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Regular predicates.

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This commit is contained in:
Dominik Pantůček 2023-04-11 22:32:07 +02:00
parent bf2b8ef23a
commit 4bd6837e08
6 changed files with 51 additions and 51 deletions
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72
src/brmember.scm
View file

@ -50,12 +50,12 @@
brmember-usable?
brmember-has-problems?
member-destroyed?
member-suspended?
member-active?
member-student?
member-existing?
member-flags
brmember-destroyed?
brmember-suspended?
brmember-active?
brmember-student?
brmember-existing?
brmember-flags
member-nick
member-id
@ -250,8 +250,8 @@
;; Returns true if the member record represents non-existing
;; member. The *current-month* is a global parameter from period
;; module.
(define (member-destroyed? mr)
(and (not (member-existing? mr))
(define (brmember-destroyed? mr)
(and (not (brmember-existing? mr))
(let ((member (brmember-info mr 'member)))
(if (null? member)
#f
@ -269,37 +269,37 @@
(member-period-predicate? 'suspend))
;; Suspended must not be destroyed
(define (member-suspended? mr)
(define (brmember-suspended? mr)
(and (member-is-suspended? mr)
(not (member-destroyed? mr))))
(not (brmember-destroyed? mr))))
;; True if the member is student
(define member-is-student?
(member-period-predicate? 'student))
;; Only active members can be students.
(define (member-student? mr)
(and (member-active? mr)
(define (brmember-student? mr)
(and (brmember-active? mr)
(member-is-student? mr)))
;; Returns true if the member is active (not suspended or destroyed).
(define (member-active? mr)
(define (brmember-active? mr)
(and (month-in-periods? (brmember-info mr 'member))
(not (member-suspended? mr))))
(not (brmember-suspended? mr))))
;; Returns true if the member is currently a member
(define (member-existing? mr)
(define (brmember-existing? mr)
(month-in-periods?
(brmember-info mr 'member)))
;; Returns a list of flags of given member record.
(define (member-flags mr)
(define (brmember-flags mr)
(filter identity
(list (if (member-student? mr) 'student #f)
(if (member-suspended? mr) 'suspended #f)
(if (member-active? mr) 'active #f)
(if (member-destroyed? mr) 'destroyed #f)
(if (member-existing? mr) 'existing #f))))
(list (if (brmember-student? mr) 'student #f)
(if (brmember-suspended? mr) 'suspended #f)
(if (brmember-active? mr) 'active #f)
(if (brmember-destroyed? mr) 'destroyed #f)
(if (brmember-existing? mr) 'existing #f))))
;; Nickname as string
(define (member-nick mr)
@ -312,7 +312,7 @@
;; Returns the number of months the user is suspended. Zero if not
;; suspended.
(define (member-suspended-months mr)
(if (member-suspended? mr)
(if (brmember-suspended? mr)
(let ((period (periods-match (brmember-info mr 'suspend))))
(if period
(month-diff (car period) (*current-month*))
@ -379,41 +379,41 @@
(brmember-add-highlight (make-ldict) 123 "Interesting..." 0 'info)
(make-ldict
'((highlights . ((123 "Interesting..." 0 info)))))))
(test-true member-destroyed?
(test-true brmember-destroyed?
(parameterize ((*current-month* (list 2023 2)))
(member-destroyed?
(brmember-destroyed?
(make-ldict `((info . ,(make-ldict
`((member . (((2010 1) (2010 5))))))))))))
(test-false member-destroyed?
(test-false brmember-destroyed?
(parameterize ((*current-month* (list 2009 2)))
(member-destroyed?
(brmember-destroyed?
(make-ldict `((info . ,(make-ldict
`((member . (((2001 1) (2010 5))))))))))))
(test-false member-suspended?
(member-suspended?
(test-false brmember-suspended?
(brmember-suspended?
(make-ldict `((info . ,(make-ldict
`((member . (((2015 1) #f))))))))))
(test-true member-suspended?
(test-true brmember-suspended?
(parameterize ((*current-month* (list 2015 2)))
(member-suspended?
(brmember-suspended?
(make-ldict `((info . ,(make-ldict
`((member . (((2015 1) #f)))
(suspend ((2010 1) (2022 4) #f #f))))))))))
(test-true member-suspended?
(test-true brmember-suspended?
(parameterize ((*current-month* (list 2015 2)))
(member-suspended?
(brmember-suspended?
(make-ldict `((info . ,(make-ldict
`((member . (((2015 1) #f)))
(suspend ((2010 1) #f #f #f))))))))))
(test-false member-suspended?
(test-false brmember-suspended?
(parameterize ((*current-month* (list 2023 2)))
(member-suspended?
(brmember-suspended?
(make-ldict `((info . ,(make-ldict
`((member . (((2015 1) #f)))
(suspend ((2010 1) (2022 4) #f #f))))))))))
(test-true member-active?
(test-true brmember-active?
(parameterize ((*current-month* (list 2023 2)))
(member-active?
(brmember-active?
(make-ldict `((info . ,(make-ldict
`((member . (((2015 1) #f)))
(suspend ((2010 1) (2022 4) #f #f))))))))))

2
src/cards.scm
View file

@ -45,7 +45,7 @@
(let* ((rmb (filter-members-by-predicate
mb
(lambda (mr)
(and (member-active? mr)
(and (brmember-active? mr)
(ldict-contains? (ldict-ref mr 'info) type)
(not (null? (ldict-ref (ldict-ref mr 'info) type)))))))
(recs (map (lambda (mr)

2
src/member-fees.scm
View file

@ -84,7 +84,7 @@
(loop (month-add cm)
(cons (list cm
(parameterize ((*current-month* cm))
(member-flags mr)))
(brmember-flags mr)))
cal))))))
;; Returns the first month of the calendar

10
src/members-base.scm
View file

@ -163,13 +163,13 @@
(di1 (ldict-set di0 'invalid
(filter (compose not is-4digit-prime? member-id) members)))
(di2 (ldict-set di1 'active
(filter member-active? members)))
(filter brmember-active? members)))
(di3 (ldict-set di2 'suspended
(filter member-suspended? members)))
(filter brmember-suspended? members)))
(di4 (ldict-set di3 'students
(filter member-student? members)))
(filter brmember-student? members)))
(di5 (ldict-set di4 'destroyed
(filter member-destroyed? members)))
(filter brmember-destroyed? members)))
(di6 (ldict-set di5 'month (*current-month*)))
(di7 (ldict-set di6 'total members)))
di7))
@ -240,7 +240,7 @@
(map
(lambda (mr)
(brmember-info mr 'mail))
(filter member-active?
(filter brmember-active?
(members-base-members mb))))
string-ci<?))

4
src/members-payments.scm
View file

@ -219,10 +219,10 @@
mb
(lambda (mr)
(let ((total (member-total-balance mr))
(fee (lookup-member-fee (if (member-student? mr)
(fee (lookup-member-fee (if (brmember-student? mr)
'student
'regular))))
(and (member-active? mr)
(and (brmember-active? mr)
(< total 0)
(< total (- (* months fee))))))))

12
src/members-print.scm
View file

@ -76,7 +76,7 @@
(string-intersperse
(map symbol->string aliases)
", "))
(when (member-suspended? mr)
(when (brmember-suspended? mr)
(print " Suspended for " (member-suspended-months mr) " months."))
(newline)
(let loop ((sinfo sinfo))
@ -96,7 +96,7 @@
(ansi-string #:red #:bold (number->string mid) " (not prime)")))
(list (sprintf "Alias~A:" (if (> (length aliases) 1) "es" ""))
(string-intersperse (map symbol->string aliases) ", "))
(if (member-suspended? mr)
(if (brmember-suspended? mr)
(list "Suspended for:"
(let ((msm (member-suspended-months mr)))
(sprintf "~A month~A" msm
@ -351,11 +351,11 @@
(payment (ldict-ref balance 'payment))
(total (- (+ credit payment) fees)))
(list (member-nick mr)
(if (member-suspended? mr)
(if (brmember-suspended? mr)
'suspended
(if (member-student? mr)
(if (brmember-student? mr)
'student
(if (member-destroyed? mr)
(if (brmember-destroyed? mr)
'destroyed
'active)))
fees
@ -368,7 +368,7 @@
(if destroyed?
(members-base-members MB)
(filter (lambda (mr)
(not (member-destroyed? mr)))
(not (brmember-destroyed? mr)))
(members-base-members MB)))
member<?)))
(balances (map (lambda (m)