Class: Parser::News

Inherits:
XmlBase show all
Defined in:
lib/fly_parser/sources/news.rb

Instance Method Summary collapse

Methods inherited from XmlBase

#copyright, #fake_url, #tags

Constructor Details

#initialize(source, options = {}) ⇒ News

Returns a new instance of News.



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# File 'lib/fly_parser/sources/news.rb', line 3

def initialize(source, options = {})
  super
end

Instance Method Details

#parse_all ⇒ Object 



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# File 'lib/fly_parser/sources/news.rb', line 7

def parse_all
  items = @source.search('//item')
  last_date = Time.now - 2.years # for dev 2 years
  # select! or reject! is not exists for Nokogiri#NodeSet
  items = items.select {|item| item.xpath('pubDate').first.content() > last_date }
  items.map do |item|
    title = item.xpath('title/text()').text()
    date = item.xpath('pubDate').first.content()
    link = item.xpath('link/text()').text()
    begin
      page = Nokogiri::HTML(open(link))
    rescue Exception => e
      puts e.message
      next
    end
    next if page.search('.article_illustration img').first.nil?
    poster_image = page.search('.article_illustration img').first.attributes['src'].value
    short_desc = page.search('.article_lead').first().content()

    full_desc = page.search('.article_full_text')
    full_desc.search('.article_illustration').remove()
    full_desc.search('.inject-data').remove()
    full_desc.search('.inject_poll').remove()
    full_desc.search('a').remove()

    tags = @enable_tags ? parse_tags(page) : nil

    copyright = "<p>Источник: <a href='#{@copyright[:url]}'>#{@copyright[:title]}</a></p>"
    content = "<p>#{short_desc}</p>" + full_desc.inner_html + copyright
    {title: title, content: content, poster_image: poster_image, tags: tags }
  end.compact
end

#parse_tags(page) ⇒ Object 



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# File 'lib/fly_parser/sources/news.rb', line 40

def parse_tags(page)
  tags_wrapper = page.search('.article_tags_overview_list')
  tags = tags_wrapper.search('li a')
  tags.map(&:text)
end