Class: FeedProcessor::Parser

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

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/feed_processor/parser.rb', line 7

def initialize(options={})
  @options = options
  setup_mongo(options[:mongo])
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/feed_processor/parser.rb', line 11

def execute
  queue = Beanstalk::Pool.new(['localhost:11300'])
  puts "Now accepting feeds to parse..."
  begin
    loop do
      job = queue.reserve
      if job.body =~ /^START (.+)$/
        puts "starting #{$1} feeds"
      elsif job.body =~ /^END (.+)$/
        puts "finished #{$1} feeds"
      else
        url = job.body
        puts "parsing #{url}"
        responses = Response.all(:conditions => {'url' => url})
        responses.each do |response|
          begin
            feed = Feedzirra::Feed.parse(response.data)
            f = Feed.create({:url => url, :status => 'to-process'})
            entries = feed.entries
            puts "found #{entries.length} entries in #{url}"
            entries.each do |entry|
              begin
                f.contents.create({
                  :title => entry.title,
                  :url => entry.url,
                  :author => entry.author,
                  :summary => entry.summary,
                  :content => entry.content,
                  :published => entry.published,
                  :categories => entry.categories,
                })
              rescue => e
                puts "error creating entry #{entry.url}: #{e.message}"
              end
            end
          rescue => e
            puts "error parsing feed #{url}: #{e.message}"
          end
        end
      end
      job.delete
    end
  rescue Interrupt
    puts "Exiting parser"
  end
end