State machine overrides

console_output.txt

>> Gateway.current.payment_profiles_supported?
=> false
>> Gateway.all
=> [#<Gateway::AuthorizeNetCim id: 3, type: "Gateway::AuthorizeNetCim", name: "Credit Card", description: "Authorize.net CIM ", active: true, environment: "production", created_at: "2010-03-08 20:29:39", updated_at: "2011-07-26 18:27:11", deleted_at: nil, display_on: "">]
>> Gateway.current
=> #<PaymentMethod::Check id: 4, type: "PaymentMethod::Check", name: "COD", description: "Cash on delivery.", active: true, environment: "production", created_at: "2010-07-21 20:03:14", updated_at: "2010-10-15 09:09:59", deleted_at: nil, display_on: "">
>> 

order_decorator.rb

  state_machine :initial => 'cart', :use_transactions => false do

      event :next do
        transition :from => 'cart',     :to => 'address'
        transition :from => 'address',  :to => 'delivery'
        transition :from => 'delivery', :to => 'payment'
        transition :from => 'confirm',  :to => 'complete'

        # note: some payment methods will not support a confirm step
        transition :from => 'payment',  :to => 'confirm',
                                        :if => Proc.new { Gateway.current && Gateway.current.payment_profiles_supported? }

        transition :from => 'payment', :to => 'complete'
        transition :from => 'complete', :to => 'pending'
        transition :from => 'pending', :to => 'picking'
        transition :from => 'picking', :to => 'picked'
      end

      event :cancel do
        transition :to => 'canceled', :if => :allow_cancel?
      end
      
      event :return do
        transition :to => 'returned', :from => 'awaiting_return'
      end
      
      event :resume do
        transition :to => 'resumed', :from => 'canceled', :if => :allow_resume?
      end
      
      event :authorize_return do
        transition :to => 'awaiting_return'
      end
      
      event :pending do
        transition :to => 'pending', :from => ['picking', 'complete']
      end
      
      event :picking do 
        transition :to => 'picking', :from => ['pending', 'picked']
      end
      
      event :picked do 
        transition :to => 'picked', :from => ['picking']
      end
      
      before_transition :to => 'complete' do |order|
        begin
          order.process_payments!
        rescue Spree::GatewayError
          if Spree::Config[:allow_checkout_on_gateway_error]
            true
          else
            false
          end
        end
      end

      after_transition :to => 'complete', :do => :finalize!
      after_transition :to => 'delivery', :do => :create_tax_charge!
      after_transition :to => 'payment', :do => :create_shipment!
      after_transition :to => 'canceled', :do => :after_cancel

    end