rotaliator

(import '(java.util Base64))

(defn b64encode-to-bytes [to-encode]
  (.encode (Base64/getEncoder) (.getBytes to-encode)))

(defn b64encode [to-encode]
  (.encodeToString (Base64/getEncoder) (.getBytes to-encode)))

(defn b64decode [to-decode]
  (String. (.decode (Base64/getDecoder) (.getBytes to-decode))))

rotaliator

(defun rot-time-duration (begin &optional end)
  (if end
      (org-minutes-to-clocksum-string
       (- (org-duration-to-minutes end)
          (org-duration-to-minutes begin)))
    (seq-let (begin end) (mapcar 's-trim (s-split "-" begin))
      (rot-time-duration begin end))))


;; (rot-time-duration "9:00" "17:00")