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## Rails 4.0.0 (unreleased) ##
* Due to a change in builder, nil values and empty strings now generates
closed tags, so instead of this:
<pseudonyms nil=\"true\"></pseudonyms>
It generates this:
<pseudonyms nil=\"true\"/>
*Carlos Antonio da Silva*
* Changed inclusion and exclusion validators to accept a symbol for `:in` option.
This allows to use dynamic inclusion/exclusion values using methods, besides the current lambda/proc support.
*Gabriel Sobrinho*
* `AM::Validation#validates` ability to pass custom exception to `:strict` option.
*Bogdan Gusiev*
* Changed `ActiveModel::Serializers::Xml::Serializer#add_associations` to by default
propagate `:skip_types, :dasherize, :camelize` keys to included associations.
It can be overriden on each association by explicitly specifying the option on one
or more associations
*Anthony Alberto*
* Changed `AM::Serializers::JSON.include_root_in_json' default value to false.
Now, AM Serializers and AR objects have the same default behaviour. Fixes #6578.
class User < ActiveRecord::Base; end
class Person
include ActiveModel::Model
include ActiveModel::AttributeMethods
include ActiveModel::Serializers::JSON
attr_accessor :name, :age
def attributes
instance_values
end
end
user.as_json
=> {"id"=>1, "name"=>"Konata Izumi", "age"=>16, "awesome"=>true}
# root is not included
person.as_json
=> {"name"=>"Francesco", "age"=>22}
# root is not included
*Francesco Rodriguez*
* Passing false hash values to `validates` will no longer enable the corresponding validators *Steve Purcell*
* `ConfirmationValidator` error messages will attach to `:#{attribute}_confirmation` instead of `attribute` *Brian Cardarella*
* Added ActiveModel::Model, a mixin to make Ruby objects work with AP out of box *Guillermo Iguaran*
* `AM::Errors#to_json`: support `:full_messages` parameter *Bogdan Gusiev*
* Trim down Active Model API by removing `valid?` and `errors.full_messages` *José Valim*
* When `^` or `$` are used in the regular expression provided to `validates_format_of` and the :multiline option is not set to true, an exception will be raised. This is to prevent security vulnerabilities when using `validates_format_of`. The problem is described in detail in the Rails security guide.
Please check [3-2-stable](https://github.com/rails/rails/blob/3-2-stable/activemodel/CHANGELOG.md) for previous changes.
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