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(reverse res))))
;; expand a complex cron string to a list of cron strings
;;
;; x/y => x, x+y, x+2y, x+3y while x+Ny<max_for_field
;; a,b,c => a, b ,c
;;
(define (common:cron-expand cron-str)
(if (list? cron-str)
(map common:cron-expand cron-str)
(let ((cron-items (string-split cron-str))
(slash-rx (regexp "(\\d+)/(\\d+)"))
(comma-rx (regexp ".*,.*"))
(max-vals '((min . 60)
(hour . 24)
(dayofmonth . 28) ;;; BUG!!!! This will be a bug for some combinations
(month . 12)
(dayofweek . 7))))
(if (< (length cron-items) 5) ;; bad spec
`(,cron-str) ;; just return the string, something downstream will fix it
(let loop ((hed (car cron-items))
(tal (cdr cron-items))
(type 'min)
(type-tal '(hour dayofmonth month dayofweek))
(res '()))
(regex-case
hed
(slash-rx ( _ base incr ) (let* ((basen (string->number base))
(incrn (string->number incr))
(expanded-vals (common:expand-cron-slash basen incrn (alist-ref type max-vals)))
(new-list-crons (fold (lambda (x myres)
(cons (conc (string-intersperse res " ") " " x " " (string-intersperse tal " "))
myres))
'() expanded-vals)))
(print "new-list-crons: " new-list-crons)
new-list-crons))
;; (map common:cron-expand (map common:cron-expand new-list-crons))))
(else (if (null? tal)
cron-str
(loop (car tal)(cdr tal)(car type-tal)(cdr type-tal)(append res (list hed)))))))))))
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;; min hour dayofmonth month dayofweek
;; 0-59 0-23 1-31 1-12 0-6 ### NOTE: dayofweek does not include 7
;;
;; #t => yes, run the job
;; #f => no, do not run the job
;;
(define (common:cron-event cron-str now-seconds-in last-done) ;; ref-seconds = #f is NOW.
(let* ((cron-items (map string->number (string-split cron-str)))
(now-seconds (or now-seconds-in (current-seconds)))
(now-time (seconds->local-time now-seconds))
(last-done-time (seconds->local-time last-done))
(all-times (make-hash-table)))
;; (print "cron-items: " cron-items "(length cron-items): " (length cron-items))
(if (not (eq? (length cron-items) 5)) ;; don't even try to figure out junk strings
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(reverse res))))
;; expand a complex cron string to a list of cron strings
;;
;; x/y => x, x+y, x+2y, x+3y while x+Ny<max_for_field
;; a,b,c => a, b ,c
;;
;; NOTE: with flatten a lot of the crud below can be factored down.
;;
(define (common:cron-expand cron-str)
(if (list? cron-str)
(flatten
(fold (lambda (x res)
(if (list? x)
(let ((newres (map common:cron-expand x)))
(append x newres))
(cons x res)))
'()
cron-str)) ;; (map common:cron-expand cron-str))
(let ((cron-items (string-split cron-str))
(slash-rx (regexp "(\\d+)/(\\d+)"))
(comma-rx (regexp ".*,.*"))
(max-vals '((min . 60)
(hour . 24)
(dayofmonth . 28) ;;; BUG!!!! This will be a bug for some combinations
(month . 12)
(dayofweek . 7))))
(if (< (length cron-items) 5) ;; bad spec
cron-str ;; `(,cron-str) ;; just return the string, something downstream will fix it
(let loop ((hed (car cron-items))
(tal (cdr cron-items))
(type 'min)
(type-tal '(hour dayofmonth month dayofweek))
(res '()))
(regex-case
hed
(slash-rx ( _ base incr ) (let* ((basen (string->number base))
(incrn (string->number incr))
(expanded-vals (common:expand-cron-slash basen incrn (alist-ref type max-vals)))
(new-list-crons (fold (lambda (x myres)
(cons (conc (if (null? res)
""
(conc (string-intersperse res " ") " "))
x " " (string-intersperse tal " "))
myres))
'() expanded-vals)))
;; (print "new-list-crons: " new-list-crons)
;; (fold (lambda (x res)
;; (if (list? x)
;; (let ((newres (map common:cron-expand x)))
;; (append x newres))
;; (cons x res)))
;; '()
(flatten (map common:cron-expand new-list-crons))))
;; (map common:cron-expand (map common:cron-expand new-list-crons))))
(else (if (null? tal)
cron-str
(loop (car tal)(cdr tal)(car type-tal)(cdr type-tal)(append res (list hed)))))))))))
;; given a cron string and the last time event was processed return #t to run or #f to not run
;;
;; min hour dayofmonth month dayofweek
;; 0-59 0-23 1-31 1-12 0-6 ### NOTE: dayofweek does not include 7
;;
;; #t => yes, run the job
;; #f => no, do not run the job
;;
(define (common:cron-event cron-str now-seconds-in last-done) ;; ref-seconds = #f is NOW.
(let* ((cron-items (map string->number (string-split cron-str)))
(now-seconds (or now-seconds-in (current-seconds)))
(now-time (seconds->local-time now-seconds))
(last-done-time (seconds->local-time last-done))
(all-times (make-hash-table)))
;; (print "cron-items: " cron-items "(length cron-items): " (length cron-items))
(if (not (eq? (length cron-items) 5)) ;; don't even try to figure out junk strings
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(print "Last: " (time->string (seconds->local-time last-done)))
(if (< last-done before)
(set! is-in before))
))
(set! before moment))
(sort (hash-table-keys all-times) <))
is-in)))))
;;======================================================================
;; C O L O R S
;;======================================================================
(define (common:name->iup-color name)
(case (string->symbol (string-downcase name))
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(print "Last: " (time->string (seconds->local-time last-done)))
(if (< last-done before)
(set! is-in before))
))
(set! before moment))
(sort (hash-table-keys all-times) <))
is-in)))))
(define (common:extended-cron cron-str now-seconds-in last-done)
(let ((expanded-cron (common:cron-expand cron-str)))
(let loop ((hed (car expanded-cron))
(tal (cdr expanded-cron)))
(if (cron-event hed now-seconds-in last-done)
#t
(if (null? tal)
#f
(loop (car tal)(cdr tal)))))))
;;======================================================================
;; C O L O R S
;;======================================================================
(define (common:name->iup-color name)
(case (string->symbol (string-downcase name))
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