Class: Cline::Collectors::Feed

Inherits:
Base
  • Object
show all
Defined in:
lib/cline/collectors/feed.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

create_or_pass

Constructor Details

#initialize(opml_str) ⇒ Feed

Returns a new instance of Feed.



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# File 'lib/cline/collectors/feed.rb', line 18

def initialize(opml_str)
  require 'rexml/document'
  require 'feedzirra'

  @opml = REXML::Document.new(opml_str)
  @feeds = parse_opml(@opml.elements['opml/body'])
end

Class Method Details

.collect ⇒ Object 



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# File 'lib/cline/collectors/feed.rb', line 6

def collect
  new(opml_path.read).entries.each do |entry|
    message = Cline::Notification.normalize_message("#{entry.title} #{entry.url}")
    create_or_pass message, entry.published
  end
end

.opml_path ⇒ Object 



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# File 'lib/cline/collectors/feed.rb', line 13

def opml_path
  opml = Pathname.new("#{Cline.cline_dir}/feeds.xml")
end

Instance Method Details

#entries ⇒ Object 



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# File 'lib/cline/collectors/feed.rb', line 26

def entries
  entries = []

  @feeds.map { |feed_url|
    Thread.fork {
      begin
        feed = Feedzirra::Feed.fetch_and_parse(feed_url)

        if feed.is_a?(Feedzirra::FeedUtilities)
          feed.entries.each { |entry| entries << entry }
        end
      rescue
        puts $!.class, $!.message
      ensure
        Thread.pass
      end
    }
  }.map(&:join)

  entries
end

#parse_opml(opml_node) ⇒ Object 



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# File 'lib/cline/collectors/feed.rb', line 48

def parse_opml(opml_node)
  feeds = []

  opml_node.elements.each('outline') do |el|
    unless el.elements.size.zero?
      feeds += parse_opml(el) 
    else
      url = el.attributes['xmlUrl']
      feeds << url if url
    end
  end

  feeds
end