Define oder_line, map out input options

lib/handle_input.rb

@@ -1,4 +1,5 @@
 require_relative 'item'
+require_relative 'order_line'
 
 # HandleInput class
 class HandleInput
@@ -12,5 +13,37 @@ def interpret(command)
     return unless ACTIONS.include?(command)
 
     $stdout.print "#{command} \n"
+
+    if command == 'LIST'
+      # list all availble items and package sizes
+    end
+
+    return shop if command == 'SHOP'
+
+    if command == 'VIEW'
+      # show invoice
+    end
+
+    if command == 'EXIT'
+      # exit
+    end
+  end
+
+  def shop
+    # retrieve another input
+    $stdout.print "Select qty and items, example: 3 watermelon \n"
+
+    input = gets.chomp
+
+    return if input.empty? #TODO: OR if it doesn't match a specific order pattern
+
+    # break it down into qty, item
+    line = input.split(/\W+/)
+
+    # create the order_line
+    order_line = OrderLine.new(line[0], line[1])
+
+    # return the order line
+    $stdout.print "#{order_line.order_qty} #{order_line.order_item} \n"
   end
 end

lib/order_line.rb

@@ -0,0 +1,9 @@
+# OrderLine class
+class OrderLine
+  attr_reader :order_qty, :order_item
+
+  def initialize(order_qty, order_item)
+    @order_qty = order_qty
+    @order_item = order_item
+  end
+end

spec/order_line_spec.rb

@@ -0,0 +1,20 @@
+require 'rspec'
+require 'spec_helper'
+require './lib/order_line'
+
+describe OrderLine do
+  describe '#initialize' do
+    it 'should have a order_qty attribute which is an Integer' do
+      instance = OrderLine.new(3, 'watermelon')
+
+      expect(instance.order_qty).to be_a Integer
+      expect(instance.order_qty).to eq 3
+    end
+
+    it 'should have a order_item attribute which is an instance of Item' do
+      instance = OrderLine.new(3, Watermelon.new('watermelon'))
+
+      expect(instance.order_item).to be_a Item
+    end
+  end
+end