Finished phase005

app/models/vehicle.rb

@@ -3,7 +3,7 @@ class Vehicle < ApplicationRecord
   has_many :fuel_entries, dependent: :restrict_with_error
   has_many :maintenance_entries, dependent: :restrict_with_error
 
-  before_validation :normalize_vin
+  before_validation :normalize_vin, :normalize_licence_plate
 
   validates :make, :model, :color, :vin, :licence_plate, presence: true
   validates :vin, uniqueness: true
@@ -19,4 +19,8 @@ class Vehicle < ApplicationRecord
   def normalize_vin
     self.vin = vin.to_s.strip.upcase if vin.present?
   end
+
+  def normalize_licence_plate
+    self.licence_plate = licence_plate.to_s.strip.upcase if licence_plate.present?
+  end
 end