Class: Google4R::Checkout::MerchantCalculationCallback

Inherits:
Object
  • Object
show all
Defined in:
lib/google4r/checkout/merchant_calculation.rb

Overview

Google Checkout send a <merchant-calculation-callback> message to you when any of the events occur:

The customer signs in to Google Checkout.
The customer enters a new shipping address on the Place Order page.
The customer enters a coupon or gift certificate code.

The message will be parsed into a MerchantCalculationCallback instance.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(frontend) ⇒ MerchantCalculationCallback

Sets the frontend attribute to the value of the frontend parameter.



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 130

def initialize(frontend)
  @frontend = frontend
  @anonymous_addresses = Array.new
  @shipping_methods = Array.new
  @merchant_code_strings = Array.new
  if frontend.tax_table_factory
    @tax_tables = frontend.tax_table_factory.effective_tax_tables_at(Time.now)
  end
end

Instance Attribute Details

#anonymous_addresses ⇒ Object (readonly)

An array of AnonymousAddress objects of this callback.



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 115

def anonymous_addresses
  @anonymous_addresses
end

#buyer_language ⇒ Object

The buyer’s language



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 112

def buyer_language
  @buyer_language
end

#frontend ⇒ Object

The frontend this callback belongs to.



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 106

def frontend
  @frontend
end

#merchant_code_strings ⇒ Object (readonly)

An array of merchant codes



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 124

def merchant_code_strings
  @merchant_code_strings
end

#shipping_methods ⇒ Object (readonly)

An array of shipping method names



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 121

def shipping_methods
  @shipping_methods
end

#shopping_cart ⇒ Object

The order’s shopping cart (ShoppingCart)



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 109

def shopping_cart
  @shopping_cart
end

#tax ⇒ Object

This indicates whether the merchant needs to calculate taxes for the order.



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 118

def tax
  @tax
end

#tax_tables ⇒ Object (readonly)

The tax tables for the items in the order notification.



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 127

def tax_tables
  @tax_tables
end

Class Method Details

.create_from_element(element, frontend) ⇒ Object

Factory method to create a new MerchantCalculationCallback object from the REXML:Element object

Raises NoMethodError and RuntimeError exceptions if the given element misses required elements.

You have to pass in the Frontend class this callback belongs to.



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# File 'lib/google4r/checkout/merchant_calculation.rb', line 147

def self.create_from_element(element, frontend)
  result = MerchantCalculationCallback.new(frontend)
  
  result.shopping_cart = ShoppingCart.create_from_element(element.elements['shopping-cart'], result)
  result.buyer_language = element.elements['buyer-language'].text
  element.elements.each('calculate/addresses/anonymous-address') do |address_element|
    result.anonymous_addresses << AnonymousAddress.create_from_element(address_element)
  end
  result.tax = element.elements['calculate/tax'].text
  element.elements.each('calculate/shipping/method') do |shipping_method_element|
    result.shipping_methods << shipping_method_element.attributes['name']
  end
  element.elements.each('calculate/merchant-code-strings/merchant-code-string') do |merchant_code_string_element|
    result.merchant_code_strings << merchant_code_string_element.attributes['code']
  end
  
  return result
end