=#{keyword}+define"

  doc = Nokogiri::HTML.parse @page.html

  GoogleDict.alias_methods :card, :voice, :word, :get_content
  card(doc, 'li.dct') do |c|
    @card[:Word] = keyword.downcase
    @card[:Voice] = voice(c, 'h3+.vk_sh')

    # Get word explainations
    get_explain(c)
  end

  @page.close
  @card.delete(0)
  @card
end

#get_cards(keywords) ⇒ Object 



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# File 'lib/spider_rails/specific/google_dict.rb', line 3

def get_cards(keywords)
  Headless.new.start
  keywords.each do |keyword|
    unless Card.find_by_word(keyword)
      get_card keyword
      save_record(Card, word: @card[:Word],
                  voice: @card[:Voice],
                  verb: @card[:Verb],
                  adj: @card[:Adjective],
                  noun: @card[:Noun],
                  pronoun: @card[:Pronoun],
                  synonyms: @card[:Synonyms],
                  abbr: @card[:Abbreviation],
                  prep: @card[:Preposition],
                  conj: @card[:Conjunction]
      )
    end
  end
end

#get_explain(c) ⇒ Object 



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# File 'lib/spider_rails/specific/google_dict.rb', line 59

def get_explain(c)
  type_nodes = c.css('div.vk_gy.vk_sh').to_a
  content_nodes = c.css('div.vk_gy.vk_sh+div').to_a
  type_nodes.each_with_index do |t, i|
    table = content_nodes[i]
    if table.css('li').count >= 2
      fin_content = Array.new
      table.css('li').each do |l|
        fin_content << l.content
      end
    else
      fin_content = table.content
    end
    @card[t.text.to_sym] = fin_content
  end
end

#get_keywords(path) ⇒ Object 



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# File 'lib/spider_rails/specific/google_dict.rb', line 23

def get_keywords(path)
  f = File.new(path)
  dict = f.read.split(/\W/)
  dict.delete("")
  dict.uniq!
  dict
end