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* `AM::Errors#to_json`: support `:full_messages` parameter *Bogdan Gusiev*
* Trim down Active Model API by removing `valid?` and `errors.full_messages` *José Valim*
## Rails 3.2.0 (January 20, 2012) ##
* Deprecated `define_attr_method` in `ActiveModel::AttributeMethods`, because this only existed to
support methods like `set_table_name` in Active Record, which are themselves being deprecated.
*Jon Leighton*
* Add ActiveModel::Errors#added? to check if a specific error has been added *Martin Svalin*
* Add ability to define strict validation(with :strict => true option) that always raises exception when fails *Bogdan Gusiev*
* Deprecate "Model.model_name.partial_path" in favor of "model.to_partial_path" *Grant Hutchins, Peter Jaros*
* Provide mass_assignment_sanitizer as an easy API to replace the sanitizer behavior. Also support both :logger (default) and :strict sanitizer behavior *Bogdan Gusiev*
## Rails 3.1.0 (August 30, 2011) ##
* Alternate I18n namespace lookup is no longer supported.
Instead of "activerecord.models.admins.post", do "activerecord.models.admins/post" instead *José Valim*
* attr_accessible and friends now accepts :as as option to specify a role *Josh Kalderimis*
* Add support for proc or lambda as an option for InclusionValidator,
ExclusionValidator, and FormatValidator *Prem Sichanugrist*
You can now supply Proc, lambda, or anything that respond to #call in those
validations, and it will be called with current record as an argument.
That given proc or lambda must returns an object which respond to #include? for
InclusionValidator and ExclusionValidator, and returns a regular expression
object for FormatValidator.
* Added ActiveModel::SecurePassword to encapsulate dead-simple password usage with BCrypt encryption and salting *DHH*
* ActiveModel::AttributeMethods allows attributes to be defined on demand *Alexander Uvarov*
* Add support for selectively enabling/disabling observers *Myron Marston*
## Rails 3.0.7 (April 18, 2011) ##
* No changes.
* Rails 3.0.6 (April 5, 2011)
* Fix when database column name has some symbolic characters (e.g. Oracle CASE# VARCHAR2(20)) #5818 #6850 *Robert Pankowecki, Santiago Pastorino*
* Fix length validation for fixnums #6556 *Andriy Tyurnikov*
* Fix i18n key collision with namespaced models #6448 *yves.senn*
## Rails 3.0.5 (February 26, 2011) ##
* No changes.
## Rails 3.0.4 (February 8, 2011) ##
* No changes.
## Rails 3.0.3 (November 16, 2010) ##
* No changes.
## Rails 3.0.2 (November 15, 2010) ##
* No changes
## Rails 3.0.1 (October 15, 2010) ##
* No Changes, just a version bump.
## Rails 3.0.0 (August 29, 2010) ##
* Added ActiveModel::MassAssignmentSecurity *Eric Chapweske, Josh Kalderimis*
* JSON supports a custom root option: to_json(:root => 'custom') #4515 *Jatinder Singh*
* #new_record? and #destroyed? were removed from ActiveModel::Lint. Use
persisted? instead. A model is persisted if it's not a new_record? and it was
not destroyed? *MG*
* Added validations reflection in ActiveModel::Validations *JV*
Model.validators
Model.validators_on(:field)
* #to_key was added to ActiveModel::Lint so we can generate DOM IDs for
AMo objects with composite keys *MG*
* ActiveModel::Observer#add_observer!
It has a custom hook to define after_find that should really be in a
ActiveRecord::Observer subclass:
def add_observer!(klass)
klass.add_observer(self)
klass.class_eval 'def after_find() end' unless klass.respond_to?(:after_find)
end
* Change the ActiveModel::Base.include_root_in_json default to true for Rails 3 *DHH*
* Add validates_format_of :without => /regexp/ option. #430 *Elliot Winkler, Peer Allan*
Example :
validates_format_of :subdomain, :without => /www|admin|mail/
* Introduce validates_with to encapsulate attribute validations in a class. #2630 *Jeff Dean*
* Extracted from Active Record and Active Resource.
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