Class: Input::Rss

Inherits:
Object
  • Object
show all
Defined in:
lib/xify/input/rss.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Rss

Returns a new instance of Rss.



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# File 'lib/xify/input/rss.rb', line 6

def initialize(config)
  @config = config

  @uri = URI.parse config['uri']

  working_dir = "#{ENV['HOME']}/.xify/Rss"
  Dir.mkdir working_dir rescue Errno::EEXIST
  @latest_file = "#{working_dir}/#{@uri.to_s.gsub(/\W+/, '_')}"

  @latest_time = Time.now
end

Instance Method Details

#updates ⇒ Object 



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# File 'lib/xify/input/rss.rb', line 18

def updates
  opts = {}
  opts[:first] = :now if @config['trigger']['now']
  Rufus::Scheduler.singleton.repeat @config['trigger']['schedule'], opts do |job|
    job_interval = job.last_time - @latest_time
    @latest_time = job.last_time
    open(@uri) do |rss|
      latest = Time.parse File.read(@latest_file) rescue Time.now - job_interval
      feed = RSS::Parser.parse(rss)
      feed.items
        .select do |item|
          item.pubDate > latest
        end
        .sort_by do |item|
          item.pubDate
        end
        .each do |item|
          yield Xify::Event.new(
            item.dc_creator,
            "*#{item.title}*\n\n#{item.description}",
            link: item.link,
            parent: feed.channel.title,
            parent_link: feed.channel.link,
            time: item.pubDate
          )
          update_latest item
        end
    end
  end
end