Start with small tweaks as proof of concept.

Makefile

@@ -209,7 +209,8 @@ MEMBERS-PRINT-SOURCES=members-print.scm dictionary.import.scm		\
 	member-record.import.scm month.import.scm utils.import.scm	\
 	table.import.scm listing.import.scm ansi.import.scm		\
 	period.import.scm primes.import.scm members-base.import.scm	\
-	configuration.import.scm bank-account.import.scm
+	configuration.import.scm bank-account.import.scm		\
+	member-fees.import.scm
 
 members-print.so: members-print.o
 members-print.o: members-print.import.scm

bank-account.scm

@@ -66,17 +66,7 @@
    (cons (cons transaction (car account))
 	 (cdr account)))
 
- ;; Creates a new bank transaction. The order of elements is
- ;; well-suited for fast access to commonly used fields.
- (define (make-bank-transaction id date amount currency varsym)
-   (list varsym amount currency date id))
-
- ;; Accessors for the fields actually used
- (define bank-transaction-varsym car)
- (define bank-transaction-amount cadr)
- (define bank-transaction-currency caddr)
- (define bank-transaction-date cadddr)
- (define (bank-transaction-id tr)
-   (list-ref tr 4))
+ ;; Creates a new bank transaction.
+ (define-record bank-transaction id date amount currency varsym)
 
  )

bbstool.scm

@@ -143,9 +143,15 @@ CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
    (if mr
        (let ()
 	 (print-member-table mr)
-	 (print-member-calendar-table mr)
-	 (print "Total fees: " (member-fees-total mr))
-	 )
+	 (let* ((fees (member-fees-total mr))
+		(credit (member-credit-total mr))
+		(payments (member-payments-total mr))
+		(balance (- (+ credit payments) fees)))
+	   (print "Total fees: " fees)
+	   (print "Total credit: " credit)
+	   (print "Total payments: " payments)
+	   (print "Balance: " balance)
+	   ))
        (print-members-base-table MB))
    (newline))
   ((print-stats)

member-fees.scm

@@ -37,7 +37,7 @@
   member-fees-total
   member-credit-total
   print-members-fees-table
-  print-member-calendar-table
+  member-calendar->table
   )
 
  (import scheme
@@ -89,14 +89,14 @@
    (if e
        (if (member 'existing (cadr e))
 	   (if (member 'suspended (cadr e))
-	       (ansi-string #:bgdarkgrey "   ") ; Suspended
+	       (ansi-string #:bgdarkgrey "  ") ; Suspended
 	       (if (member 'destroyed (cadr e))
-		   (ansi-string #:bgblack "~~~") ; Destroyed
+		   (ansi-string #:bgblack "~~") ; Destroyed
 		   (if (member 'student (cadr e))
-		       (ansi-string #:bgyellow "   ") ; Student
-		       (ansi-string #:bggreen "   ")))) ; Normal
-	   "   ") ; Nonexistent - should not happen
-       "   ")) ; Nonexistent
+		       (ansi-string #:bgyellow "  ") ; Student
+		       (ansi-string #:bggreen "  ")))) ; Normal
+	   "  ") ; Nonexistent - should not happen
+       "  ")) ; Nonexistent
 
  ;; Converts the entry into the fee
  (define (member-calendar-entry->fee e)
@@ -169,18 +169,17 @@
      #:col-border #t #:row0-border #t)))
 
  ;; Nicely print calendar for given member
- (define (print-member-calendar-table mr)
+ (define (member-calendar->table mr)
    (let* ((mc (member-calendar mr))
 	      (fees (member-calendar->fees mc)))
-	 (print (table->string (cons (map (lambda (c)
+     (table->string (cons (map (lambda (c)
 					    (sprintf "\t~A\t" c))
 					  (list "" 1 2 3 4 5 6 7 8 9 10 11 12))
 				     (member-calendar->years-table mc))
-			       #:table-border #t
+			       #:table-border #f
 			       #:row-border #t
 			       #:col-border #t
 			       #:ansi #t
-			       ))
-	 ))
+			       )))
  
  )

members-payments.scm

@@ -29,6 +29,7 @@
  members-payments
  (
   members-payments-process
+  member-payments-total
   )
 
  (import scheme
@@ -81,4 +82,9 @@
 		accounts))
        mb))
 
+ ;; Total amount paid
+ (define (member-payments-total mr)
+   (foldl + 0 (map bank-transaction-amount
+		   (member-payments mr))))
+
  )

members-print.scm

@@ -54,7 +54,8 @@
 	 primes
 	 members-base
 	 configuration
-	 bank-account)
+	 bank-account
+	 member-fees)
 
  ;; Prints human-readable information
  (define (print-member-info mr)
@@ -139,9 +140,10 @@
  (define (print-member-table mr)
    (print
     (table->string
-     (list (list "Basic Information" "Payments")
+     (list (list "Basic Information" "Payments" "Membership Status")
 	   (list (member-info->table mr)
-		 (member-payments->table mr))
+		 (member-payments->table mr)
+		 (member-calendar->table mr))
 	   )
      #:row0-border #t
      #:col-border #t)))