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7 lines
336 B
Ruby
7 lines
336 B
Ruby
class ChangeCaseOnlyValidator < ActiveModel::EachValidator
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def validate_each(record, attribute, value)
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return if value.nil? || record.send(:"#{attribute}_was").nil?
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record.errors.add attribute, :case_change_only if record.send(:"#{attribute}_changed?") && value.downcase == record.send(:"#{attribute}_was").downcase
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end
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end
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