Add command line program to process a file

bin/process

@@ -0,0 +1,36 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'bundler/setup'
+require 'planet_express'
+
+file = File.open(ARGV[0], "r")
+
+shipping_option_repository = PlanetExpress::ShippingOptionRepository.new
+shipment_repository = PlanetExpress::ShipmentRepository.new(data: [])
+discount_budget_for_month_repository = PlanetExpress::DiscountBudgetForMonthRepository.new
+
+shipment_reader = PlanetExpress::ShipmentReader.new(file, shipping_option_repository)
+shipment_formatter = PlanetExpress::ShipmentFormatter.new
+
+rules = [
+  PlanetExpress::SShipmentDiscountRule.new(
+    discount_budget_for_month_repository: discount_budget_for_month_repository,
+    shipping_option_repository: shipping_option_repository,
+    shipment_repository: shipment_repository
+  ),
+  PlanetExpress::LShipmentDiscountRule.new(
+    discount_budget_for_month_repository: discount_budget_for_month_repository,
+    shipping_option_repository: shipping_option_repository,
+    shipment_repository: shipment_repository
+  )
+]
+
+PlanetExpress::ShipmentDiscountCalculator.new(
+  shipment_repository: shipment_repository,
+  rules: rules
+).run(shipment_reader)
+
+shipment_repository.each do |shipment|
+  puts shipment_formatter.format(shipment)
+end