irb(main):058:0> User.login_method("2223334444") NoMethodError: undefined method `gsub' for nil:NilClass from (irb):9:in `format_mobile' from /home/patrick/Rails/goldengoose/app/models/user.rb:29:in `login_method' from (irb):58 from /home/patrick/.rvm/gems/ruby-1.9.3-p374/gems/railties-3.2.11/lib/rails/commands/console.rb:47:in `start' from /hom…

User.rb

#error:
# irb(main):058:0> User.login_method("2223334444")
# NoMethodError: undefined method `gsub' for nil:NilClass
#   from (irb):9:in `format_mobile'
#	  from /home/patrick/Rails/goldengoose/app/models/user.rb:29:in `login_method'
#	  from (irb):58
#	  from /home/patrick/.rvm/gems/ruby-1.9.3-p374/gems/railties-3.2.11/lib/rails/commands/console.rb:47:in `start'
#	  from /home/patrick/.rvm/gems/ruby-1.9.3-p374/gems/railties-3.2.11/lib/rails/commands/console.rb:8:in `start'
#	  from /home/patrick/.rvm/gems/ruby-1.9.3-p374/gems/railties-3.2.11/lib/rails/commands.rb:41:in `<top (required)>'
#	  from script/rails:6:in `require'
#	  from script/rails:6:in `<main>'

class User < ActiveRecord::Base
  has_secure_password
  attr_accessible :address, :city, :email, :email_verified, :first_name, :last_name, :mobile, :mobile_verified, :password, :password_confirmation, :state, :zipcode, :login
  #before_validation { |m| m.mobile.gsub!(/\D+/, '').gsub(/^(1|0)+/,'') }
  before_validation do
    # self.mobile = mobile.gsub!(/\D+/, '').gsub(/^(1|0)+/,'') if attribute_present?("mobile")
    self.mobile = format_mobile(mobile)
  end
  has_many :subscriptions
  has_many :actions
  has_many :vouchers
  
  validates :email, presence: true, uniqueness: true
  validates :mobile, presence: true, uniqueness: true
  #validates_uniqueness_of :email
  #validates_uniqueness_of :mobile
  #validates_presence_of :email
  #validates_presence_of :mobile
  validates_presence_of :password, :on => :create

  def format_mobile(mobile)
    mobile.gsub(/\D+/, '').gsub(/^(1|0)+/,'')
  end
  def self.login_method(login)
  	if login.include?("@") 
  	  self.find_by_email(login)
  	else
  	  # mobile = self.login.gsub!(/\D+/, '').gsub(/^(1|0)+/,'')
  	  login = format_mobile(login)
      self.find_by_mobile(login)
  	end
  end
end