reduce precision to 1 digit

app/models/reading.rb

@@ -11,4 +11,24 @@ class Reading < ActiveRecord::Base
     self.high_tarif == reading.high_tarif
   end
   
+  # reduce precision to 1 digit behind comma
+  def total_kwh_consumed_high=(kwh)
+    write_attribute(:total_kwh_consumed_high,kwh.round(1))
+  end
+
+  # reduce precision to 1 digit behind comma
+  def total_kwh_consumed_low=(kwh)
+    write_attribute(:total_kwh_consumed_low,kwh.round(1))
+  end
+
+  # reduce precision to 1 digit behind comma
+  def total_kwh_produced_high=(kwh)
+    write_attribute(:total_kwh_produced_high,kwh.round(1))
+  end
+
+  # reduce precision to 1 digit behind comma
+  def total_kwh_produced_low=(kwh)
+    write_attribute(:total_kwh_produced_low,kwh.round(1))
+  end
+
 end