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#!/usr/bin/guile \
-e main -s
!#
(add-to-load-path ".")
(use-modules (srfi srfi-1)
(srfi srfi-19)
(srfi srfi-26)
(vcalendar)
(code))
;;; ------------------------------------------------------------
(define (parse-dates! cal)
;;; Parse all start times into scheme date objects.
(for-each-in (children cal 'VEVENT)
(cut transform-attr! <> "DTSTART"
(lambda (start)
(localize-date
(string->date
start
(case (string-length start)
((8) "~Y~m~d")
((15) "~Y~m~dT~H~M~S")
((16) "~Y~m~dT~H~M~S~z"))))))))
(define (search cal term)
(cdr (let ((events (filter (lambda (ev) (eq? 'VEVENT (type ev)))
(children cal))))
(find (lambda (ev) (string-contains-ci (car ev) term))
(map cons (map (cut get-attr <> "SUMMARY")
events)
events)))))
(define (main args)
(define path
(if (null? (cdr (command-line)))
"testcal/d1-b.ics"
(cadr (command-line))))
(define cal (make-vcomponent path))
(parse-dates! cal)
;; Sort the events, and print a simple agenda.
(for-each-in (sort* (children cal 'VEVENT)
time<? (compose date->time-utc (extract "DTSTART")))
(lambda (ev) (format #t "~a | ~a~%"
(let ((start (get-attr ev "DTSTART")))
(color-if (date-today? start) STR-YELLOW
(date->string start "~1 ~H:~M")))
(get-attr ev "SUMMARY")))))
#; (define pizza-event (search cal "pizza"))
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