diff options
Diffstat (limited to 'activemodel/lib/active_model/validator.rb')
-rw-r--r-- | activemodel/lib/active_model/validator.rb | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/activemodel/lib/active_model/validator.rb b/activemodel/lib/active_model/validator.rb index 037650e5ac..690856aee1 100644 --- a/activemodel/lib/active_model/validator.rb +++ b/activemodel/lib/active_model/validator.rb @@ -82,18 +82,16 @@ module ActiveModel # validates :title, presence: true # end # - # Validator may also define a +setup+ instance method which will get called - # with the class that using that validator as its argument. This can be - # useful when there are prerequisites such as an +attr_accessor+ being present. + # It can be useful to access the class that is using that validator when there are prerequisites such + # as an +attr_accessor+ being present. This class is accessable via +options[:class]+ in the constructor. + # To setup your validator override the constructor. # # class MyValidator < ActiveModel::Validator - # def setup(klass) - # klass.send :attr_accessor, :custom_attribute + # def initialize(options={}) + # super + # options[:class].send :attr_accessor, :custom_attribute # end # end - # - # This setup method is only called when used with validation macros or the - # class level <tt>validates_with</tt> method. class Validator attr_reader :options @@ -107,7 +105,8 @@ module ActiveModel # Accepts options that will be made available through the +options+ reader. def initialize(options = {}) - @options = options.freeze + @options = options.except(:class).freeze + deprecated_setup(options) end # Return the kind for this validator. @@ -123,6 +122,21 @@ module ActiveModel def validate(record) raise NotImplementedError, "Subclasses must implement a validate(record) method." end + + private + def deprecated_setup(options) # TODO: remove me in 4.2. + return unless respond_to?(:setup) + ActiveSupport::Deprecation.warn "The `Validator#setup` instance method is deprecated and will be removed on Rails 4.2. Do your setup in the constructor instead: + +class MyValidator < ActiveModel::Validator + def initialize(options={}) + super + options[:class].send :attr_accessor, :custom_attribute + end +end +" + setup(options[:class]) + end end # +EachValidator+ is a validator which iterates through the attributes given |