func (self *ApierV1) ExportCdrsToZipString(attr utils.AttrExpFileCdrs, reply *string) error {
tmpDir := "/tmp"
attr.ExportDir = &tmpDir // Enforce exporting to tmp always so we avoid cleanup issues
efc := utils.ExportedFileCdrs{}
if err := self.ExportCdrsToFile(attr, &efc); err != nil {
return err
} else if efc.TotalRecords == 0 || len(efc.ExportedFilePath) == 0 {
return errors.New("No CDR records to export")
}
// Create a buffer to write our archive to.
buf := new(bytes.Buffer)
// Create a new zip archive.
w := zip.NewWriter(buf)
// read generated file
content, err := ioutil.ReadFile(efc.ExportedFilePath)
if err != nil {
return err
}
exportFileName := path.Base(efc.ExportedFilePath)
f, err := w.Create(exportFileName)
if err != nil {
return err
}
_, err = f.Write(content)
if err != nil {
return err
}
// Write metadata into a separate file with extension .cgr
medaData, err := json.MarshalIndent(efc, "", " ")
if err != nil {
errors.New("Failed creating metadata content")
}
medatadaFileName := exportFileName[:len(path.Ext(exportFileName))] + ".cgr"
mf, err := w.Create(medatadaFileName)
if err != nil {
return err
}
_, err = mf.Write(medaData)
if err != nil {
return err
}
// Make sure to check the error on Close.
if err := w.Close(); err != nil {
return err
}
if err := os.Remove(efc.ExportedFilePath); err != nil {
fmt.Errorf("Failed removing exported file at path: %s", efc.ExportedFilePath)
}
*reply = base64.StdEncoding.EncodeToString(buf.Bytes())
return nil
}
