feat: add option to delete storage media files

pkg/storage/alist.go

@@ -72,3 +72,7 @@ func (a *Alist) UploadProgress() float64 {
 	}
 	return a.progresser()
 }
+
+func (a *Alist) RemoveAll(path string) error {
+	return nil
+}

pkg/storage/base.go

@@ -20,6 +20,7 @@ type Storage interface {
 	ReadFile(string) ([]byte, error)
 	WriteFile(string, []byte) error
 	UploadProgress() float64
+	RemoveAll(path string) error
 }
 
 type uploadFunc func(destPath string, destInfo fs.FileInfo, srcReader io.Reader, mimeType *mimetype.MIME) error

pkg/storage/local.go

@@ -71,3 +71,7 @@ func (l *LocalStorage) WriteFile(name string, data []byte) error {
 func (l *LocalStorage) UploadProgress() float64 {
 	return 0
 }
+
+func (i *LocalStorage) RemoveAll(path string) error {
+	return os.RemoveAll(path)
+}

pkg/storage/webdav.go

@@ -85,3 +85,7 @@ func (w *WebdavStorage) UploadProgress() float64 {
 	}
 	return w.progresser()
 }
+
+func (w *WebdavStorage) RemoveAll(path string) error {
+	return w.fs.RemoveAll(path)
+}