98 lines
2.1 KiB
Go
Executable File
98 lines
2.1 KiB
Go
Executable File
package lib
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import (
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"bytes"
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"errors"
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"fmt"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/pdfcpu/pdfcpu/pkg/api"
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"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/model"
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)
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func AppendToPdf(inputPdfFilePath string, inputXmlFilePath string, outputFilePath string) 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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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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dest := bytes.Buffer{}
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err = api.AddAttachments(
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inputFile,
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&dest,
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[]string{inputXmlFilePath},
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true,
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model.NewDefaultConfiguration(),
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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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source := bytes.NewReader(dest.Bytes())
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dest = bytes.Buffer{}
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err = api.AddProperties(source, &dest, map[string]string{
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"DocumentFileName": path.Base(inputXmlFilePath),
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"DocumentType": "INVOICE",
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"ConformanceLevel": "EN 16931",
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"SchemasSchema": "Factur-X PDFA Extension Schema",
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"SchemasPrefix": "fx",
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"SchemasPropertyName": "DocumentFileName",
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"SchemasPropertyValueType": "Text",
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"SchemasPropertyCategory": "external",
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"SchemasPropertyDescription": "The name of the embedded XML document",
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}, model.NewDefaultConfiguration())
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if err != nil {
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return err
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}
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var outputFile *os.File
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outputFile, err = os.Create(outputFilePath)
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if err != nil {
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return err
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}
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defer outputFile.Close()
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_, err = outputFile.Write(dest.Bytes())
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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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