Wednesday, October 8, 2014
Hello,
-- I want to restrict my users having more than one address.
Here are the definitions from my classes :
class User < ActiveRecord::Base has_one :address, dependent: :destroy end class Address < ActiveRecord::Base belongs_to :user validates :user, presence: true validate :user_association def user_association unless Address.where(user_id: user.id).count == 0 errors.add(:user_id, 'Only one address per user') end end endI'm creating my address from user model, like this :
def create_address_relation a = Address.create(address_type: @type.to_s, user_id: id) self.address = a endHowever when I'm able to create two address objects for same user. (I'm using paranoia gem for soft deleting objects, not sure if that is relevant)
Any suggestion how to make validations work? except unique index on the db
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