Module: Protective::ClassMethods

Defined in:
lib/protective.rb

Instance Method Summary collapse

Instance Method Details

#protect_if(method, message = nil) ⇒ Object

Protects a record from being destroyed if the passed method evaluates to #present? upon destruction. If a messag is given, it is added to the corresponding #errors object.



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# File 'lib/protective.rb', line 14

def protect_if(method, message = nil)
  unless self < InstanceMethods
    class_attribute :protect_if_methods
    self.protect_if_methods = {}

    before_destroy :destruction_allowed?
    send :include, InstanceMethods
  end

  protect_if_methods[method] = message
end