submit-social-housing-lettings-and-sales-data/app/models/validations/sales/sale_information_validations.rb

module Validations::Sales::SaleInformationValidations
  def validate_deposit_range(record)
    return if record.deposit.blank?

    unless record.deposit >= 0 && record.deposit <= 999_999
      record.errors.add :deposit, "Cash deposit must be £0 - £999,999"
    end
  end
end