+ case get_pagination_fields(conn, activities, extra_params) do
+ %{"next" => next_url, "prev" => prev_url} ->
+ put_resp_header(conn, "link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
+
+ _ ->
+ conn
+ end
+ end
+
+ @id_keys Pagination.page_keys() -- ["limit", "order"]
+ defp build_pagination_fields(conn, min_id, max_id, extra_params) do
+ params =
+ conn.params
+ |> Map.drop(Map.keys(conn.path_params))
+ |> Map.merge(extra_params)
+ |> Map.drop(@id_keys)
+
+ %{
+ "next" => current_url(conn, Map.put(params, :max_id, max_id)),
+ "prev" => current_url(conn, Map.put(params, :min_id, min_id)),
+ "id" => current_url(conn)
+ }
+ end
+
+ def get_pagination_fields(conn, activities, extra_params \\ %{}) do