109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
package main
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import (
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"fmt"
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"github.com/jung-kurt/gofpdf"
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)
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type Adress struct {
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lines []string
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}
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type Item struct {
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text string
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count float64
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price float64
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}
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type InvoiceData struct {
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invoice_number string
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invoice_date string
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address Adress
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items []Item
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invoice_total_net float64
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invoice_mwst float64
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invoice_total float64
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}
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/* global variable declaration */
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var pdf *gofpdf.Fpdf
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var y_pos float64
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var invoice_data InvoiceData
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const margin_top = 7
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const logo_top = 6
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const logo_height = 23
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const line_spacing = 4
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const tabstop_left = 20
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const tabstop_left_2 = 32
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const tabstop_address = 10
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const tabstop_count = 10
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const tabstop_price = 10
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const tabstop_total = 170
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const tabstop_logo = 155
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func ReadInvoiceData(filename string) {
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invoice_data.invoice_number = "1"
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invoice_data.invoice_date = "01.01.2021"
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invoice_data.address = Adress{ []string{"Jörg Lehmann", "Kirchweg 2", "3510 Konolfingen" }}
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invoice_data.items = []Item{ Item{ "Item 1",1,10 }, Item{"Text only",0,0 } }
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invoice_data.invoice_total_net = 100
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invoice_data.invoice_mwst = 10
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invoice_data.invoice_total = 110
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}
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func WriteText(x float64, y float64, text string, alignStr ...string) {
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align := "LT"
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if len(alignStr) > 0 {
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align = alignStr[0]
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}
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pdf.SetXY(x, y)
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pdf.CellFormat(0, 10, text, "", 0, align, false, 0, "")
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}
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func SetupInvoice() {
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pdf = gofpdf.New("P", "mm", "A4", "")
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pdf.SetMargins(0, 0, 0)
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pdf.SetFontLocation("fonts")
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pdf.AddFont("Dejavusans", "", "DejaVuSans.json")
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pdf.AddFont("Dejavusans-Bold", "", "DejaVuSans-Bold.json")
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pdf.SetFont("Dejavusans", "", 9)
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}
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func PrintPageHeader(firstPage bool) {
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var opt gofpdf.ImageOptions
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pdf.AddPage()
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y_pos = margin_top
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pdf.SetFont("Dejavusans-Bold", "", 9)
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WriteText(tabstop_left, y_pos, "nbit Informatik GmbH")
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pdf.SetFont("Dejavusans", "", 9)
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y_pos = y_pos + line_spacing
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WriteText(tabstop_left, y_pos, "Kirchweg 2")
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y_pos = y_pos + line_spacing
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WriteText(tabstop_left, y_pos, "3510 Konolfingen")
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y_pos = y_pos + line_spacing
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y_pos = y_pos + line_spacing
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WriteText(tabstop_left, y_pos, "Tel.")
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WriteText(tabstop_left_2, y_pos, "+41 31 792 00 40")
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y_pos = y_pos + line_spacing
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WriteText(tabstop_left, y_pos, "EMail")
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WriteText(tabstop_left_2, y_pos, "joerg.lehmann@nbit.ch")
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y_pos = y_pos + line_spacing
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opt.ImageType = "png"
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opt.ReadDpi = true
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pdf.ImageOptions("logos/nbit-logo.png", tabstop_logo, logo_top, 0, logo_height, false, opt, 0, "")
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}
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func main() {
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SetupInvoice()
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PrintPageHeader(true)
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err := pdf.OutputFileAndClose("hello.pdf")
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if err == nil {
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fmt.Printf("Successfully created invoice\n")
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} else {
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fmt.Printf("Error: %v\n", err)
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}
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}
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