Files
mostlymatter/vendor/code.sajari.com/docconv/odt.go
Jesús Espino 8d5be2d657 Document extractor service (#15665)
* Document extractor service

* Fixing vendor modules

* Addressing PR Review comments

* Some small simplifications

* Fixing a linter complain

* simplifying a bit the code using package variables

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
2020-10-27 15:58:38 +01:00

70 строки
1.6 KiB
Go

package docconv
import (
"archive/zip"
"bytes"
"fmt"
"io"
"io/ioutil"
"time"
)
// ConvertODT converts a ODT file to text
func ConvertODT(r io.Reader) (string, map[string]string, error) {
meta := make(map[string]string)
var textBody string
b, err := ioutil.ReadAll(r)
if err != nil {
return "", nil, err
}
zr, err := zip.NewReader(bytes.NewReader(b), int64(len(b)))
if err != nil {
return "", nil, fmt.Errorf("error unzipping data: %v", err)
}
for _, f := range zr.File {
switch f.Name {
case "meta.xml":
rc, err := f.Open()
if err != nil {
return "", nil, fmt.Errorf("error extracting '%v' from archive: %v", f.Name, err)
}
defer rc.Close()
info, err := XMLToMap(rc)
if err != nil {
return "", nil, fmt.Errorf("error parsing '%v': %v", f.Name, err)
}
if tmp, ok := info["creator"]; ok {
meta["Author"] = tmp
}
if tmp, ok := info["date"]; ok {
if t, err := time.Parse("2006-01-02T15:04:05", tmp); err == nil {
meta["ModifiedDate"] = fmt.Sprintf("%d", t.Unix())
}
}
if tmp, ok := info["creation-date"]; ok {
if t, err := time.Parse("2006-01-02T15:04:05", tmp); err == nil {
meta["CreatedDate"] = fmt.Sprintf("%d", t.Unix())
}
}
case "content.xml":
rc, err := f.Open()
if err != nil {
return "", nil, fmt.Errorf("error extracting '%v' from archive: %v", f.Name, err)
}
defer rc.Close()
textBody, err = XMLToText(rc, []string{"br", "p", "tab"}, []string{}, true)
if err != nil {
return "", nil, fmt.Errorf("error parsing '%v': %v", f.Name, err)
}
}
}
return textBody, meta, nil
}