Module: Para::Orderable

Extended by:
ActiveSupport::Concern
Defined in:
lib/para/orderable.rb

Instance Method Summary collapse

Instance Method Details

#orderable_assign_position ⇒ Object 



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# File 'lib/para/orderable.rb', line 10

def orderable_assign_position
  return if attribute_present?(:position)

  last_resource = self.class.unscoped
    .order('position DESC')
    .where.not(position: nil)
    .select(:position)
    .first

  self.position = if last_resource && last_resource.position
    last_resource.position + 1
  else
    0
  end
end