lib/vindetta/decoder.rb in vindetta-0.20.0 vs lib/vindetta/decoder.rb in vindetta-0.21.0

@@ -3,10 +3,27 @@
     def self.vin(vin)
       {
         :plant_code => vin[PLANT_CODE_INDEX],
         :wmi => vin[WMI_RANGE],
         :check_digit => vin[CHECK_DIGIT_INDEX],
-        :production_number => vin[PRODUCTION_NUMBER_RANGE]
+        :production_number => vin[PRODUCTION_NUMBER_RANGE],
+        :model_year => model_year(vin),
       }
+    end
+
+    private
+
+    def self.model_year(vin)
+      @years ||= YAML.load_file(File.expand_path("../data/vis.yaml", __FILE__))["year"]
+      @alpha ||= "ABCDEFGHJKLMNPRSTUVWXYZ".chars
+
+      tenth = vin[9]
+      seventh = vin[6]
+
+      if @alpha.include?(seventh)
+        @years[tenth].last
+      else
+        @years[tenth].first
+      end
     end
   end
 end