1 files changed, 13 insertions, 0 deletions
diff --git a/app/models/users/credit_card_validation.rb b/app/models/users/credit_card_validation.rb
index 5e255acd882..a4cc43d1f13 100644
--- a/app/models/users/credit_card_validation.rb
+++ b/app/models/users/credit_card_validation.rb
@@ -7,5 +7,18 @@ module Users
     self.table_name = 'user_credit_card_validations'
 
     belongs_to :user
+
+    validates :holder_name, length: { maximum: 26 }
+    validates :last_digits, allow_nil: true, numericality: {
+      greater_than_or_equal_to: 0, less_than_or_equal_to: 9999
+    }
+
+    def similar_records
+      self.class.where(
+        expiration_date: expiration_date,
+        last_digits: last_digits,
+        holder_name: holder_name
+      ).order(credit_card_validated_at: :desc).includes(:user)
+    end
   end
 end