Class: PriceGrabber::Response

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/pricegrabber/response.rb

Overview

Represents a response from the PriceGrabber API.

Instance Method Summary collapse

Constructor Details

#initialize(response, wants) ⇒ Response

Returns a new instance of Response.

Parameters:

  • response (HTTPI::Response) —

    The XML response from Pricegrabber’s API

  • wants (Array<String>) —

    Attributes from the response that should be made available within this response



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# File 'lib/pricegrabber/response.rb', line 10

def initialize(response, wants)
  @status = response.code
  resp_hash = Hash.from_xml(response.body)
  @error = resp_hash["document"]["error"]
  @results = []
  [resp_hash["document"]["product"]].flatten.each do |product|
    curr_result = ResponseItem.with_attributes(wants)
    wants.map do |want|
      parts = want.split(".")
      curr = parts.shift
      curr_value = product
      while curr && curr_value
        curr_value = curr_value[curr]
        curr = parts.shift
      end

      curr_result.public_send(:"#{want.tr(".", "_")}=", curr_value)
    end
    @results << curr_result
  end
end

Instance Method Details

#each(*args, &block) ⇒ Object 



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# File 'lib/pricegrabber/response.rb', line 32

def each(*args, &block)
  @results.each(*args, &block)
end

#successful? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pricegrabber/response.rb', line 36

def successful?
  @status < 300 && @status >= 200 && @error == nil
end