class Customer < ApplicationRecord
  validates :name, presence: true, length: { minimum: 5 }
  validates :street, presence: true, length: { minimum: 5 }
  validates :postcode, presence: true, length: { minimum: 5 }
  validates :city, presence: true, length: { minimum: 3 }
  validates :nip, presence: true, length: {minimum: 13}

  belongs_to :user

  def adress
    self.street + "; " + self.postcode + " " + self.city
  end
end