Class: GoogleCheckout::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/google-checkout/command.rb

Overview

Abstract class for commands.

https://sandbox.google.com/checkout/cws/v2/Merchant/1234567890/request
https://checkout.google.com/cws/v2/Merchant/1234567890/request

Direct Known Subclasses

Cart, OrderCommand

Constant Summary collapse

SANDBOX_REQUEST_URL = 
"https://sandbox.google.com/checkout/cws/v2/Merchant/%s/request"
PRODUCTION_REQUEST_URL = 
"https://checkout.google.com/cws/v2/Merchant/%s/request"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(merchant_id, merchant_key) ⇒ Command

Returns a new instance of Command.



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# File 'lib/google-checkout/command.rb', line 21

def initialize(merchant_id, merchant_key)
  @merchant_id = merchant_id
  @merchant_key = merchant_key

  @currency = "USD"
end

Instance Attribute Details

#currency ⇒ Object

Returns the value of attribute currency.



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# File 'lib/google-checkout/command.rb', line 16

def currency
  @currency
end

#merchant_id ⇒ Object

Returns the value of attribute merchant_id.



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# File 'lib/google-checkout/command.rb', line 16

def merchant_id
  @merchant_id
end

#merchant_key ⇒ Object

Returns the value of attribute merchant_key.



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# File 'lib/google-checkout/command.rb', line 16

def merchant_key
  @merchant_key
end

Class Method Details

.x509_store ⇒ Object

Class method to return the OpenSSL::X509::Store instance for the CA certificates.

NOTE May not be thread-safe.



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# File 'lib/google-checkout/command.rb', line 80

def self.x509_store
  return @@x509_store if defined?(@@x509_store)

  cacert_path = File.expand_path(File.dirname(__FILE__) + '/../../support/cacert.pem')

  @@x509_store = OpenSSL::X509::Store.new
  @@x509_store.add_file(cacert_path)

  return @@x509_store
end

Instance Method Details

#post ⇒ Object

Sends the Command’s XML to GoogleCheckout via HTTPS with Basic Auth.

Returns a GoogleCheckout::RequestReceived or a GoogleCheckout::Error object.



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# File 'lib/google-checkout/command.rb', line 40

def post
  # Create HTTP(S) POST command and set up Basic Authentication.
  uri = URI.parse(url)

  request = Net::HTTP::Post.new(uri.path)
  request.basic_auth(@merchant_id, @merchant_key)

  # Set up the HTTP connection object and the SSL layer.
  https = Net::HTTP.new(uri.host, uri.port)
  https.use_ssl = true
  https.cert_store = self.class.x509_store
  https.verify_mode = OpenSSL::SSL::VERIFY_PEER
  https.verify_depth = 5

  # Send the request to Google.
  response = https.request(request, self.to_xml)

  # NOTE Because Notification.parse() is used, the content of objects
  #      will be correctly parsed no matter what the HTTP response code
  #      is from the server.
  case response
  when Net::HTTPSuccess, Net::HTTPClientError
    notification = Notification.parse(response.body)
    if notification.error?
      raise APIError, "#{notification.message} [in #{GoogleCheckout.production? ? 'production' : 'sandbox' }]"
    end
    return notification
  when Net::HTTPRedirection, Net::HTTPServerError, Net::HTTPInformation
    raise "Unexpected response code (#{response.class}): #{response.code} - #{response.message}"
  else
    raise "Unknown response code: #{response.code} - #{response.message}"
  end
end

#url ⇒ Object

Returns the appropriate sandbox or production url for posting API requests.



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# File 'lib/google-checkout/command.rb', line 31

def url
  GoogleCheckout.sandbox? ? (SANDBOX_REQUEST_URL % @merchant_id) : (PRODUCTION_REQUEST_URL % @merchant_id)
end