On Wed, Nov 28, 2007 at 09:14:34AM -0800, Andrew Sackville-West wrote:

> 
> I'm ready to post except for all the (display (list foo bar
> baz))(newline)'s everywhere from debugging. I'll put mine up today. 

here is my report as it currently stands. I haven't cleaned up
*anything* so its a little ugly. I'm including here the whole report
instead of a diff so that you can look at it in context. I have not
tested in thoroughly (isn't that what users are for?) but I'm fairly
confident of the logic. 

Your comments appreciated.

A
;; -*-scheme-*- ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; advanced-portfolio.scm
;; by Martijn van Oosterhout ([EMAIL PROTECTED]) Feb 2002
;; modified for GnuCash 1.8 by Herbert Thoma ([EMAIL PROTECTED]) Oct 2002
;;
;; Heavily based on portfolio.scm
;; by Robert Merkel ([EMAIL PROTECTED])
;;
;; This program is free software; you can redistribute it and/or    
;; modify it under the terms of the GNU General Public License as   
;; published by the Free Software Foundation; either version 2 of   
;; the License, or (at your option) any later version.              
;;                                                                  
;; This program is distributed in the hope that it will be useful,  
;; but WITHOUT ANY WARRANTY; without even the implied warranty of   
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    
;; GNU General Public License for more details.                     
;;                                                                  
;; You should have received a copy of the GNU General Public License
;; along with this program; if not, contact:
;;
;; Free Software Foundation           Voice:  +1-617-542-5942
;; 51 Franklin Street, Fifth Floor    Fax:    +1-617-542-2652
;; Boston, MA  02110-1301,  USA       [EMAIL PROTECTED]
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(define-module (gnucash report advanced-portfolio))

(use-modules (gnucash main)) ;; FIXME: delete after we finish modularizing.
(use-modules (srfi srfi-1))
(use-modules (ice-9 slib))
(use-modules (gnucash gnc-module))

(require 'printf)

(gnc:module-load "gnucash/report/report-system" 0)

(define reportname (N_ "Advanced Portfolio"))

(define optname-price-source (N_ "Price Source"))
(define optname-shares-digits (N_ "Share decimal places"))
(define optname-zero-shares (N_ "Include accounts with no shares"))
(define optname-include-gains (N_ "Include gains and losses"))
(define optname-show-symbol (N_ "Show ticker symbols"))
(define optname-show-listing (N_ "Show listings"))
(define optname-show-price (N_ "Show prices"))
(define optname-show-shares (N_ "Show number of shares"))
(define optname-basis-method (N_ "Basis calculation method"))
(define optname-prefer-pricelist (N_ "Set preference for price list data"))

(define (options-generator)
  (let* ((options (gnc:new-options)) 
         ;; This is just a helper function for making options.
         ;; See gnucash/src/scm/options.scm for details.
         (add-option 
          (lambda (new-option)
            (gnc:register-option options new-option))))

    ;; General Tab
    ;; date at which to report balance
    (gnc:options-add-report-date!
     options gnc:pagename-general 
     (N_ "Date") "a")

    (gnc:options-add-currency! 
     options gnc:pagename-general (N_ "Report Currency") "c")

    (add-option
     (gnc:make-multichoice-option
      gnc:pagename-general optname-price-source
      "d" (N_ "The source of price information") 'pricedb-nearest
      (list (vector 'pricedb-latest 
                    (N_ "Most recent")
                    (N_ "The most recent recorded price"))
            (vector 'pricedb-nearest
                    (N_ "Nearest in time")
                    (N_ "The price recorded nearest in time to the report 
date"))
            (vector 'pricedb-latest-before
                    (N_ "Most recent to report")
                    (N_ "The most recent recorded price before report date"))
            )))
    
    (add-option
     (gnc:make-multichoice-option
      gnc:pagename-general optname-basis-method
      "e" (N_ "Basis calculation method") 'average-basis
      (list (vector 'average-basis
                    (N_ "Average")
                    (N_ "Use average cost of all shares for basis"))
            (vector 'fifo-basis
                    (N_ "FIFO")
                    (N_ "Use first-in first-out method for basis"))
            (vector 'filo-basis
                    (N_ "FILO")
                    (N_ "Use first-in last-out method for basis"))
            )))

    (add-option
     (gnc:make-simple-boolean-option
      gnc:pagename-general optname-prefer-pricelist "f" 
      (N_ "Prefer use of price editor pricing over transactions, where 
applicable.")
      #t))


    (gnc:register-option 
     options 
     (gnc:make-simple-boolean-option
      gnc:pagename-general optname-include-gains "g" 
      (N_ "Include splits with no shares for calculating money-in and 
money-out")
      #f))

    (gnc:register-option
      options
      (gnc:make-simple-boolean-option
        gnc:pagename-display optname-show-symbol "a"
        (N_ "Display the ticker symbols")
        #t))

    (gnc:register-option
      options
      (gnc:make-simple-boolean-option
        gnc:pagename-display optname-show-listing "b"
        (N_ "Display exchange listings")
        #t))

    (gnc:register-option
      options
      (gnc:make-simple-boolean-option
        gnc:pagename-display optname-show-shares "c"
        (N_ "Display numbers of shares in accounts")
        #t))

    (add-option
     (gnc:make-number-range-option
      gnc:pagename-display optname-shares-digits
      "d" (N_ "The number of decimal places to use for share numbers") 2
      0 6 0 1))

    (gnc:register-option
      options
      (gnc:make-simple-boolean-option
        gnc:pagename-display optname-show-price "e"
        (N_ "Display share prices")
        #t))

    ;; Account tab
    (add-option
     (gnc:make-account-list-option
      gnc:pagename-accounts (N_ "Accounts")
      "b"
      (N_ "Stock Accounts to report on")
      (lambda () (filter gnc:account-is-stock?
                         (gnc-account-get-descendants-sorted
                          (gnc-get-current-root-account))))
      (lambda (accounts) (list  #t 
                                (filter gnc:account-is-stock? accounts)))
      #t))

    (gnc:register-option 
     options 
     (gnc:make-simple-boolean-option
      gnc:pagename-accounts optname-zero-shares "e" 
      (N_ "Include accounts that have a zero share balances.")
      #f))
    
    (gnc:options-set-default-section options gnc:pagename-general)      
    options))

;; This is the rendering function. It accepts a database of options
;; and generates an object of type <html-document>.  See the file
;; report-html.txt for documentation; the file report-html.scm
;; includes all the relevant Scheme code. The option database passed
;; to the function is one created by the options-generator function
;; defined above.

(define (advanced-portfolio-renderer report-obj)
  
 (let ((work-done 0)
       (work-to-do 0)
       (warn-price-dirty #f))

  ;; These are some helper functions for looking up option values.
  (define (get-op section name)
    (gnc:lookup-option (gnc:report-options report-obj) section name))
  
  (define (get-option section name)
    (gnc:option-value (get-op section name)))
  
  (define (split-account-type? split type)
    (eq? type (xaccAccountGetType (xaccSplitGetAccount split))))

  (define (same-split? s1 s2)
    (string=? (gncSplitGetGUID s1) (gncSplitGetGUID s2)))

  (define (same-account? a1 a2)
    (string=? (gncAccountGetGUID a1) (gncAccountGetGUID a2)))

  ;; sum up the contents of the b-list built by basis-builder below
  (define (sum-basis b-list)
    (if (not (eqv? b-list '()))
        (gnc-numeric-add (gnc-numeric-mul (caar b-list) (cdar b-list) 100 
(logior GNC-DENOM-REDUCE GNC-RND-NEVER))
                         (sum-basis (cdr b-list)) 100 (logior GNC-DENOM-REDUCE 
GNC-RND-NEVER))
        (gnc-numeric-zero)
        )
    )
  
  ;; sum up the total number of units in the b-list built by basis-builder below
  (define (units-basis b-list)
    (if (not (eqv? b-list '()))
        (gnc-numeric-add (caar b-list) (units-basis (cdr b-list)) 100 (logior 
GNC-DENOM-REDUCE GNC-RND-NEVER))
        (gnc-numeric-zero)
        )
    )
  
  ;; this builds a list for basis calculation and handles average, fifo and 
filo methods
  ;; the list is cons cells of (units-of-stock . price-per-unit)... average 
method produces only one
  ;; cell that mutates to the new average. Need to add a date checker so that 
we allow for prices
  ;; coming in out of order, such as a transfer with a price adjusted to 
carryover the basis.
  ;; 
  ;; need to implement handling of zero for b-value coming in. this implements 
a split/merger. 
  (define (basis-builder b-list b-units b-value b-method)
    (display "actually in basis-builder")
    (display (list "b-list is " b-list " b-units is " b-units " b-value is " 
b-value " b-method is " b-method)) (newline)

    ;; if there is no b-value, then this is a split/merger and needs special 
handling
    (if (not (gnc-numeric-zero-p b-value))

        ;; nope, its normal, just adjust the basis
        (if (gnc-numeric-positive-p b-units)
            (case b-method
              ((average-basis) 
               (if (not (eqv? b-list '()))
                   (list (cons (gnc-numeric-add b-units
                                                (caar b-list) GNC-DENOM-AUTO 
(logior GNC-DENOM-REDUCE GNC-RND-NEVER)) 
                               (gnc-numeric-div
                                (gnc-numeric-add b-value
                                                 (gnc-numeric-mul (caar b-list)
                                                                  (cdar b-list) 
                                                                  
GNC-DENOM-AUTO (logior GNC-DENOM-REDUCE GNC-RND-NEVER))
                                                 GNC-DENOM-AUTO (logior 
GNC-DENOM-REDUCE GNC-RND-NEVER))
                                (gnc-numeric-add b-units
                                                 (caar b-list) GNC-DENOM-AUTO 
(logior GNC-DENOM-REDUCE GNC-RND-NEVER))
                                GNC-DENOM-AUTO (logior GNC-DENOM-REDUCE 
GNC-RND-NEVER))))
                   (append b-list 
                           (list (cons b-units (gnc-numeric-div
                                                b-value b-units GNC-DENOM-AUTO 
                                                (logior GNC-DENOM-REDUCE 
GNC-RND-NEVER)))))))
              (else (append b-list 
                            (list (cons b-units (gnc-numeric-div
                                                 b-value b-units GNC-DENOM-AUTO 
                                                 (logior GNC-DENOM-REDUCE 
GNC-RND-NEVER)))))))
            (if (not (eqv? b-list '()))
                (case b-method
                  ((fifo-basis) 
                   (if (not (= -1 (gnc-numeric-compare
                                   (gnc-numeric-abs b-units) (caar b-list))))
                       (basis-builder (cdr b-list) (gnc-numeric-add
                                                    b-units 
                                                    (caar b-list) 
GNC-DENOM-AUTO (logior GNC-DENOM-REDUCE GNC-RND-NEVER)) 
                                      b-value b-method)
                       (append (list (cons (gnc-numeric-add
                                            b-units 
                                            (caar b-list) GNC-DENOM-AUTO 
(logior GNC-DENOM-REDUCE GNC-RND-NEVER)) 
                                           (cdar b-list))) (cdr b-list))))
                  ((filo-basis) 
                   (if (not (= -1 (gnc-numeric-compare
                                   (gnc-numeric-abs b-units) (caar (reverse 
b-list)))))
                       (basis-builder (reverse (cdr (reverse b-list))) 
                                      (gnc-numeric-add
                                       b-units 
                                       (caar (reverse b-list)) 
                                       GNC-DENOM-AUTO (logior GNC-DENOM-REDUCE 
GNC-RND-NEVER)) 
                                      b-value b-method)
                       (append (cdr (reverse b-list)) 
                               (list (cons (gnc-numeric-add
                                            b-units 
                                            (caar (reverse b-list)) 
GNC-DENOM-AUTO (logior GNC-DENOM-REDUCE GNC-RND-NEVER)) 
                                           (cdar (reverse b-list)))))))
                  ((average-basis) 
                   (list (cons (gnc-numeric-add
                                (caar b-list) b-units GNC-DENOM-AUTO (logior 
GNC-DENOM-REDUCE GNC-RND-NEVER)) 
                               (cdar b-list)))))
                '()
                )
            )
        ;; this is a split/merge...
        (let* ((current-units (units-basis b-list))
               (units-ratio (gnc-numeric-div current-units (gnc-numeric-add 
b-units current-units GNC-DENOM-AUTO (logior GNC-DENOM-REDUCE GNC-RND-NEVER)) 
GNC-DENOM-AUTO (logior GNC-DENOM-REDUCE GNC-RND-NEVER))))
          
          (define (apply-ratio blist ratio)
            (if (not (eqv? blist '()))
                (cons (cons (gnc-numeric-div (caar blist) ratio GNC-DENOM-AUTO 
(logior GNC-DENOM-REDUCE GNC-RND-NEVER)) 
                            (gnc-numeric-mul ratio (cdar blist) GNC-DENOM-AUTO 
(logior GNC-DENOM-REDUCE GNC-RND-NEVER))) (apply-ratio (cdr blist) ratio ))
                '()
                )
            )
          (display (list "blist is " b-list " units ratio is " units-ratio)) 
(newline)
          (apply-ratio b-list units-ratio) 
          )
        )
    )

  
(define (table-add-stock-rows table accounts to-date
                                currency price-fn exchange-fn 
                                include-empty include-gains show-symbol 
show-listing show-shares show-price
                                basis-method prefer-pricelist total-basis 
total-value total-moneyin total-moneyout
                                total-gain total-ugain total-brokerage)

   (let ((share-print-info
          (gnc-share-print-info-places
           (inexact->exact (get-option gnc:pagename-display
                               optname-shares-digits)))))
    
    (define (table-add-stock-rows-internal accounts odd-row?)
      (if (null? accounts) total-value
          (let* ((row-style (if odd-row? "normal-row" "alternate-row"))
                 (current (car accounts))
                 (rest (cdr accounts))
                 (name (xaccAccountGetName current))
;; commodity is the actual stock/thing we are looking at
                 (commodity (xaccAccountGetCommodity current))
                 (ticker-symbol (gnc-commodity-get-mnemonic commodity))
                 (listing (gnc-commodity-get-namespace commodity))
                 (unit-collector (gnc:account-get-comm-balance-at-date
                                  current to-date #f))
                 (units (cadr (unit-collector 'getpair commodity #f)))
;;                 (totalunits 0.0) ;;      these two items do nothing, but are 
in a debug below, 
 ;;                (totalunityears 0.0);;   so I'm leaving it. asw

                 ;; Counter to keep track of stuff
                 (unitscoll     (gnc:make-commodity-collector))
                 (brokeragecoll (gnc:make-commodity-collector))
                 (dividendcoll  (gnc:make-commodity-collector))
                 (moneyincoll   (gnc:make-commodity-collector))
                 (moneyoutcoll  (gnc:make-commodity-collector))
                 (gaincoll      (gnc:make-commodity-collector))


                 (price-list (price-fn commodity to-date))
;; the price of the commodity at the time of the report
                 (price      (if (> (length price-list) 0)
                                 (car price-list) #f))
                 ;; if there is no price, set a sane commod-currency
                 ;; for those zero-share accounts. if its a no price
                 ;; account with shares, we'll get a currency later.
                 ;; the currency in which the transaction takes place,
                 ;; for example IBM shares are the commodity, purchsed
                 ;; with US dollars. In this case, commod-currency
                 ;; would be US dollars. If there is no price, we
                 ;; arbitrarily set the commod-currency to the same as
                 ;; that of the report, currency
                 (commod-currency (if price (gnc-price-get-currency price) 
currency))
                 ;; the value of the commodity, expressed in terms of
                 ;; the report's currency.
                 (value (exchange-fn (gnc:make-gnc-monetary commodity units) 
currency))

                 (txn-value (gnc-numeric-zero))
                 (txn-date to-date)
                 (pricing-txn #f)
                 (use-txn #f)
                 (basis-list '())
                 (txn-units (gnc-numeric-zero))
                 ;; setup an alist for the splits we've already seen.
                 (seen_split '())
                 )


            ;;          (gnc:debug "---" name "---")
            (for-each
             ;; we're looking at each split we find in the account. these splits
             ;; could refer to the same transaction, so we have to examine each
             ;; split, determine what kind of split it is and then act 
accordingly.
             (lambda (split)
               (set! work-done (+ 1 work-done))
               (gnc:report-percent-done (* 100 (/ work-done work-to-do)))
               
               (let* ((parent (xaccSplitGetParent split))
                      (txn-date (gnc-transaction-get-date-posted parent)))
                 
                 ;; we must have a good commod-currency before we go any
                 ;; farther as the rest relies on it. If we don't have a
                 ;; price, then we need to make one from somewhere and
                 ;; grab its commod-currency as well.
                 (if (not price)
                     (for-each
                      (lambda (s)
                        (if (and (or (split-account-type? s ACCT_TYPE_ASSET)
                                     (split-account-type? s 
ACCT_TYPE_LIABILITY))
                                 (not (same-account? current 
(xaccSplitGetParent s))))
                            (begin
                              ;; we're using a transaction to get the price, so 
we have to set some stuff
                              (set! commod-currency (xaccAccountGetCommodity 
(xaccSplitGetAccount s)))
                              (set! pricing-txn (xaccSplitGetParent s))
                              )
                            )
                        ) 
                      (xaccTransGetSplitList parent)) 
                     )

                 (if (gnc:timepair-le txn-date to-date)
                     (begin
                       ;; here's where we have problems. we are now going to 
look at each
                       ;; split of the the parent txn of the current split 
(above) that we
                       ;; are on. This means we might hit each split more than 
once as the
                       ;; parent transaction might touch the current account 
more than once.
                       (for-each
                        (lambda (s)

                          ;; have we seen this split?
                          (if (not (assoc-ref seen_split (gncSplitGetGUID s)))

                              (let
                                  ;; get the split's units and value
                                  ((split-units (xaccSplitGetAmount s))
                                   (split-value (xaccSplitGetValue s)))

                                ;; first add this split to the seen_split list 
so we only look at it once.
                                (set! seen_split (acons (gncSplitGetGUID s) #t 
seen_split))

                                (display (list "split units " split-units " 
split-value " split-value " commod-currency " commod-currency)) (newline)

                                ;; now we look at what type of split this is 
and process accordingly
                                (cond

                                 ;; in theory, the only expenses are brokerage 
fees
                                 ((split-account-type? s ACCT-TYPE-EXPENSE)
                                  (brokeragecoll 'add commod-currency 
split-value))

                                 ;; in theory, income is a dividend of
                                 ;; some kind. it could also be
                                 ;; gains. that gets handled later. it
                                 ;; could also be direct income into
                                 ;; shares, say from an employer into
                                 ;; a retirement account. basically,
                                 ;; there is nothing that can be done
                                 ;; with these to differentiate them
                                 ;; :(
                                 ((split-account-type? s ACCT-TYPE-INCOME)
                                  (dividendcoll 'add commod-currency 
split-value))

                                 ;; we have units, handle all cases of that
                                 ((not (gnc-numeric-zero-p split-units))
                                  (begin
                                    
                                    (display (list "going in to basis list " 
basis-list split-units split-value)) (newline)

                                    ;; first fix the basis. but only when we 
are dealing with the actual stock
                                    (if (same-account? current 
(xaccSplitGetAccount s))
                                        (set! basis-list (basis-builder 
basis-list split-units (gnc:gnc-monetary-amount 
                                                                                
                (exchange-fn (gnc:make-gnc-monetary 
                                                                                
                              commod-currency split-value) 
                                                                                
                             currency)) basis-method)))
(display (list "coming out of basis list " basis-list)) (newline)
                                    ;; now look at what else we have to work 
with
                                    (cond
                                     
                                     ;; are we looking at the same
                                     ;; account? that means we're
                                     ;; dealing strictly with the
                                     ;; amount of stock moving, and
                                     ;; its value, adjust the money
                                     ;; collectors ((same-account?
                                     ;; current (xaccSplitGetAccount
                                     ;; s)) if the commod-currency and
                                     ;; the commodity of this split,
                                     ;; s, are the same then we're
                                     ;; dealing with actual money
                                     ;; being shuffled and we need to
                                     ;; adjust moneyin/out
                                     ((equal? commod-currency 
(xaccAccountGetCommodity (xaccSplitGetAccount s)))
                                      (begin
                                        (display (list "adjsting the 
moneyin/out " split-value)) (newline)
                                        ;;(unitscoll 'add commodity split-units)
                                        (if (gnc-numeric-negative-p split-value)
                                            (moneyincoll 'add commod-currency
                                                          (gnc-numeric-neg 
split-value))
                                            (moneyoutcoll 'add commod-currency 
split-value)
                                            )
                                        )
                                      )
                                     )
                                    )
                                  )
                                 )
                                )
                              )
                          )
                        (xaccTransGetSplitList parent)
                        )
                       )
                     )
                 )
               )
             (xaccAccountGetSplitList current)
             )
;;          (gnc:debug "totalunits" totalunits)
;;          (gnc:debug "totalunityears" totalunityears)

            ;; now we determine which price data to use, the pricelist or the 
txn
            ;; and if we have a choice, use whichever is newest.
            (set! use-txn (if (not price) #t 
                              (if prefer-pricelist #f
                                  (if (not (gnc:timepair-le txn-date 
(gnc-price-get-time price)))
                                      #t #f))))

            ;; okay we're using the txn, so make a new price, value etc. and 
warn the user
            (if use-txn
                (let (;; take pricing-txn and general a txn-value and txn-units 
from it.
                      )
                  (set! price (if (not (gnc-numeric-zero-p txn-units))
                                  (gnc:make-gnc-monetary commod-currency
                                                         (gnc-numeric-div 
txn-value
                                                                          
(gnc-numeric-abs txn-units)
                                                                          100 
(logior GNC-DENOM-REDUCE GNC-RND-NEVER)))
                                  (gnc:make-gnc-monetary commod-currency 
(gnc-numeric-zero))))
                  
                  (set! value (if price (gnc:make-gnc-monetary commod-currency 
                                                               (gnc-numeric-mul 
units
                                                                                
(gnc:gnc-monetary-amount price)
                                                                                
100 (logior GNC-DENOM-REDUCE GNC-RND-NEVER)))
                                  (gnc:make-gnc-monetary commod-currency 
(gnc-numeric-zero))))
                  (set! warn-price-dirty #t)
                  )  
                )

            ;; what this means is gain = moneyout - moneyin + 
basis-of-current-shares, and
            ;; adjust for brokers and dividends.
            (gaincoll 'add currency (sum-basis basis-list))
;;            (moneyincoll 'minusmerge dividendcoll #f)
;;          (moneyoutcoll 'minusmerge brokeragecoll #f)
            (moneyincoll 'minusmerge brokeragecoll #f)
            (gaincoll 'merge moneyoutcoll #f)
            (gaincoll 'minusmerge moneyincoll #f)



            
          (if (or include-empty (not (gnc-numeric-zero-p units)))
            (let* ((moneyin (gnc:sum-collector-commodity moneyincoll currency 
exchange-fn))
                   (moneyout (gnc:sum-collector-commodity moneyoutcoll currency 
exchange-fn))
                   (brokerage (gnc:sum-collector-commodity brokeragecoll 
currency exchange-fn))
                  ;; just so you know, gain == realized gain, ugain == 
un-realized gain, bothgain, well..
                  (gain (gnc:sum-collector-commodity gaincoll currency 
exchange-fn))
                  (ugain (gnc:make-gnc-monetary currency 
                                                (gnc-numeric-sub 
(gnc:gnc-monetary-amount (exchange-fn value currency))
                                                                 (sum-basis 
basis-list) 
                                                                 100 (logior 
GNC-DENOM-REDUCE GNC-RND-NEVER))))
                  (bothgain (gnc:make-gnc-monetary currency  (gnc-numeric-add 
(gnc:gnc-monetary-amount gain)
                                                                              
(gnc:gnc-monetary-amount ugain)
                                                                              
100 (logior GNC-DENOM-REDUCE GNC-RND-NEVER))))

                  (activecols (list (gnc:html-account-anchor current)))
                  )

              (total-value 'add (gnc:gnc-monetary-commodity value) 
(gnc:gnc-monetary-amount value))
              (total-moneyin 'merge moneyincoll #f)
              (total-moneyout 'merge moneyoutcoll #f)
              (total-brokerage 'merge brokeragecoll #f)
              (total-gain 'merge gaincoll #f)
              (total-ugain 'add (gnc:gnc-monetary-commodity ugain) 
(gnc:gnc-monetary-amount ugain))
              (total-basis 'add currency (sum-basis basis-list))

              ;; build a list for the row  based on user selections
              (if show-symbol (append! activecols (list ticker-symbol)))
              (if show-listing (append! activecols (list listing)))
              (if show-shares (append! activecols (list 
(gnc:make-html-table-header-cell/markup
                "number-cell" (xaccPrintAmount units share-print-info)))))
              (if show-price (append! activecols (list 
(gnc:make-html-table-header-cell/markup
                "number-cell"
                (if use-txn
                    (gnc:html-transaction-anchor
                     pricing-txn
                     price
                     )
                    (gnc:html-price-anchor
                     price
                     (gnc:make-gnc-monetary
                     (gnc-price-get-currency price)
                     (gnc-price-get-value price)))
                    )))))
              (append! activecols (list (if use-txn "*" " ")
                                        (gnc:make-html-table-header-cell/markup 
                                         "number-cell" (gnc:make-gnc-monetary 
currency (sum-basis basis-list)))
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" value)
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" moneyin)
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" moneyout)
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" gain)
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" ugain)
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" bothgain)
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" 
                                            (let ((moneyinvalue 
(gnc-numeric-to-double
                                                                 
(gnc:gnc-monetary-amount moneyin))))
                                              (if (= 0.0 moneyinvalue)
                                                  (sprintf #f "%.2f%%" 
moneyinvalue)
                                                  (sprintf #f "%.2f%%" (* 100 
(/ (gnc-numeric-to-double
                                                                             
(gnc:gnc-monetary-amount bothgain))
                                                                            
moneyinvalue))))))
                                        (gnc:make-html-table-header-cell/markup 
"number-cell" brokerage)
                                         )
                        )
                       
              (gnc:html-table-append-row/markup!
               table
               row-style
               activecols)
                
              (table-add-stock-rows-internal rest (not odd-row?))
              )
            (table-add-stock-rows-internal rest odd-row?)
            )
            (gnc-price-list-destroy price-list)
            )))

    (set! work-to-do (gnc:accounts-count-splits accounts))
    (table-add-stock-rows-internal accounts #t)))
  
  ;; Tell the user that we're starting.
  (gnc:report-starting reportname)

  ;; The first thing we do is make local variables for all the specific
  ;; options in the set of options given to the function. This set will
  ;; be generated by the options generator above.
  (let ((to-date     (gnc:date-option-absolute-time
                      (get-option gnc:pagename-general "Date")))
        (accounts    (get-option gnc:pagename-accounts "Accounts"))
        (currency    (get-option gnc:pagename-general "Report Currency"))
        (price-source (get-option gnc:pagename-general
                                  optname-price-source))
        (report-title (get-option gnc:pagename-general 
                                  gnc:optname-reportname))
        (include-empty (get-option gnc:pagename-accounts
                                  optname-zero-shares))
        (include-gains (get-option gnc:pagename-general
                                  optname-include-gains))
        (show-symbol (get-option gnc:pagename-display
                                  optname-show-symbol))
        (show-listing (get-option gnc:pagename-display
                                  optname-show-listing))
        (show-shares (get-option gnc:pagename-display
                                  optname-show-shares))
        (show-price (get-option gnc:pagename-display
                                  optname-show-price))
        (basis-method (get-option gnc:pagename-general
                                  optname-basis-method))
        (prefer-pricelist (get-option gnc:pagename-general
                                      optname-prefer-pricelist))

        (total-basis (gnc:make-commodity-collector))
        (total-value    (gnc:make-commodity-collector))
        (total-moneyin  (gnc:make-commodity-collector))
        (total-moneyout (gnc:make-commodity-collector))
        (total-gain     (gnc:make-commodity-collector)) ;; realized gain
        (total-ugain (gnc:make-commodity-collector))    ;; unrealized gain
        (total-brokerage (gnc:make-commodity-collector))
        ;;document will be the HTML document that we return.
        (table (gnc:make-html-table))
        (document (gnc:make-html-document)))

    (gnc:html-document-set-title!
     document (string-append 
               report-title
               (sprintf #f " %s" (gnc-print-date to-date))))

    (if (not (null? accounts))
        ; at least 1 account selected
        (let* ((exchange-fn (gnc:case-exchange-fn price-source currency 
to-date))
               (pricedb (gnc-pricedb-get-db (gnc-get-current-book)))
               (price-fn
                (case price-source
                  ((pricedb-latest) 
                   (lambda (foreign date) 
                    (gnc-pricedb-lookup-latest-any-currency pricedb foreign)))
                  ((pricedb-nearest) 
                   (lambda (foreign date) 
                    (gnc-pricedb-lookup-nearest-in-time-any-currency
                     pricedb foreign (timespecCanonicalDayTime date))))
                  ((pricedb-latest-before)
                   (lambda (foreign date)
                     (gnc-pricedb-lookup-latest-before-any-currency
                      pricedb foreign (timespecCanonicalDayTime date))))))
               (headercols (list (_ "Account")))
               (totalscols (list (gnc:make-html-table-cell/markup 
"total-label-cell" (_ "Total"))))
               (sum-total-both-gains (gnc-numeric-zero))
               (sum-total-gain (gnc-numeric-zero))
               (sum-total-ugain (gnc-numeric-zero)))

          ;;begin building lists for which columns to display
          (if show-symbol 
              (begin (append! headercols (list (_ "Symbol")))
                     (append! totalscols (list " "))))

          (if show-listing 
              (begin (append! headercols (list (_ "Listing")))
                     (append! totalscols (list " "))))

          (if show-shares 
              (begin (append! headercols (list (_ "Shares")))
                     (append! totalscols (list " "))))

          (if show-price 
              (begin (append! headercols (list (_ "Price")))
                     (append! totalscols (list " "))))

          (append! headercols (list " "
                                    (_ "Basis")
                                    (_ "Value")
                                    (_ "Money In")
                                    (_ "Money Out")
                                    (_ "Realized Gain")
                                    (_ "Unrealized Gain")
                                    (_ "Total Gain")
                                    (_ "Total Return")
                                    (_ "Brokerage Fees")))

          (append! totalscols (list " "))

          (gnc:html-table-set-col-headers!
           table
           headercols)
          
          (table-add-stock-rows
           table accounts to-date currency price-fn exchange-fn
           include-empty include-gains show-symbol show-listing show-shares 
show-price 
           basis-method prefer-pricelist total-basis total-value total-moneyin 
total-moneyout total-gain total-ugain total-brokerage)
          

          (set! sum-total-gain (gnc:sum-collector-commodity total-gain currency 
exchange-fn))
          (set! sum-total-ugain (gnc:sum-collector-commodity total-ugain 
currency exchange-fn))
          (set! sum-total-both-gains (gnc:make-gnc-monetary currency 
(gnc-numeric-add (gnc:gnc-monetary-amount sum-total-gain)
                                                                                
      (gnc:gnc-monetary-amount sum-total-ugain)
                                                                                
      100 (logior GNC-DENOM-REDUCE GNC-RND-NEVER))))

          (gnc:html-table-append-row/markup!
           table
           "grand-total"
           (list
            (gnc:make-html-table-cell/size
             1 15 (gnc:make-html-text (gnc:html-markup-hr)))))

          ;; finish building the totals columns, now that totals are complete
          (append! totalscols (list
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" 
(gnc:sum-collector-commodity total-basis currency exchange-fn))
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" 
(gnc:sum-collector-commodity total-value currency exchange-fn))
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" 
(gnc:sum-collector-commodity total-moneyin currency exchange-fn))
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" 
(gnc:sum-collector-commodity total-moneyout currency exchange-fn))
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" sum-total-gain)
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" sum-total-ugain)
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" sum-total-both-gains)
                               (gnc:make-html-table-cell/markup
                                "total-number-cell" 
                                (let ((totalinvalue (gnc-numeric-to-double
                                                     (gnc:gnc-monetary-amount 
(gnc:sum-collector-commodity 
                                                                               
total-moneyin currency exchange-fn)))))
                                  (if (= 0.0 totalinvalue) 
                                      (sprintf #f "%.2f%%" totalinvalue) 
                                      (sprintf #f "%.2f%%" (* 100 (/ 
(gnc-numeric-to-double
                                                                      
(gnc:gnc-monetary-amount sum-total-both-gains))
                                                                                
   totalinvalue))))))
                             (gnc:make-html-table-cell/markup
                              "total-number-cell" (gnc:sum-collector-commodity 
total-brokerage currency exchange-fn))
                               ))
          

          (gnc:html-table-append-row/markup!
           table
           "grand-total"
           totalscols
            )

          (gnc:html-document-add-object! document table)
          (if warn-price-dirty 
              (gnc:html-document-append-objects! document 
                                                 (list (gnc:make-html-text (_ 
"* this commodity data was built using transaction pricing instead of the price 
list."))
                                                       (gnc:make-html-text 
(gnc:html-markup-br))
                                                       (gnc:make-html-text (_ 
"If you are in a multi-currency situation, the exchanges may not be 
correct.")))))
)

                                        ;if no accounts selected.
        (gnc:html-document-add-object!
         document
         (gnc:html-make-no-account-warning 
          report-title (gnc:report-id report-obj))))
    
    (gnc:report-finished)
    document)))

(gnc:define-report
 'version 1
 'name reportname
 'menu-path (list gnc:menuname-asset-liability)
 'options-generator options-generator
 'renderer advanced-portfolio-renderer)

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