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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)
}
if args.Recursive {
return self.uploadRecursive(args)
}
info, err := os.Stat(args.Path)
if err != nil {
return fmt.Errorf("Failed stat file: %s", err)
}
if info.IsDir() {
return fmt.Errorf("'%s' is a directory, use --recursive to upload directories", info.Name())
}
f, rate, err := self.uploadFile(args)
fmt.Fprintf(args.Out, "Uploaded %s at %s/s, total %s\n", f.Id, formatSize(rate, false), formatSize(f.Size, false))
if args.Share {
err = self.shareAnyoneReader(f.Id)
if err != nil {
return err
}
fmt.Fprintf(args.Out, "File is readable by anyone at %s\n", f.WebContentLink)
}
return nil
}
func (self *Drive) uploadRecursive(args UploadArgs) error {
info, err := os.Stat(args.Path)
if err != nil {
return fmt.Errorf("Failed stat file: %s", err)
}
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()
fmt.Fprintf(args.Out, "Creating directory %s\n", srcFileInfo.Name())
// Make directory on drive
f, err := self.mkdir(MkdirArgs{
Out: args.Out,
Name: srcFileInfo.Name(),
Parents: args.Parents,
})
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.uploadRecursive(newArgs)
if err != nil {
return err
}
}
return nil
}
func (self *Drive) uploadFile(args UploadArgs) (*drive.File, int64, error) {
srcFile, srcFileInfo, err := openFile(args.Path)
if err != nil {
return nil, 0, 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, "Uploading %s\n", args.Path)
started := time.Now()
f, err := self.service.Files.Create(dstFile).Fields("id", "name", "size", "md5Checksum", "webContentLink").Media(srcReader, chunkSize).Do()
if err != nil {
return nil, 0, fmt.Errorf("Failed to upload file: %s", err)
}
// Calculate average upload rate
rate := calcRate(f.Size, started, time.Now())
return f, rate, nil
}
type UploadStreamArgs struct {
Out io.Writer
In io.Reader
Name string
Parents []string
Mime string
Share bool
ChunkSize int64
Progress io.Writer
}
func (self *Drive) UploadStream(args UploadStreamArgs) 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))
// Wrap file in progress reader
srcReader := getProgressReader(args.In, args.Progress, 0)
fmt.Fprintf(args.Out, "Uploading %s\n", dstFile.Name)
started := time.Now()
f, err := self.service.Files.Create(dstFile).Fields("id", "name", "size", "webContentLink").Media(srcReader, chunkSize).Do()
if err != nil {
return fmt.Errorf("Failed to upload file: %s", err)
}
// Calculate average upload rate
rate := calcRate(f.Size, started, time.Now())
fmt.Fprintf(args.Out, "Uploaded %s at %s/s, total %s\n", f.Id, formatSize(rate, false), formatSize(f.Size, false))
if args.Share {
err = self.shareAnyoneReader(f.Id)
if err != nil {
return err
}
fmt.Fprintf(args.Out, "File is readable by anyone at %s\n", f.WebContentLink)
}
return nil
}
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