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util.go
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/
util.go
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package cetak
import (
"archive/zip"
"bytes"
"io"
)
type actions map[string]func(f *zip.File) error
func executeOnDocx(path string, acts actions, defaultAct func(f *zip.File) error) error {
reader, err := zip.OpenReader(path)
if err != nil {
return err
}
defer reader.Close()
for _, f := range reader.File {
if act, ok := acts[f.Name]; ok {
if err := act(f); err != nil {
return err
}
} else if defaultAct != nil {
if err := defaultAct(f); err != nil {
return err
}
}
}
return nil
}
func getDocxContentAsString(path string) (string, error) {
var tplBuffer bytes.Buffer
var content string
acts := actions{
"word/document.xml": func(f *zip.File) error {
contentReader, err := f.Open()
if err != nil {
return err
}
defer contentReader.Close()
_, err = io.Copy(&tplBuffer, contentReader)
if err != nil {
return err
}
content = tplBuffer.String()
return nil
},
}
err := executeOnDocx(path, acts, nil)
if err != nil {
return "", err
}
return content, nil
}