refactors address validation [#395]

app/models/verification/letter.rb

@@ -37,8 +37,9 @@ class Verification::Letter
     user.letter_verification_code == verification_code
   end
 
-  def increase_letter_verification_tries
-    user.update(letter_verification_tries: user.letter_verification_tries += 1)
+  def correct_address
+    errors.add(:address, I18n.t('verification.letter.errors.address_not_found')) unless
+    address.present?
   end
 
   def update_user_address
@@ -46,10 +47,6 @@ class Verification::Letter
     user.save
   end
 
-  def correct_address
-    errors.add(:address, "Address not found") unless address.present?
-  end
-
   def parsed_address
     { postal_code:   address[:codigo_postal],
       street:        address[:nombre_via],
@@ -66,6 +63,10 @@ class Verification::Letter
       district:      address[:nombre_distrito] }
   end
 
+  def increase_letter_verification_tries
+    user.update(letter_verification_tries: user.letter_verification_tries += 1)
+  end
+
   private
 
     def generate_verification_code