108 lines
2.0 KiB
Go
Executable File
108 lines
2.0 KiB
Go
Executable File
package lib
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import (
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"errors"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"time"
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"gitlab.com/romalor/pdflib/pkg/components/attachment"
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"gitlab.com/romalor/pdflib/pkg/pdf"
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)
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func AppendToPdf(
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inputPdfFilePath string,
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inputXmlFilePath string,
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outputFilePath string,
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embedName string,
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description string,
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) error {
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logger := GetDebugLogger()
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logger.Log(fmt.Sprintf("enter appendToPdf(%s, %s, %s)", inputPdfFilePath, inputXmlFilePath, outputFilePath))
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defer func() {
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logger.Log("leave appendToPdf")
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}()
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if inputPdfFilePath == "" {
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return errors.New("no input pdf file specified")
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}
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if inputXmlFilePath == "" {
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inputXmlFilePath = strings.TrimSuffix(inputPdfFilePath, filepath.Ext(inputPdfFilePath)) + ".xml"
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}
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if outputFilePath == "" {
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outputFilePath = strings.TrimSuffix(
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inputPdfFilePath,
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filepath.Ext(inputPdfFilePath),
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) + "_xml.pdf"
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}
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if description == "" {
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description = "Rechnung"
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}
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if embedName == "" {
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embedName = "factur-x.xml"
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}
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logger.Log(
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fmt.Sprintf(
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"pdfInput: '%s' xmlInput: '%s' output: '%s'",
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inputPdfFilePath,
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inputXmlFilePath,
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outputFilePath,
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),
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)
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inputFile, err := os.Open(inputPdfFilePath)
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if err != nil {
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return err
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}
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defer inputFile.Close()
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var doc *pdf.Document
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doc, err = pdf.OpenReaderWithOptions(inputFile, pdf.OpenOptions{
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Writable: true,
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})
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if err != nil {
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return err
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}
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var inputXmlFile *os.File
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inputXmlFile, err = os.Open(inputXmlFilePath)
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if err != nil {
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return err
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}
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var inputData []byte
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inputData, err = io.ReadAll(inputXmlFile)
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if err != nil {
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return err
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}
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err = doc.AddAttachment(attachment.Attachment{
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Name: embedName,
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Description: description,
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MIMEType: "text/xml",
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Size: int64(len(inputData)),
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Relationship: "Alternative",
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ModDate: time.Now(),
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}, inputData)
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if err != nil {
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return err
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}
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logger.Log(doc.Writer().Version)
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err = doc.Writer().SaveAs(outputFilePath)
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if err != nil {
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return err
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}
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return nil
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}
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