Class: Bahn::DepartureBoard
Constant Summary collapse
- TRANSPORT_TYPES =
{ :ice =>0x100, :ic_ec => 0x80, :ir => 0x40, :regional => 0x20, :urban => 0x10, :bus => 0x08, :boat => 0x04, :subway => 0x02, :tram => 0x01 }
Instance Method Summary collapse
- #each ⇒ Object
-
#initialize(station, opts) ⇒ DepartureBoard
constructor
A new instance of DepartureBoard.
Constructor Details
#initialize(station, opts) ⇒ DepartureBoard
Returns a new instance of DepartureBoard.
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# File 'lib/bahn.rb', line 128 def initialize(station, opts) @station = station transport_types = Array(opts[:include] || TRANSPORT_TYPES.keys) - Array(opts[:exclude]) filter_num = transport_types.inject(0) {|sum, type| sum + (TRANSPORT_TYPES[type] || 0) } filter = sprintf("%09b", filter_num) @url_prefix = "http://reiseauskunft.bahn.de/bin/bhftafel.exe/en?input=#{station.id}&productsFilter=#{filter}&start=1&boardType=dep&dateBegin=12.12.10&dateEnd=10.12.11&time=00:00" @departure_pages = [] end |
Instance Method Details
#each ⇒ Object
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# File 'lib/bahn.rb', line 138 def each 0.upto(23) do |hour| doc = departure_page(hour) # find all tr children of table.result which contain a td.train # and do not have class 'browse' departure_docs = doc / 'table.result tr[td.train]:not(.browse)' departure_docs.each do |departure_doc| service_link = departure_doc % 'td.train:nth(2) a' destination_link = departure_doc % 'td.route span.bold a' (destination_id, destination_time_string), = destination_link['onclick'].scan(/^sHC\(this, '', '(\d+)','([^']*)'\)/) destination_time = ClockTime.parse(destination_time_string) intermediate_stops = (departure_doc % 'td.route').children.find_all{|node| node.text?}.join(' ') departure_time = ClockTime.parse((departure_doc % 'td.time').inner_text) last_time = departure_time days_passed = 0 intermediate_stops.scan(/\d+:\d+/) do |time_string| time = ClockTime.parse(time_string) days_passed += 1 if time < last_time last_time = time end inferred_time_to_destination = days_passed * 24*60*60 + (destination_time - departure_time) platform_td = departure_doc % 'td.platform' if platform_td.nil? platform = :none else platform = platform_td.inner_text.strip end yield Stop.new( :station => @station, :service => Service.new( :path => service_link['href'].sub(/\?.*/, ''), :name => service_link.inner_text.strip.gsub(/\s+/, ' '), :destination_info => { :station => Station.new( :id => destination_id, :name => destination_link.inner_text.strip ), :arrival_time => destination_time } ), :departure_time => departure_time, :platform => (platform == '' ? :none : platform), :inferred_time_to_destination => inferred_time_to_destination ) end end end |