gistfile1.txt

class Credentials
  include Support::Base

  attribute :password, String
  attribute :password_confirmation, String

  with_options allow_blank: true do |v|
    v.validates :password, confirmation: {       message: proc{ error_msg(:password, :passwords_dont_match) } }
    v.validates :password, length: { minimum: 8, maximum: 50, message: proc{ error_msg(:password, :invalid)              } }
    # v.validates :password, format: { with: /[^[:alpha:]]/ }
    v.validates :password, format: { with: /^.*[a-zA-Z].*\d.*|.*\d.*[a-zA-Z].*$/ }
  end

  validates :password, :password_confirmation, presence: true

  def valid?(context=nil)
    super (context || {})
  end

  private

  def validate(context=nil)
    unless password.blank? || password_confirmation.blank?
      errors.add(:password, :cannot_match_email)  if password == context[:email]
      errors.add(:password, :password_has_spaces) if password.strip != password

      # loic: i'm not sure if it's =~ or ~= and if it's if or unless, please just try it out
      # this way all the other validations can run before yours
      if errors[:password].blank? # no errors yet
        # now do the big final check
        errors.add(:password, :invalid) unless password =~ /^.*[a-zA-Z].*\d.*|.*\d.*[a-zA-Z].*$/
      end
    end
  end

end