initial commit

lib/append.go

@@ -0,0 +1,56 @@
+package lib
+
+import (
+	"errors"
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/pdfcpu/pdfcpu/pkg/api"
+	"github.com/pdfcpu/pdfcpu/pkg/pdfcpu/model"
+)
+
+func AppendToPdf(inputPdfFilePath string, inputXmlFilePath string, outputFilePath string) error {
+	logger := GetDebugLogger()
+	logger.Log(fmt.Sprintf("enter appendToPdf(%s, %s, %s)", inputPdfFilePath, inputXmlFilePath, outputFilePath))
+	defer func() {
+		logger.Log("leave appendToPdf")
+	}()
+
+	if inputPdfFilePath == "" {
+		return errors.New("no input pdf file specified")
+	}
+
+	if inputXmlFilePath == "" {
+		inputXmlFilePath = strings.TrimSuffix(inputPdfFilePath, filepath.Ext(inputPdfFilePath)) + ".xml"
+	}
+
+	if outputFilePath == "" {
+		outputFilePath = strings.TrimSuffix(
+			inputPdfFilePath,
+			filepath.Ext(inputPdfFilePath),
+		) + "_xml.pdf"
+	}
+
+	logger.Log(
+		fmt.Sprintf(
+			"pdfInput: '%s' xmlInput: '%s' output: '%s'",
+			inputPdfFilePath,
+			inputXmlFilePath,
+			outputFilePath,
+		),
+	)
+
+	err := api.AddAttachmentsFile(
+		inputPdfFilePath,
+		outputFilePath,
+		[]string{inputXmlFilePath},
+		true,
+		model.NewDefaultConfiguration(),
+	)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}