Class: AttributeGuard::LockedAttributesValidator

Inherits:
ActiveModel::Validator
  • Object
show all
Defined in:
lib/attribute_guard.rb

Overview

Validator that checks for changes to locked attributes.

Instance Method Summary collapse

Instance Method Details

#validate(record) ⇒ Object 



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# File 'lib/attribute_guard.rb', line 61

def validate(record)
  unless record.respond_to?(:new_record?)
    raise "AttributeGuard can only be used with models that respond to :new_record?"
  end

  return if record.new_record?

  record.class.send(:locked_attributes).each do |attribute, params|
    if record.changes.include?(attribute) && record.attribute_locked?(attribute)
      message, mode = params
      if mode == :warn
        log_warning(record, attribute)
      elsif mode == :raise
        raise LockedAttributeError.new(error_message(record, attribute))
      elsif mode.is_a?(Proc)
        mode.call(record, attribute)
      else
        record.errors.add(attribute, message)
      end
    end
  end
end