Restream/redmine_elasticsearch

class ProjectSerializer < BaseSerializer
  attributes :name, :description,
    :homepage, :identifier,
    :created_on,
    :updated_on,
    :is_public,
    :custom_field_values,
    :project_id

  has_many :attachments, serializer: AttachmentSerializer

  def custom_field_values
    fields = object.custom_field_values.find_all { |cfv| cfv.custom_field.searchable? }
    fields.map(&:to_s)
  end

  def _parent
    object.id
  end

  def project_id
    object.id
  end
end