Class: RailscastsDownload::Saver

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

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Saver

Returns a new instance of Saver.



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# File 'lib/railscasts_download/saver.rb', line 7

def initialize( options={} )
  @downloader = options[:downloader] || Downloader.new
  options[:rss_uri] ||= "http://feeds.feedburner.com/railscasts" unless options[:revised]
  options[:login_uri] ||= "http://railscasts.com/login" if options[:revised]
  @page = options[:page_explorer] || PageExplorer.new( options )
  @rss = options[:rss_explorer] || RssExplorer.new( @page.get_rss_body )
end

Instance Method Details

#get_all ⇒ Object 



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# File 'lib/railscasts_download/saver.rb', line 15

def get_all
  missing_videos_uris.each{ |video_uri| get_file( video_uri ) }
end

#get_file(uri) ⇒ Object 



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# File 'lib/railscasts_download/saver.rb', line 19

def get_file( uri )
  @downloader.get( uri )
end

#missing_videos_uris ⇒ Object 



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# File 'lib/railscasts_download/saver.rb', line 27

def missing_videos_uris
  videos_filenames = videos_uris.map { |url| url.split( '/' ).last }
  missing_files = videos_filenames - Dir.glob( '*.mp4' )
  videos_uris.select{ |uri| missing_files.any? { |filename| uri.match filename } }
end

#videos_uris ⇒ Object 



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# File 'lib/railscasts_download/saver.rb', line 23

def videos_uris
  @rss.get_uris
end