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package drive
import (
"fmt"
"mime"
"os"
"io"
"time"
"path/filepath"
"google.golang.org/api/googleapi"
"google.golang.org/api/drive/v3"
)
type UploadArgs struct {
Out io.Writer
Progress io.Writer
Path string
Name string
Parents []string
Mime string
Recursive bool
Share bool
ChunkSize int64
}
func (self *Drive) Upload(args UploadArgs) error {
if args.ChunkSize > intMax() - 1 {
return fmt.Errorf("Chunk size is to big, max chunk size for this computer is %d", intMax() - 1)
}
return self.upload(args)
}
func (self *Drive) upload(args UploadArgs) error {
info, err := os.Stat(args.Path)
if err != nil {
return fmt.Errorf("Failed stat file: %s", err)
}
if info.IsDir() && !args.Recursive {
return fmt.Errorf("'%s' is a directory, use --recursive to upload directories", info.Name())
} else if info.IsDir() {
args.Name = ""
return self.uploadDirectory(args)
} else {
_, err := self.uploadFile(args)
return err
}
}
func (self *Drive) uploadDirectory(args UploadArgs) error {
srcFile, srcFileInfo, err := openFile(args.Path)
if err != nil {
return err
}
// Close file on function exit
defer srcFile.Close()
// Make directory on drive
f, err := self.mkdir(MkdirArgs{
Out: args.Out,
Name: srcFileInfo.Name(),
Parents: args.Parents,
Share: args.Share,
})
if err != nil {
return err
}
// Read files from directory
names, err := srcFile.Readdirnames(0)
if err != nil && err != io.EOF {
return fmt.Errorf("Failed reading directory: %s", err)
}
for _, name := range names {
// Copy args and set new path and parents
newArgs := args
newArgs.Path = filepath.Join(args.Path, name)
newArgs.Parents = []string{f.Id}
// Upload
err = self.upload(newArgs)
if err != nil {
return err
}
}
return nil
}
func (self *Drive) uploadFile(args UploadArgs) (*drive.File, error) {
srcFile, srcFileInfo, err := openFile(args.Path)
if err != nil {
return nil, err
}
// Close file on function exit
defer srcFile.Close()
// Instantiate empty drive file
dstFile := &drive.File{}
// Use provided file name or use filename
if args.Name == "" {
dstFile.Name = filepath.Base(srcFileInfo.Name())
} else {
dstFile.Name = args.Name
}
// Set provided mime type or get type based on file extension
if args.Mime == "" {
dstFile.MimeType = mime.TypeByExtension(filepath.Ext(dstFile.Name))
} else {
dstFile.MimeType = args.Mime
}
// Set parent folders
dstFile.Parents = args.Parents
// Chunk size option
chunkSize := googleapi.ChunkSize(int(args.ChunkSize))
// Wrap file in progress reader
srcReader := getProgressReader(srcFile, args.Progress, srcFileInfo.Size())
fmt.Fprintf(args.Out, "\nUploading %s...\n", args.Path)
started := time.Now()
f, err := self.service.Files.Create(dstFile).Fields("id", "name", "size", "md5Checksum").Media(srcReader, chunkSize).Do()
if err != nil {
return nil, fmt.Errorf("Failed to upload file: %s", err)
}
// Calculate average upload rate
rate := calcRate(f.Size, started, time.Now())
fmt.Fprintf(args.Out, "[file] id: %s, md5: %s, name: %s\n", f.Id, f.Md5Checksum, f.Name)
fmt.Fprintf(args.Out, "Uploaded '%s' at %s/s, total %s\n", f.Name, formatSize(rate, false), formatSize(f.Size, false))
return f, nil
}
type UploadStreamArgs struct {
Out io.Writer
In io.Reader
Name string
Parents []string
Mime string
Share bool
ChunkSize int64
}
func (self *Drive) UploadStream(args UploadStreamArgs) (err error) {
if args.ChunkSize > intMax() - 1 {
return fmt.Errorf("Chunk size is to big, max chunk size for this computer is %d", intMax() - 1)
}
// Instantiate empty drive file
dstFile := &drive.File{Name: args.Name}
// Set mime type if provided
if args.Mime != "" {
dstFile.MimeType = args.Mime
}
// Set parent folders
dstFile.Parents = args.Parents
// Chunk size option
chunkSize := googleapi.ChunkSize(int(args.ChunkSize))
f, err := self.service.Files.Create(dstFile).Media(args.In, chunkSize).Do()
if err != nil {
return fmt.Errorf("Failed to upload file: %s", err)
}
fmt.Fprintf(args.Out, "Uploaded '%s' at %s, total %d\n", f.Name, "x/s", f.Size)
//if args.Share {
// self.Share(TODO)
//}
return
}
func openFile(path string) (*os.File, os.FileInfo, error) {
f, err := os.Open(path)
if err != nil {
return nil, nil, fmt.Errorf("Failed to open file: %s", err)
}
info, err := f.Stat()
if err != nil {
return nil, nil, fmt.Errorf("Failed getting file metadata: %s", err)
}
return f, info, nil
}
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