From 85eacdb9703b0eaeb647d0870fa88efe664328e3 Mon Sep 17 00:00:00 2001
From: Denis Kirillov <denis@nspcc.ru>
Date: Thu, 21 Jul 2022 12:05:47 +0300
Subject: [PATCH] [#602] Fix removal non-empty bucket

Signed-off-by: Denis Kirillov <denis@nspcc.ru>
---
 api/handler/delete_test.go | 20 ++++++++++++++++++++
 api/layer/layer.go         |  4 ++--
 api/layer/neofs_mock.go    |  7 +++++++
 api/layer/object.go        | 13 +++++++++++--
 4 files changed, 40 insertions(+), 4 deletions(-)

diff --git a/api/handler/delete_test.go b/api/handler/delete_test.go
index a1b75d67..cd39d975 100644
--- a/api/handler/delete_test.go
+++ b/api/handler/delete_test.go
@@ -14,6 +14,20 @@ const (
 	emptyVersion = ""
 )
 
+func TestDeleteBucket(t *testing.T) {
+	tc := prepareHandlerContext(t)
+
+	bktName, objName := "bucket-for-removal", "object-to-delete"
+	_, objInfo := createVersionedBucketAndObject(t, tc, bktName, objName)
+
+	deleteMarker := deleteObject(t, tc, bktName, objName, emptyVersion)
+	deleteBucket(t, tc, bktName, http.StatusConflict)
+	deleteObject(t, tc, bktName, objName, objInfo.Version())
+	deleteBucket(t, tc, bktName, http.StatusConflict)
+	deleteObject(t, tc, bktName, objName, deleteMarker)
+	deleteBucket(t, tc, bktName, http.StatusNoContent)
+}
+
 func TestDeleteObject(t *testing.T) {
 	tc := prepareHandlerContext(t)
 
@@ -214,6 +228,12 @@ func deleteObject(t *testing.T, tc *handlerContext, bktName, objName, version st
 	return w.Header().Get(api.AmzVersionID)
 }
 
+func deleteBucket(t *testing.T, tc *handlerContext, bktName string, code int) {
+	w, r := prepareTestRequest(t, bktName, "", nil)
+	tc.Handler().DeleteBucketHandler(w, r)
+	assertStatus(t, w, code)
+}
+
 func checkNotFound(t *testing.T, tc *handlerContext, bktName, objName, version string) {
 	query := make(url.Values)
 	query.Add(api.QueryVersionID, version)
diff --git a/api/layer/layer.go b/api/layer/layer.go
index 93d50ab5..27752305 100644
--- a/api/layer/layer.go
+++ b/api/layer/layer.go
@@ -593,11 +593,11 @@ func (n *layer) ResolveBucket(ctx context.Context, name string) (cid.ID, error)
 }
 
 func (n *layer) DeleteBucket(ctx context.Context, p *DeleteBucketParams) error {
-	objects, _, err := n.getLatestObjectsVersions(ctx, allObjectParams{Bucket: p.BktInfo, MaxKeys: 1})
+	nodeVersions, err := n.bucketNodeVersions(ctx, p.BktInfo, "")
 	if err != nil {
 		return err
 	}
-	if len(objects) != 0 {
+	if len(nodeVersions) != 0 {
 		return errors.GetAPIError(errors.ErrBucketNotEmpty)
 	}
 
diff --git a/api/layer/neofs_mock.go b/api/layer/neofs_mock.go
index eba4cf38..e08de6b9 100644
--- a/api/layer/neofs_mock.go
+++ b/api/layer/neofs_mock.go
@@ -16,6 +16,7 @@ import (
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
 	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
+	"github.com/nspcc-dev/neofs-sdk-go/session"
 	"github.com/nspcc-dev/neofs-sdk-go/user"
 )
 
@@ -96,6 +97,12 @@ func (t *TestNeoFS) CreateContainer(_ context.Context, prm PrmContainerCreate) (
 	return id, nil
 }
 
+func (t *TestNeoFS) DeleteContainer(_ context.Context, cnrID cid.ID, _ *session.Container) error {
+	delete(t.containers, cnrID.EncodeToString())
+
+	return nil
+}
+
 func (t *TestNeoFS) Container(_ context.Context, id cid.ID) (*container.Container, error) {
 	for k, v := range t.containers {
 		if k == id.EncodeToString() {
diff --git a/api/layer/object.go b/api/layer/object.go
index 9d51d9b1..22f79a8a 100644
--- a/api/layer/object.go
+++ b/api/layer/object.go
@@ -553,7 +553,7 @@ func (n *layer) initWorkerPool(ctx context.Context, size int, p allObjectParams,
 	return objCh, nil
 }
 
-func (n *layer) getAllObjectsVersions(ctx context.Context, bkt *data.BucketInfo, prefix, delimiter string) (map[string][]*data.ExtendedObjectInfo, error) {
+func (n *layer) bucketNodeVersions(ctx context.Context, bkt *data.BucketInfo, prefix string) ([]*data.NodeVersion, error) {
 	var err error
 
 	cacheKey := cache.CreateObjectsListCacheKey(bkt.CID, prefix, false)
@@ -562,13 +562,22 @@ func (n *layer) getAllObjectsVersions(ctx context.Context, bkt *data.BucketInfo,
 	if nodeVersions == nil {
 		nodeVersions, err = n.treeService.GetAllVersionsByPrefix(ctx, bkt.CID, prefix)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("get all versions from tree service: %w", err)
 		}
 		if err = n.listsCache.PutVersions(cacheKey, nodeVersions); err != nil {
 			n.log.Error("couldn't cache list of objects", zap.Error(err))
 		}
 	}
 
+	return nodeVersions, nil
+}
+
+func (n *layer) getAllObjectsVersions(ctx context.Context, bkt *data.BucketInfo, prefix, delimiter string) (map[string][]*data.ExtendedObjectInfo, error) {
+	nodeVersions, err := n.bucketNodeVersions(ctx, bkt, prefix)
+	if err != nil {
+		return nil, err
+	}
+
 	versions := make(map[string][]*data.ExtendedObjectInfo, len(nodeVersions))
 
 	for _, nodeVersion := range nodeVersions {