[#370] Fix fetching attributes from tree

Port #374

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

pkg/service/tree/tree.go

@@ -610,7 +610,7 @@ func (c *Tree) GetVersions(ctx context.Context, bktInfo *data.BucketInfo, filepa
 }
 
 func (c *Tree) GetLatestVersion(ctx context.Context, bktInfo *data.BucketInfo, objectName string) (*data.NodeVersion, error) {
-	meta := []string{oidKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV, md5KV}
+	meta := []string{oidKV, isCombinedKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV, md5KV}
 	path := pathFromName(objectName)
 
 	p := &GetNodesParams{
@@ -1375,7 +1375,7 @@ func (c *Tree) clearOutdatedVersionInfo(ctx context.Context, bktInfo *data.Bucke
 }
 
 func (c *Tree) getVersions(ctx context.Context, bktInfo *data.BucketInfo, treeID, filepath string, onlyUnversioned bool) ([]*data.NodeVersion, error) {
-	keysToReturn := []string{oidKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV, md5KV}
+	keysToReturn := []string{oidKV, isCombinedKV, isUnversionedKV, isDeleteMarkerKV, etagKV, sizeKV, md5KV}
 	path := pathFromName(filepath)
 	p := &GetNodesParams{
 		BktInfo:    bktInfo,

pkg/service/tree/tree_client_in_memory.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
+	"golang.org/x/exp/slices"
 )
 
 type nodeMeta struct {
@@ -184,6 +185,22 @@ func NewTreeServiceClientMemory() (*ServiceClientMemory, error) {
 	}, nil
 }
 
+type nodeResponseWrapper struct {
+	nodeResponse
+	allAttr bool
+	attrs   []string
+}
+
+func (n nodeResponseWrapper) GetMeta() []Meta {
+	res := make([]Meta, 0, len(n.meta))
+	for _, value := range n.meta {
+		if n.allAttr || slices.Contains(n.attrs, value.key) {
+			res = append(res, value)
+		}
+	}
+	return res
+}
+
 func (c *ServiceClientMemory) GetNodes(_ context.Context, p *GetNodesParams) ([]NodeResponse, error) {
 	cnr, ok := c.containers[p.BktInfo.CID.EncodeToString()]
 	if !ok {
@@ -206,7 +223,11 @@ func (c *ServiceClientMemory) GetNodes(_ context.Context, p *GetNodesParams) ([]
 
 	res2 := make([]NodeResponse, len(res))
 	for i, n := range res {
-		res2[i] = n
+		res2[i] = nodeResponseWrapper{
+			nodeResponse: n,
+			allAttr:      p.AllAttrs,
+			attrs:        p.Meta,
+		}
 	}
 
 	return res2, nil