// Download file from drive
func Download(d *gdrive.Drive, fileId string, stdout, deleteAfterDownload bool, format string, force bool) error {
// Get file info
info, err := d.Files.Get(fileId).Do()
if err != nil {
return fmt.Errorf("An error occurred: %v\n", err)
}
downloadUrl, extension, err := util.InternalDownloadUrlAndExtension(info, format)
if err != nil {
return err
}
// Measure transfer rate
getRate := util.MeasureTransferRate()
// GET the download url
res, err := d.Client().Get(downloadUrl)
if err != nil {
return fmt.Errorf("An error occurred: %v", err)
}
// Close body on function exit
defer res.Body.Close()
// Write file content to stdout
if stdout {
io.Copy(os.Stdout, res.Body)
return nil
}
fileName := fmt.Sprintf("%s%s", info.Title, extension)
// Check if file exists
if !force && util.FileExists(fileName) {
return fmt.Errorf("An error occurred: '%s' already exists", fileName)
}
// Create a new file
outFile, err := os.Create(fileName)
if err != nil {
return fmt.Errorf("An error occurred: %v\n", err)
}
// Close file on function exit
defer outFile.Close()
// Save file to disk
bytes, err := io.Copy(outFile, res.Body)
if err != nil {
return fmt.Errorf("An error occurred: %s", err)
}
fmt.Printf("Downloaded '%s' at %s, total %s\n", fileName, getRate(bytes), util.FileSizeFormat(bytes, false))
if deleteAfterDownload {
err = Delete(d, fileId)
}
return err
}
func uploadFile(d *gdrive.Drive, input *os.File, inputInfo os.FileInfo, title string, parentId string, share bool, mimeType string, convert bool, properties string) error {
if title == "" {
title = filepath.Base(inputInfo.Name())
}
if mimeType == "" {
mimeType = mime.TypeByExtension(filepath.Ext(title))
}
// File instance
f := &drive.File{Title: title, MimeType: mimeType}
// Set parent (if provided)
if parentId != "" {
p := &drive.ParentReference{Id: parentId}
f.Parents = []*drive.ParentReference{p}
}
json.Unmarshal([]byte(properties), &f.Properties)
getRate := util.MeasureTransferRate()
if convert {
fmt.Printf("Converting to Google Docs format enabled\n")
}
info, err := d.Files.Insert(f).Convert(convert).ResumableMedia(context.Background(), input, inputInfo.Size(), mimeType).Do()
if err != nil {
return fmt.Errorf("An error occurred uploading the document: %v\n", err)
}
// Total bytes transferred
bytes := info.FileSize
// Print information about uploaded file
printInfo(d, info, false)
fmt.Printf("MIME Type: %s\n", mimeType)
fmt.Printf("Uploaded '%s' at %s, total %s\n", info.Title, getRate(bytes), util.FileSizeFormat(bytes, false))
// Share file if the share flag was provided
if share {
err = Share(d, info.Id)
}
return err
}
// Upload file to drive
func UploadStdin(d *gdrive.Drive, input io.ReadCloser, title string, parentId string, share bool, mimeType string, convert bool, properties string) error {
// File instance
f := &drive.File{Title: title}
// Set parent (if provided)
if parentId != "" {
p := &drive.ParentReference{Id: parentId}
f.Parents = []*drive.ParentReference{p}
}
json.Unmarshal([]byte(properties), &f.Properties)
getRate := util.MeasureTransferRate()
if convert {
fmt.Printf("Converting to Google Docs format enabled\n")
}
info, err := d.Files.Insert(f).Convert(convert).Media(input).Do()
if err != nil {
return fmt.Errorf("An error occurred uploading the document: %v\n", err)
}
// Total bytes transferred
bytes := info.FileSize
// Print information about uploaded file
printInfo(d, info, false)
fmt.Printf("MIME Type: %s\n", mimeType)
fmt.Printf("Uploaded '%s' at %s, total %s\n", info.Title, getRate(bytes), util.FileSizeFormat(bytes, false))
// Share file if the share flag was provided
if share {
err = Share(d, info.Id)
}
return err
}