Class: Rssdump::Scraper

Inherits:
Object
  • Object
show all
Includes:
Logging, Cleaning
Defined in:
lib/rssdump/scraper.rb

Constant Summary

Constants included from Cleaning

Cleaning::URLS

Instance Method Summary collapse

Methods included from Cleaning

#clean_html, #clean_link, #ensure_valid, #parse_pub_date

Instance Method Details

#scrap(feed) ⇒ Object 



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# File 'lib/rssdump/scraper.rb', line 10

def scrap feed
  scrap_from_body(open(feed).read, feed)
end

#scrap_from_body(body, feed_url) ⇒ Object 



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# File 'lib/rssdump/scraper.rb', line 14

def scrap_from_body body, feed_url
  @errors = []
	rss = SimpleRSS.parse ensure_valid(body)
  status = :ok
  errors = []
  items = rss.items.map do |item|
    begin
      ritem = Item.new
      ritem.title = clean_html(item.title)
      ritem.category = clean_html(item.category)
      ritem.description = clean_html(item.description)
      ritem.pub_date = item.pubDate || item.updated
      ritem.link = clean_link(item.link)
      ritem.feed = feed_url
      ritem
    rescue => e
      status = :ko
      errors << e
      logger.error "An error occurred during cleaning with item #{item.link}."
      logger.error "#{e}\n#{e.backtrace.join("\n")}"
      logger.warn "Ignoring item #{item.link}."
      nil
    end
  end.select do |item|
    !item.nil?
  end
  {
    status: status,
    errors: errors,
    items: items
  }
end