lib/plu.rb in plu-0.0.1 vs lib/plu.rb in plu-0.0.2

@@ -1,16 +1,17 @@
+require "csv"
+
 class PLU
 
   def initialize(number)
     @number = number.to_s
   end
 
   def valid?
     /\A[89]?[34]\d{3}\z/.match(@number)
   end
 
-  # TODO more items
   def name
     self.class.all[base]
   end
 
   def organic?
@@ -19,13 +20,18 @@
 
   def gm?
     modifier == "8"
   end
 
+  # TODO more items
   def self.all
-    {
-      "4011" => "Bananas"
-    }
+    @all ||= begin
+      all = {}
+      CSV.foreach File.expand_path("../../plu_codes.csv", __FILE__), headers: true do |row|
+        all[row["PLU Code"]] = row["Name"]
+      end
+      all
+    end
   end
 
   protected
 
   def base