adopt-a-hydrant/app/models/user.rb

class User < ActiveRecord::Base
  devise :database_authenticatable, :registerable, :recoverable, :rememberable,
    :trackable, :validatable
  attr_accessible :address_1, :address_2, :city, :email, :name, :organization,
    :password, :password_confirmation, :remember_me, :sms_number, :state,
    :voice_number, :zip
  validates_format_of :email, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i
  validates_formatting_of :zip, :using => :us_zip, :allow_blank => true
  validates_presence_of :name
  has_many :reminders_to, :class_name => "Reminder", :foreign_key => "to_user_id"
  has_many :reminders_from, :class_name => "Reminder", :foreign_key => "from_user_id"
  has_many :things
  before_validation :remove_non_digits_from_phone_numbers
  def remove_non_digits_from_phone_numbers
    self.sms_number = self.sms_number.to_s.gsub(/\D/, '').to_i if self.sms_number.present?
    self.voice_number = self.voice_number.to_s.gsub(/\D/, '').to_i if self.voice_number.present?
  end
end