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odigity/attribute immutability validator for sequel gem

Last active October 6, 2015 02:35
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attribute immutability validator for sequel gem
class ModelBase
# depends on Dirty plugin: http://www.rubydoc.info/gems/sequel/Sequel/Plugins/Dirty
def validates_unchanged(attribute)
errors.add(attribute, 'cannot be modified') if !new? and column_changed?(attribute)
end
end
class Model < ModelBase
def validate
validates_unchanged :username
end
end
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