Class: KanazawaLoopBus::BusLocationService

Inherits:
Object
  • Object
show all
Defined in:
lib/kanazawa_loop_bus/bus_location_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ BusLocationService

Returns a new instance of BusLocationService.



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# File 'lib/kanazawa_loop_bus/bus_location_service.rb', line 9

def initialize
  fetch
end

Instance Attribute Details

#fetch_time ⇒ Object (readonly)

Returns the value of attribute fetch_time.



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# File 'lib/kanazawa_loop_bus/bus_location_service.rb', line 7

def fetch_time
  @fetch_time
end

Instance Method Details

#buses ⇒ Object 



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# File 'lib/kanazawa_loop_bus/bus_location_service.rb', line 20

def buses
  @doc.xpath('//td/img').select { |img|
    /\.\.\/img\/busicon\/car_s_.\.gif/ =~ img["src"]
  }.map { |img|
    Bus.from_node(img)
  }
end

#fetch ⇒ Object Also known as: refetch! 



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# File 'lib/kanazawa_loop_bus/bus_location_service.rb', line 13

def fetch
  @doc = Nokogiri::HTML(fetch_html)
  raise "Service Finished" if service_finished?
  @fetch_time = Time.now
end