class Sequencer
  class Unit
    module Import
      module Zendesk
        module User
          class Groups < Sequencer::Unit::Common::Provider::Named

            uses :resource, :group_map, :user_group_map

            private

            def groups
              remote_ids.map { |remote_id| group_map[remote_id] }
                        .compact
                        .map { |local_id| ::Group.find(local_id) }
            end

            def remote_ids
              return [] if user_group_map.blank?
              user_group_map.fetch(resource.id, [])
            end
          end
        end
      end
    end
  end
end