one step forward

.gitignore

@@ -1,3 +1,6 @@
 mkinvoice
 makefont
-*.pdf
+temp/*
+qr-images/*
+output/*
+yaml/*

makefont.go

@@ -17,6 +17,6 @@ func main() {
 	if errs2 != nil {
 		fmt.Println(errs)
 	}
-        pdf.AddFont("DejaVuSans", "", "DejaVuSans.json")
+	pdf.AddFont("DejaVuSans", "", "DejaVuSans.json")
-        pdf.AddFont("DejaVuSans-Bold", "", "DejaVuSans-Bold.json")
+	pdf.AddFont("DejaVuSans-Bold", "", "DejaVuSans-Bold.json")
 }

mkinvoice.go

@@ -3,61 +3,91 @@ package main
 import (
 	"fmt"
 	"github.com/jung-kurt/gofpdf"
+	"gopkg.in/yaml.v2"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
 )
 
-type Adress struct {
+type Metadata struct {
-	lines []string
+	Invoice_nr   string
+	Invoice_info string
+	Invoice_date string
+	Vat          float64
+	Account      string
+	Due_date     string
 }
 
-type Item struct {
+type Address struct {
-	text string
+	Name   string
-	count float64
+	Street string
-	price float64
+	Zip    string
+	City   string
+	Tel_no string
+	Email  string
+}
+
+type InvoiceItem struct {
+	Text          string
+	Quantity      float64
+	Pice_per_unit float64
 }
 
 type InvoiceData struct {
-	invoice_number string
+	Metadata        Metadata
-	invoice_date string
+	Sender_address  Address
-	address Adress
+	Billing_address Address
-	items []Item
+	Item            []InvoiceItem
-	invoice_total_net float64
-	invoice_mwst float64
-	invoice_total float64
 }
 
 /* global variable declaration */
 var pdf *gofpdf.Fpdf
 var y_pos float64
 var invoice_data InvoiceData
+var prog_dir string
+
 const margin_top = 7
 const logo_top = 6
-const logo_height = 23
+const logo_height = 20
-const line_spacing = 4
+const line_spacing = 5
+const address_top = 50
+const line1_top = 100
 const tabstop_left = 20
 const tabstop_left_2 = 32
-const tabstop_address = 10
+const tabstop_address = 120
 const tabstop_count = 10
 const tabstop_price = 10
 const tabstop_total = 170
 const tabstop_logo = 155
+const tabstop_right = 200
 
 func ReadInvoiceData(filename string) {
-	invoice_data.invoice_number = "1"
+	data, err := ioutil.ReadFile(filename)
-	invoice_data.invoice_date = "01.01.2021"
+	if err != nil {
-	invoice_data.address = Adress{ []string{"Jörg Lehmann", "Kirchweg 2", "3510 Konolfingen" }}
+		log.Fatal(err)
-	invoice_data.items = []Item{ Item{ "Item 1",1,10 }, Item{"Text only",0,0 } }
+	}
-	invoice_data.invoice_total_net = 100
+
-	invoice_data.invoice_mwst = 10
+	//fmt.Printf("File contents: %s", data)
-	invoice_data.invoice_total = 110
+
+	err = yaml.Unmarshal([]byte(data), &invoice_data)
+	if err != nil {
+		log.Fatalf("error: %v", err)
+	}
+
+	fmt.Printf("--- t:\n%v\n\n", invoice_data)
+	fmt.Printf("%s\n", invoice_data.Billing_address.Name)
 }
 
 func WriteText(x float64, y float64, text string, alignStr ...string) {
+	tr := pdf.UnicodeTranslatorFromDescriptor("")
 	align := "LT"
 	if len(alignStr) > 0 {
 		align = alignStr[0]
 	}
 	pdf.SetXY(x, y)
-	pdf.CellFormat(0, 10, text, "", 0, align, false, 0, "")
+	pdf.CellFormat(0, 11, tr(text), "", 0, align, false, 0, "")
 }
 
 func SetupInvoice() {
@@ -66,17 +96,17 @@ func SetupInvoice() {
 	pdf.SetFontLocation("fonts")
 	pdf.AddFont("Dejavusans", "", "DejaVuSans.json")
 	pdf.AddFont("Dejavusans-Bold", "", "DejaVuSans-Bold.json")
-	pdf.SetFont("Dejavusans", "", 9)
+	pdf.SetFont("Dejavusans", "", 10)
 }
 
 func PrintPageHeader(firstPage bool) {
-        var opt gofpdf.ImageOptions
+	var opt gofpdf.ImageOptions
 
 	pdf.AddPage()
 	y_pos = margin_top
-	pdf.SetFont("Dejavusans-Bold", "", 9)
+	pdf.SetFont("Dejavusans-Bold", "", 10)
 	WriteText(tabstop_left, y_pos, "nbit Informatik GmbH")
-	pdf.SetFont("Dejavusans", "", 9)
+	pdf.SetFont("Dejavusans", "", 10)
 	y_pos = y_pos + line_spacing
 	WriteText(tabstop_left, y_pos, "Kirchweg 2")
 	y_pos = y_pos + line_spacing
@@ -92,14 +122,73 @@ func PrintPageHeader(firstPage bool) {
 
 	opt.ImageType = "png"
 	opt.ReadDpi = true
-        pdf.ImageOptions("logos/nbit-logo.png", tabstop_logo, logo_top, 0, logo_height, false, opt, 0, "")
+	pdf.ImageOptions("logos/nbit-logo.png", tabstop_logo, logo_top, 0, logo_height, false, opt, 0, "")
+}
+
+func PrintAddress() {
+	fmt.Printf("Blabla: %s\n", invoice_data.Billing_address.Name)
+	y_pos = address_top
+	WriteText(tabstop_address, y_pos, invoice_data.Billing_address.Name)
+	y_pos = y_pos + line_spacing
+	WriteText(tabstop_address, y_pos, invoice_data.Billing_address.Street)
+	y_pos = y_pos + line_spacing
+	WriteText(tabstop_address, y_pos, invoice_data.Billing_address.Zip+" "+invoice_data.Billing_address.City)
+	y_pos = y_pos + line_spacing
+
+	pdf.Line(tabstop_left, line1_top, tabstop_right, line1_top)
+}
+
+func PrintQR() {
+	var opt gofpdf.ImageOptions
+
+	cmd := exec.Command(filepath.Join(prog_dir, "qrbill.sh"),
+		"--account", invoice_data.Metadata.Account,
+		"--amount", "123.00",
+		"--creditor-name", invoice_data.Sender_address.Name,
+		"--creditor-street", invoice_data.Sender_address.Street,
+		"--creditor-postalcode", invoice_data.Sender_address.Zip,
+		"--creditor-city", invoice_data.Sender_address.City,
+		"--extra-infos", invoice_data.Metadata.Invoice_info,
+		"--debtor-name", invoice_data.Billing_address.Name,
+		"--debtor-street", invoice_data.Billing_address.Street,
+		"--debtor-postalcode", invoice_data.Billing_address.Zip,
+		"--debtor-city", invoice_data.Billing_address.City,
+		"--due-date", invoice_data.Metadata.Due_date,
+		"--language", "de")
+	cmd.Env = append(os.Environ(),
+		"INVNO="+invoice_data.Metadata.Invoice_nr,
+	)
+	stdoutStderr, err := cmd.CombinedOutput()
+	fmt.Printf("%s\n", stdoutStderr)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("%s\n", stdoutStderr)
+
+	opt.ImageType = "jpeg"
+	opt.ReadDpi = true
+	pdf.ImageOptions("qr-images/"+invoice_data.Metadata.Invoice_nr+".jpg", 0, 200, 0, 0, false, opt, 0, "")
 }
 
 func main() {
+	dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
+	if err != nil {
+		log.Fatal(err)
+	}
+	prog_dir = dir
+
+	if len(os.Args) != 2 {
+		fmt.Printf("usage: mkinvoice <yaml-file>\n")
+		os.Exit(1)
+	}
+
+	ReadInvoiceData(os.Args[1])
 	SetupInvoice()
 	PrintPageHeader(true)
+	PrintAddress()
+	PrintQR()
 
-	err := pdf.OutputFileAndClose("hello.pdf")
+	err = pdf.OutputFileAndClose(filepath.Join(prog_dir, "output", invoice_data.Metadata.Invoice_nr+".pdf"))
 	if err == nil {
 		fmt.Printf("Successfully created invoice\n")
 	} else {

qrbill.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+mydir="$(dirname $0)"
+if [ -z "${INVNO}" ]; then
+  echo "ERROR: INVNO must be set as ENV variable"
+  exit 1
+fi
+
+echo "INVNO: ${INVNO}"
+
+# should be called with following arguments (example)
+# INVNO must be set as ENV variable
+
+# --account "CH92 0023 5235 5662 3601 G"
+# --amount 123.00 
+# --creditor-name "nbit Informatik GmbH" 
+# --creditor-street "Kirchweg 2" 
+# --creditor-postalcode "3510" 
+# --creditor-city "Konolfingen"
+# --extra-infos "Rechnung Nummer ${INVNO}"
+# --debtor-name "Wilhelm Tell" 
+# --debtor-street "Marktgasse 28" 
+# --debtor-postalcode "9400" 
+# --debtor-city "Rorschach" 
+# --due-date "2019-10-31" 
+# --language "de"
+
+qrbill "$@" --output ${mydir}/temp/${INVNO}.svg
+if [ $? -ne 0 ]; then
+  echo "ERROR: cannot create qrbill image"
+  exit 2
+fi
+
+convert ${mydir}/temp/${INVNO}.svg ${mydir}/qr-images/${INVNO}.jpg
+if [ $? -eq 0 ]; then
+  rm ${mydir}/temp/${INVNO}.svg
+fi

testqrbill.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+mydir="$(dirname $0)"
+export INVNO=123456789
+${mydir}/qrbill.sh --account "CH92 0023 5235 5662 3601 G" \
+                   --amount 123.00  \
+                   --creditor-name "nbit Informatik GmbH"  \
+                   --creditor-street "Kirchweg 2"  \
+                   --creditor-postalcode "3510"  \
+                   --creditor-city "Konolfingen" \
+                   --extra-infos "Rechnung Nummer 123456789" \
+                   --debtor-name "Wilhelm Tell"  \
+                   --debtor-street "Marktgasse 28"  \
+                   --debtor-postalcode "9400"  \
+                   --debtor-city "Rorschach"  \
+                   --due-date "2019-10-31"  \
+                   --language "de"