Revert "Fix: Remove recursive stat to improve volume api requests (#8… (

#869)

…64)"

This reverts commit 1007780.

pkg/abstractions/volume/volume.go

@@ -297,6 +297,17 @@ func (vs *GlobalVolumeService) listVolumes(ctx context.Context, workspace *types
 		return nil, err
 	}
 
+	for i, v := range volumes {
+		path := JoinVolumePath(workspace.Name, v.ExternalId)
+
+		size, err := CalculateDirSize(path)
+		if err != nil {
+			size = 0
+		}
+
+		volumes[i].Size = size
+	}
+
 	return volumes, nil
 }
 
@@ -459,6 +470,10 @@ func (vs *GlobalVolumeService) listPath(ctx context.Context, inputPath string, w
 	for i, p := range matches {
 		info, _ := os.Stat(p)
 		size := info.Size()
+		if info.IsDir() {
+			s, _ := CalculateDirSize(p)
+			size = int64(s)
+		}
 		files[i] = FileInfo{
 			Path:    strings.TrimPrefix(p, rootVolumePath+"/"),
 			Size:    uint64(size),