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Generate total balance for member.

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This commit is contained in:
Dominik Pantůček 2023-04-01 17:41:59 +02:00
parent d092275797
commit 76ff48329a
3 changed files with 22 additions and 7 deletions
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10
src/member-record.scm
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@ -66,6 +66,7 @@
member-record-add-payment
member-payments
member-balance
member-total-balance
member-record-tests!
)
@ -350,6 +351,15 @@
(define (member-balance mr)
(dict-ref mr 'balance (make-dict)))
;; Computes total member balance from credit, fees and payment
;; information
(define (member-total-balance mr)
(let* ((bal (member-balance mr))
(fees (dict-ref bal 'fees 0))
(credit (dict-ref bal 'credit 0))
(payment (dict-ref bal 'payment)))
(- (+ credit payment) fees)))
;; Self-tests
(define (member-record-tests!)
(run-tests