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author | José Valim <jose.valim@gmail.com> | 2009-08-07 16:10:17 +0200 |
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committer | José Valim <jose.valim@gmail.com> | 2009-08-07 16:10:17 +0200 |
commit | dac8927b0576bff89ba3a4fcbf502dffc9b39e89 (patch) | |
tree | 58c25132a52ef5cc56f406f8e2df416c5f2776a6 /activemodel/lib/active_model/validations.rb | |
parent | 072c87b532a0bfb334787928248863a2561dc849 (diff) | |
parent | 606e950ccbd02a10f724c73543575a2a4e1ed8cb (diff) | |
download | rails-dac8927b0576bff89ba3a4fcbf502dffc9b39e89.tar.gz rails-dac8927b0576bff89ba3a4fcbf502dffc9b39e89.tar.bz2 rails-dac8927b0576bff89ba3a4fcbf502dffc9b39e89.zip |
Merge branch 'master' of git://github.com/rails/rails into old
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..7d49e60790 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.send(: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 |