drpuur
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bookkeeper
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early development...

This commit is contained in:
Joerg Lehmann 2023-12-27 15:06:19 +01:00
parent 70fb02847f
commit fd5b658b1a
3 changed files with 113 additions and 31 deletions
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135
bookkeeper.go
View File

@ -4,6 +4,8 @@ import (
"bufio"
"fmt"
"github.com/go-pdf/fpdf"
"golang.org/x/text/language"
"golang.org/x/text/message"
"log"
"os"
"regexp"
@ -27,19 +29,31 @@ type Transaction struct {
Items []TransactionItem
}
type Balance struct {
balance_start float64
balance_end float64
}
/* global variable declaration */
var pdf *fpdf.Fpdf
var yPos float64
var accounts = make(map[string]string)
var transactions = make(map[uint16]Transaction)
var account_balance = make(map[string]string)
var yearEndDate = "YEARENDDATE"
var account_balance = make(map[string]Balance)
var balanceYear = "UNDEFINED"
const reportTitle = "Jahresrechnung - nbit Informatik GmbH"
const defaultFontSize = 9
const smallFontSize = 7
const marginTop = 10
const smallLineSpacing = 4
const lineSpacing = 5
const tabstopLeft = 20
const tabstopLeft = 25
const tabstopRight = 100
const widthAmount = 28
const dashCorrectionXleft = 1.2
const dashCorrectionXright = -1.3
const dashCorrectionY = 3
//func round5rappen(f float64) float64 {
// return (math.Round(f*20) / 20)
@ -60,6 +74,16 @@ func addTransaction(document_number string, date string, text string, account_nu
return
}
// we use the first transaction to set the year, all transactions not in this year will be invalid
if balanceYear == "UNDEFINED" {
balanceYear = date[6:10]
} else {
if date[6:10] != balanceYear {
fmt.Printf("WARNING: transaction with Document Number %s is not in same year as first transaction: %s and will be ignored\n", document_number, balanceYear)
return
}
}
var myItem TransactionItem
document_number_i, err := strconv.ParseInt(document_number, 0, 16)
@ -73,7 +97,8 @@ func addTransaction(document_number string, date string, text string, account_nu
if s, err := strconv.ParseFloat(amount, 64); err == nil {
myItem.Amount = s
} else {
fmt.Printf("Cannot convert Amount to Float64: %s\n", amount)
fmt.Printf("WARNING: Document %s, cannot convert Amount to Float64: %s and will be ignored\n", document_number, amount)
return
}
myItem.Vat_code = vat_code
@ -103,8 +128,8 @@ func readAccountData(filename string) {
line := scanner.Text()
matched, _ := regexp.MatchString(`^[0-9][0-9][0-9][0-9],.*`, line)
if !matched {
fmt.Printf("Line %v in Accountfile %s: line not four digits followed by a comma: %s.\n", line_number, filename, line)
os.Exit(3)
fmt.Printf("WARNING: Line %v in Accountfile %s: line not four digits followed by a comma: %s and will be ignored.\n", line_number, filename, line)
continue
}
token := strings.SplitN(line, ",", 2)
@ -112,8 +137,8 @@ func readAccountData(filename string) {
account_description := token[1]
if accountExists(account_number) {
fmt.Printf("Line %v in Accountfile %s: Account Number %s already exists\n", line_number, filename, account_number)
os.Exit(4)
fmt.Printf("WARNING: Line %v in Accountfile %s: Account Number %s already exists and will be ignored\n", line_number, filename, account_number)
continue
}
@ -127,6 +152,22 @@ func readAccountData(filename string) {
}
}
func floatToString(f float64, sep string) string {
p := message.NewPrinter(language.English)
s := strings.ReplaceAll(p.Sprintf("%.2f", f), ",", sep)
//fmt.Printf("--- s: @%s@\n", s)
return s
}
func str2float64(f string) float64 {
if s, err := strconv.ParseFloat(f, 64); err == nil {
return (s)
} else {
fmt.Printf("WARNING: cannot convert Amount to Float64: %s and will be ignored\n", f)
return 0
}
}
func readTransactionData(filename string) {
file, err := os.Open(filename)
if err != nil {
@ -150,12 +191,12 @@ func readTransactionData(filename string) {
vat_code := token[6]
if !accountExists(account_number_debit) {
fmt.Printf("Line %v in Transactionfile %s: Account Number Debit %s does not exist\n", line_number, filename, account_number_debit)
os.Exit(4)
fmt.Printf("WARNING: Line %v in Transactionfile %s: Account Number Debit %s does not exist, and will be ignored\n", line_number, filename, account_number_debit)
continue
}
if !accountExists(account_number_credit) {
fmt.Printf("Line %v in Transactionfile %s: Account Number Credit %s does not exist\n", line_number, filename, account_number_credit)
os.Exit(4)
fmt.Printf("WARNING: Line %v in Transactionfile %s: Account Number Credit %s does not exist and will be ignored\n", line_number, filename, account_number_credit)
continue
}
addTransaction(document_number, date, text, account_number_debit, account_number_credit, amount, vat_code)
@ -167,15 +208,20 @@ func readTransactionData(filename string) {
account_number := token[0]
balance := token[1]
if !accountExists(account_number) {
fmt.Printf("Line %v in Transactionfile %s: Account Number %s does not exist\n", line_number, filename, account_number)
os.Exit(4)
fmt.Printf("WARNING: Line %v in Transactionfile %s: Account Number %s does not exist and will be ignored\n", line_number, filename, account_number)
continue
}
account_balance[account_number] = balance
f := str2float64(balance)
var myBalance Balance
myBalance.balance_start = f
myBalance.balance_end = f
account_balance[account_number] = myBalance
} else {
fmt.Printf("Line %v in Transactionfile %s is not of the form <document number>,<date>,<text>,<account number debit>,<account number credit>,<amount>,<vat code>.\n", line_number, filename, line)
os.Exit(3)
fmt.Printf("WARNING: Line %v in Transactionfile %s is not of the form <document number>,<date>,<text>,<account number debit>,<account number credit>,<amount>,<vat code> and will be ignored.\n", line_number, filename, line)
continue
}
line_number++
}
@ -212,29 +258,62 @@ func printPageHeader() {
pdf.SetFont("Dejavusans-Bold", "", defaultFontSize)
writeText(tabstopLeft, yPos, 0, reportTitle)
yPos = yPos + lineSpacing
pdf.SetFont("Dejavusans", "", defaultFontSize)
writeText(tabstopLeft, yPos, 0, "per "+yearEndDate)
pdf.SetFont("Dejavusans", "", smallFontSize)
writeText(tabstopLeft, yPos, 0, "per 31.12."+balanceYear)
yPos = yPos + lineSpacing + smallLineSpacing
}
func printAssets() {
func printSection(section string) {
var title string
var chars string
switch section {
case "assets":
title = "AKTIVEN"
chars = "1"
case "liabilities":
title = "PASSIVEN"
chars = "2"
case "expense":
title = "AUFWAND"
chars = "568"
case "income":
title = "ERTRAG"
chars = "4"
default:
fmt.Printf("WARNING: invalid section: %s\n", section)
return
}
func printLiabilities() {
var total float64 = 0.0
pdf.SetFont("Dejavusans-Bold", "", smallFontSize)
writeText(tabstopLeft, yPos, 0, title)
writeText(tabstopRight, yPos, widthAmount, "31.12."+balanceYear, "TR")
yPos = yPos + smallLineSpacing
pdf.SetFont("Dejavusans", "", smallFontSize)
pdf.SetDashPattern([]float64{0.2, 0.2}, 0)
for key, element := range account_balance {
if strings.Contains(chars, key[0:1]) {
writeText(tabstopLeft, yPos, 0, accounts[key])
writeText(tabstopRight, yPos, widthAmount, floatToString(element.balance_end, "'"), "TR")
pdf.Line(tabstopLeft+dashCorrectionXleft, yPos+dashCorrectionY, tabstopRight+widthAmount+dashCorrectionXright, yPos+dashCorrectionY)
total = total + element.balance_end
yPos = yPos + smallLineSpacing
}
func printExpenses() {
}
pdf.SetFont("Dejavusans-Bold", "", smallFontSize)
writeText(tabstopLeft, yPos, 0, "TOTAL "+title)
writeText(tabstopRight, yPos, widthAmount, floatToString(total, "'"), "TR")
yPos = yPos + smallLineSpacing + smallLineSpacing
func printIncome() {
}
func createBalanceSheet() {
setupBalanceSheet()
printPageHeader()
printAssets()
printLiabilities()
printExpenses()
printIncome()
printSection("assets")
printSection("liabilities")
printSection("expense")
printSection("income")
err := pdf.OutputFileAndClose("output.pdf")
if err == nil {
fmt.Printf("Successfully created Balance Sheet in file output.pdf\n")

1
go.mod
View File

@ -4,4 +4,5 @@ go 1.20
require (
github.com/go-pdf/fpdf v0.9.0 // indirect
golang.org/x/text v0.14.0 // indirect
)

2
go.sum
View File

@ -12,3 +12,5 @@ github.com/ruudk/golang-pdf417 v0.0.0-20181029194003-1af4ab5afa58/go.mod h1:6lfF
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=