class FlaggedTopicSummarySerializer < ActiveModel::Serializer attributes( :id, :flag_counts, :user_ids, :last_flag_at ) has_one :topic, serializer: FlaggedTopicSerializer def id topic.id end def flag_counts object.flag_counts.map do |k, v| { post_action_type_id: k, count: v, name_key: PostActionType.types[k] } end end def user_ids object.user_ids end def last_flag_at object.last_flag_at end end