Declared the InvoiceItemValueCalculated event

It will eventually replace the class.

Author: andrzejkrzywda

rails_application/app/processes/processes/invoice_generation.rb

@@ -10,13 +10,18 @@ class InvoiceGeneration
       Pricing::PercentageDiscountRemoved
     )
 
+    def act
+    end
 
     private
 
     def fetch_id(event)
       event.data.fetch(:order_id)
     end
 
+    def apply(event)
+    end
+
   end
 
   Invoice = Data.define do

rails_application/app/processes/processes/invoice_item_value_calculated.rb

@@ -0,0 +1,9 @@
+module Processes
+  class InvoiceItemValueCalculated < Infra::Event
+    attribute :order_id, Infra::Types::UUID
+    attribute :product_id, Infra::Types::UUID
+    attribute :quantity, Infra::Types::Quantity
+    attribute :discounted_amount, Infra::Types::Value
+    attribute :amount, Infra::Types::Value
+  end
+end