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/
document_converter.go
executable file
·65 lines (42 loc) · 965 Bytes
/
document_converter.go
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package support
import(
"encoding/base64"
"compress/gzip"
"strings"
"errors"
"bytes"
"fmt"
"os"
"io"
)
type DocumentConverter struct{
}
func (this *DocumentConverter) SaveBase64Gzip(content string, path string) error{
data, err := base64.StdEncoding.DecodeString(content)
if err != nil {
return err
}
bReader := bytes.NewReader(data)
gReader, err := gzip.NewReader(bReader)
if err != nil {
return err
}
defer gReader.Close()
writer, err := os.Create(path)
if err != nil {
return err
}
defer writer.Close()
if _, err = io.Copy(writer, gReader); err != nil {
return err
}
return nil
}
func (this *DocumentConverter) GetExtension(documentName string) (string, error){
splited := strings.Split(documentName, ".")
if len(splited) == 0 {
return "", errors.New(fmt.Sprintf("file extension not found: %v", documentName))
}
ext := splited[len(splited)-1]
return ext, nil
}