p.140 extract method "discount_factor".

kono · May 22, 2010 · ddcfcf9 · ddcfcf9
1 parent 13bdff4
commit ddcfcf9
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/chapter6/Replace_Temp_with_Query.rb b/chapter6/Replace_Temp_with_Query.rb
@@ -7,15 +7,15 @@ def initialize(quantity, price)
 
 
   def price
-    if base_price >1000
-      discount_factor = 0.95
-    else
-      discount_factor = 0.98
-    end
-    base_price * discount_factor
+    a_discount_factor = discount_factor
+    base_price * a_discount_factor
   end
 
   def base_price
     @quantity * @item_price
   end
+
+  def discount_factor
+    base_price > 1000 ? 0.95 : 0.98
+  end
 end