e2ccdfd812
Update to Rails 2.3.2 (the stable Rails 2.3 release). Add audio/speex support Update CHANGELOG Bump version number
37 lines
2.2 KiB
Ruby
37 lines
2.2 KiB
Ruby
module ActiveModel
|
|
module Validations
|
|
module ClassMethods
|
|
# Validates whether the value of the specified attribute is available in a particular enumerable object.
|
|
#
|
|
# class Person < ActiveRecord::Base
|
|
# validates_inclusion_of :gender, :in => %w( m f )
|
|
# validates_inclusion_of :age, :in => 0..99
|
|
# validates_inclusion_of :format, :in => %w( jpg gif png ), :message => "extension %s is not included in the list"
|
|
# end
|
|
#
|
|
# Configuration options:
|
|
# * <tt>:in</tt> - An enumerable object of available items
|
|
# * <tt>:message</tt> - Specifies a custom error message (default is: "is not included in the list")
|
|
# * <tt>:allow_nil</tt> - If set to +true+, skips this validation if the attribute is null (default is: +false+)
|
|
# * <tt>:allow_blank</tt> - If set to +true+, skips this validation if the attribute is blank (default is: +false+)
|
|
# * <tt>:if</tt> - Specifies a method, proc or string to call to determine if the validation should
|
|
# occur (e.g. <tt>:if => :allow_validation</tt>, or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>). The
|
|
# method, proc or string should return or evaluate to a true or false value.
|
|
# * <tt>:unless</tt> - Specifies a method, proc or string to call to determine if the validation should
|
|
# not occur (e.g. <tt>:unless => :skip_validation</tt>, or <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>). The
|
|
# method, proc or string should return or evaluate to a true or false value.
|
|
def validates_inclusion_of(*attr_names)
|
|
configuration = { :message => ActiveRecord::Errors.default_error_messages[:inclusion], :on => :save }
|
|
configuration.update(attr_names.extract_options!)
|
|
|
|
enum = configuration[:in] || configuration[:within]
|
|
|
|
raise(ArgumentError, "An object with the method include? is required must be supplied as the :in option of the configuration hash") unless enum.respond_to?(:include?)
|
|
|
|
validates_each(attr_names, configuration) do |record, attr_name, value|
|
|
record.errors.add(attr_name, configuration[:message] % value) unless enum.include?(value)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end |