Class: Howard::ArrivalsResource

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/howard/arrivals_resource.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params = {}) ⇒ ArrivalsResource

Returns a new instance of ArrivalsResource.



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# File 'lib/howard/arrivals_resource.rb', line 7

def initialize(params={})
  @params = arrivals_params(params)
end

Instance Attribute Details

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/howard/arrivals_resource.rb', line 5

def params
  @params
end

Instance Method Details

#arrivals_params(params) ⇒ Object 



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# File 'lib/howard/arrivals_resource.rb', line 27

def arrivals_params(params)
  {
    mapid: params[:mapid] || params[:station],
    stpid: params[:stpid] || params[:stop],
    max: params[:max],
    rt: params[:rt] || params[:route],
  }.reject { |_, val| val.nil? }
end

#each ⇒ Object 



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# File 'lib/howard/arrivals_resource.rb', line 11

def each
  Array(xml_response["ctatt"]["eta"])
    .map { |eta| Arrival.new(eta) }
    .each { |arrival| yield arrival }
end

#gateway ⇒ Object 



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# File 'lib/howard/arrivals_resource.rb', line 17

def gateway
  @gateway ||= TrainTrackerGateway.new(Howard.train_tracker_api_key)
end

#xml_response ⇒ Object 



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# File 'lib/howard/arrivals_resource.rb', line 21

def xml_response
  @xml_resonse ||= gateway
    .arrivals(query: params)
    .parsed_response
end