diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rwxr-xr-x | activerecord/lib/active_record/validations.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb index e683721c7a..544754eeb9 100755 --- a/activerecord/lib/active_record/validations.rb +++ b/activerecord/lib/active_record/validations.rb @@ -188,6 +188,28 @@ module ActiveRecord class_eval(%(#{validation_method(configuration[:on])} %{errors.add("#{attr_name}", "#{configuration[:message]}") unless #{attr_name} and #{attr_name}.to_s.match(/#{configuration[:with]}/)})) end end + + # 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 ), :message=>"woah! what are you then!??!!" + # validates_inclusion_of :age, :in=>0..99 + # end + # + # Configuration options: + # ::in: An enumerable object of available items + # ::message: Specifieds a customer error message (default is: "is not included in the list") + def validates_inclusion_of(*attr_names) + configuration = { :message => ActiveRecord::Errors.default_error_messagess[:inclusion], :on => :save } + configuration.update(attr_names.pop) if attr_names.last.is_a?(Hash) + enum = configuration[:in] + + 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?") + + for attr_name in attr_names + class_eval(%(#{validation_method(configuration[:on])} %{errors.add("#{attr_name}", "#{configuration[:message]}") unless (#{enum.inspect}).include?(#{attr_name}) })) + end + end private def validation_method(on) @@ -290,6 +312,7 @@ module ActiveRecord end @@default_error_messagess = { + :inclusion => "is not included in the list", :invalid => "is invalid", :confirmation => "doesn't match confirmation", :accepted => "must be accepted", |