(define-page (regexp "/files/[^/]+/[^/]+")
 (lambda (path) (lambda ()
  (let* ((paths (string-split path "/"))
         (asset_id (second paths))
         (type     (third paths)))
    (send-image "select * from v_images where asset_id = @asset_id and type = @type;" asset_id type)
    ""))) no-template: #t)