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author | Emilio Tagua <miloops@gmail.com> | 2009-08-05 14:52:07 -0300 |
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committer | Emilio Tagua <miloops@gmail.com> | 2009-08-05 14:52:07 -0300 |
commit | ae175a5354321fd64393b9e1f4080437ee3cdf74 (patch) | |
tree | 43a858b6f5c88ff418c97274f34abe833ff490ce /activemodel/lib/active_model/validations.rb | |
parent | f8eb4434d61fc1585c9b88dbb2d9159ea1f5b2fa (diff) | |
parent | cfd421daa2b04216e27d666361eb4053020e027d (diff) | |
download | rails-ae175a5354321fd64393b9e1f4080437ee3cdf74.tar.gz rails-ae175a5354321fd64393b9e1f4080437ee3cdf74.tar.bz2 rails-ae175a5354321fd64393b9e1f4080437ee3cdf74.zip |
Merge commit 'rails/master'
Diffstat (limited to 'activemodel/lib/active_model/validations.rb')
-rw-r--r-- | activemodel/lib/active_model/validations.rb | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb index 54a869396d..0fca96e5cc 100644 --- a/activemodel/lib/active_model/validations.rb +++ b/activemodel/lib/active_model/validations.rb @@ -66,7 +66,7 @@ module ActiveModel # Declare the validation. send(validation_method(options[:on]), options) do |record| attrs.each do |attr| - value = record.send(attr) + value = record.instance_eval { read_attribute_for_validation(attr) } next if (value.nil? && options[:allow_nil]) || (value.blank? && options[:allow_blank]) yield record, attr, value end @@ -95,6 +95,28 @@ module ActiveModel def invalid? !valid? end + + protected + # Hook method defining how an attribute value should be retieved. By default this is assumed + # to be an instance named after the attribute. Override this method in subclasses should you + # need to retrieve the value for a given attribute differently e.g. + # class MyClass + # include ActiveModel::Validations + # + # def initialize(data = {}) + # @data = data + # end + # + # private + # + # def read_attribute_for_validation(key) + # @data[key] + # end + # end + # + def read_attribute_for_validation(key) + send(key) + end end end |