From 33b2c7b846962bc92b7ea32049ab2e0502cd4d80 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Thu, 13 Nov 2014 17:54:55 +0100
Subject: Make Sale class.

---
 lib/sale.rb | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 lib/sale.rb

(limited to 'lib/sale.rb')

diff --git a/lib/sale.rb b/lib/sale.rb
new file mode 100644
index 0000000..f02a471
--- /dev/null
+++ b/lib/sale.rb
@@ -0,0 +1,25 @@
+module SalesReporter
+  class Sale
+    attr_reader :date, :amount, :quantity
+
+    def initialize(date_, amount, quantity)
+      @date = sanitize_date(date_)
+      raise TypeError('sanitize failed') unless @date.is_a? Date
+      @amount = amount
+      @quantity = quantity
+    end
+
+    private
+
+    def sanitize_date(d)
+      case d.class.to_s
+      when "String"
+        return Date.parse(d)
+      when "Date"
+        return d
+      else
+        raise TypeError.new('Expected date argument to be of type Date or String')
+      end
+    end
+  end
+end
-- 
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