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benpickles/active_model_style_errors_to_json.rb

Created March 31, 2010 16:18
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ActiveModel-style (Rails 3) `errors.to_json` for your Rails 2 app
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active_model_style_errors_to_json.rb
module ActiveRecord
class Errors
def to_json
inject({}) { |hash, error|
attribute, message = error
hash[attribute] ||= []
hash[attribute] << message
hash
}.to_json
end
end
end
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