/
validatable.rb
40 lines (33 loc) · 1.52 KB
/
validatable.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
module Devise
module Models
# Validatable creates all needed validations for a user email and password.
# It's optional, given you may want to create the validations by yourself.
# Automatically validate if the email is present, unique and it's format is
# valid. Also tests presence of password, confirmation and length
module Validatable
# Email regex used to validate email formats. Retrieved from authlogic.
EMAIL_REGEX = /\A[\w\.%\+\-]+@(?:[A-Z0-9\-]+\.)+(?:[A-Z]{2,4}|museum|travel)\z/i
def self.included(base)
base.class_eval do
attribute = authentication_keys.first
validates_presence_of attribute
validates_uniqueness_of attribute, :allow_blank => true
validates_format_of attribute, :with => EMAIL_REGEX, :allow_blank => true,
:scope => authentication_keys[1..-1]
with_options :if => :password_required? do |v|
v.validates_presence_of :password
v.validates_confirmation_of :password
v.validates_length_of :password, :within => 6..20, :allow_blank => true
end
end
end
protected
# Checks whether a password is needed or not. For validations only.
# Passwords are always required if it's a new record, or if the password
# or confirmation are being set somewhere.
def password_required?
new_record? || !password.nil? || !password_confirmation.nil?
end
end
end
end