Module: ExpectedBehavior::ActsAsArchival::ActMethods

Defined in:
lib/expected_behavior/acts_as_archival.rb

Instance Method Summary collapse

Instance Method Details

#acts_as_archival(options = { }) ⇒ Object



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# File 'lib/expected_behavior/acts_as_archival.rb', line 14

def acts_as_archival(options = { })
  unless included_modules.include? InstanceMethods
    include InstanceMethods

    before_validation :raise_if_not_archival
    validate :readonly_when_archived if options[:readonly_when_archived]

    scope :archived, lambda { where.not(:archived_at => nil, :archive_number => nil) }
    scope :unarchived, lambda { where(:archived_at => nil, :archive_number => nil) }
    scope :archived_from_archive_number, lambda { |head_archive_number| where(['archived_at IS NOT NULL AND archive_number = ?', head_archive_number]) }

    callbacks = ['archive','unarchive']
    if ActiveSupport::VERSION::STRING >= '5'
      define_callbacks(*[callbacks].flatten)
    elsif ActiveSupport::VERSION::STRING >= '4'
      define_callbacks(*[callbacks, {:terminator => -> (_, result) { result == false }}].flatten)
    end
    callbacks.each do |callback|
      eval <<-end_callbacks
        unless defined?(before_#{callback})
          def before_#{callback}(*args, &blk)
            set_callback(:#{callback}, :before, *args, &blk)
          end
        end
        unless defined?(after_#{callback})
          def after_#{callback}(*args, &blk)
            set_callback(:#{callback}, :after, *args, &blk)
          end
        end
      end_callbacks
    end
  end
end