drive: FilesCreateCall.Media does not support file size

[dougreese]

In the v3 API, using Files.Create(...) with Media support does not allow for specifying total file size. As a result, the ProgressUpdater function supplied always receives a total value of 0.

Using ReusableMedia does support total size, but the doc states:

Deprecated: use Media instead.

The only way to calculate upload progress is to use the deprecated ReusableMedia support. The internally created MediaInfo does not expose the size value, and the only way to set it is via NewInfoFromReusableMedia, which is called by the FilesCreateCall.ReusableMedia method. FilesCreateCall.Media uses NewInfoFromMedia, and I don't see a way to specify size.

[tbpg]

@asrivas, any thoughts on if we should expose this?

Perhaps @broady has ideas?

[du5]

Try this.

f, _ := os.Open(*File)
info, _ := f.Stat()
total := FileSizeFormat(info.Size())

upf := srv.Files.Create(&drive.File{Name: info.Name()}).Media(f).ProgressUpdater(func(current, _ int64) {
	fmt.Printf("Uploaded %s/%s @ %.2f%%\r", FileSizeFormat(current), total, float64(current*100)/float64(info.Size()))
})
if _, err := upf.Do(); err == nil {
	log.Println("Done.")
} else {
	log.Println(err.Error())
}