Class: CrawlerParser

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

Constant Summary collapse

FS_LEN =

logger = Logger.new(‘/tmp/crawlerEngine.log’, ‘daily’) logger.level = Logger::INFO

80

Instance Method Summary collapse

Instance Method Details

#parse_rss(sources) ⇒ Object 



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# File 'lib/crawler_parser.rb', line 14

def parse_rss(sources)
  return if sources.nil? or sources.size.eql?(0)
  #logger.info("Links to crawl >>"+links.to_s)
  puts "Links to crawl >>"+sources.to_s
  sources.uniq!
  sources.each do |source|
    begin
      rss = SimpleRSS.parse open(source.link)
    rescue Exception=>ex
      #logger.error(ex)
      #logger.info("SimpleRSS got unexpected error, rss exit")
      puts ex
    end
    #TODO:
    #puts rss.feed_tags.title
    #puts rss.feed_tags.description

    for item in rss.items
      print_rss_item(item)
      #parse post details
      begin
        doc = Nokogiri::HTML open(item.link.to_s)
      rescue Exception=>ex
        #logger.error(ex)
        #logger.info("Nokogiri got unexpected error")
        puts ex
      end
      return unless doc
      doc.xpath(source.filter).each do |content|
        #puts content.to_s.force_encoding('GB2312')
        #Iconv.iconv("GB2312//IGNORE","UTF-8//IGNORE", content)
        #Iconv.iconv("UTF-8//IGNORE","GB2312//IGNORE", content)
        Post.create(
          :title=>item.title.to_s.force_encoding('UTF-8'),
          :source=>item.link.to_s.force_encoding('UTF-8'),
          :content=>content.to_s.force_encoding('UTF-8'),
          :published_at=>item.pubDate,
          :site_name=>source.site_name,
          :category => source.category)
      end
    end
    #update crawler exec timestamp
    source.update_attribute("crawled_at", Time.now)
  end
end