seaweedfs/weed/filer/filer_rename.go

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2020-12-11 07:50:32 +00:00
package filer
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/util"
"strings"
)
func (f *Filer) CanRename(source, target util.FullPath) error {
sourceBucket := f.DetectBucket(source)
targetBucket := f.DetectBucket(target)
if sourceBucket != targetBucket {
return fmt.Errorf("can not move across collection %s => %s", sourceBucket, targetBucket)
}
return nil
}
func (f *Filer) DetectBucket(source util.FullPath) (bucket string) {
if strings.HasPrefix(string(source), f.DirBucketsPath+"/") {
bucketAndObjectKey := string(source)[len(f.DirBucketsPath)+1:]
t := strings.Index(bucketAndObjectKey, "/")
if t < 0 {
bucket = bucketAndObjectKey
}
if t > 0 {
bucket = bucketAndObjectKey[:t]
}
}
return bucket
}