using services, ::Videos do
        videos_index = lambda do |videos, request|
          page = request.fetch("page", 1)
          page_size = request.fetch("page_size", 100)
          channel = request["channel"]
          query = request["query"]
          filter = { :published_at.lte => DateTime.now }

          videos.index(page, page_size, channel, query, filter)
        end
        # [GET] /
        get("/", &videos_index)

        # [GET] /videos
        get("/videos", &videos_index)