Reorganize file structure

lib/planet_express.rb

@@ -5,22 +5,22 @@ require 'planet_express/date'
 require 'planet_express/version'
 require 'planet_express/repository'
 
-require 'planet_express/discount'
+require 'planet_express/discounts/discount'
-require 'planet_express/discount_budget'
+require 'planet_express/discounts/discount_budget'
-require 'planet_express/discount_budget_for_month_repository'
+require 'planet_express/discounts/discount_budget_for_month_repository'
 
-require 'planet_express/invalid_shipment'
+require 'planet_express/shipments/invalid_shipment'
-require 'planet_express/shipment'
+require 'planet_express/shipments/shipment'
-require 'planet_express/shipment_repository'
+require 'planet_express/shipments/shipment_repository'
-require 'planet_express/shipment_reader'
+require 'planet_express/shipments/shipment_reader'
-require 'planet_express/shipment_formatter'
+require 'planet_express/shipments/shipment_formatter'
 
-require 'planet_express/shipping_option'
+require 'planet_express/shipping_options/shipping_option'
-require 'planet_express/shipping_option_repository'
+require 'planet_express/shipping_options/shipping_option_repository'
 
-require 'planet_express/rule'
+require 'planet_express/rules/rule'
-require 'planet_express/s_shipment_discount_rule'
+require 'planet_express/rules/s_shipment_discount_rule'
-require 'planet_express/l_shipment_discount_rule'
+require 'planet_express/rules/l_shipment_discount_rule'
 
 require 'planet_express/shipment_discount_calculator'