[#368] Unify cache value deletion

Signed-off-by: Denis Kirillov <[email protected]>

api/layer/layer.go

@@ -890,9 +890,9 @@ func (n *layer) DeleteBucket(ctx context.Context, p *DeleteBucketParams) error {
 		return errors.GetAPIError(errors.ErrBucketNotEmpty)
 	}
 
+	n.bucketCache.Delete(bucketInfo.Name)
 	if err = n.deleteContainer(ctx, bucketInfo.CID); err != nil {
 		return err
 	}
-	n.bucketCache.Delete(bucketInfo.Name)
 	return nil
 }

api/layer/object.go

@@ -189,17 +189,17 @@ func (n *layer) objectPut(ctx context.Context, bkt *data.BucketInfo, p *PutObjec
 
 	n.prepareAuthParameters(ctx, &prm.PrmAuth)
 
-	id, err := n.neoFS.CreateObject(ctx, prm)
-	if err != nil {
-		return nil, n.transformNeofsError(ctx, err)
-	}
-
 	if p.Header[VersionsDeleteMarkAttr] == DelMarkFullObject {
 		if last := versions.getLast(); last != nil {
 			n.objCache.Delete(last.Address())
 		}
 	}
 
+	id, err := n.neoFS.CreateObject(ctx, prm)
+	if err != nil {
+		return nil, n.transformNeofsError(ctx, err)
+	}
+
 	meta, err := n.objectHead(ctx, bkt.CID, id)
 	if err != nil {
 		return nil, err

api/layer/system_object.go

@@ -51,13 +51,13 @@ func (n *layer) deleteSystemObject(ctx context.Context, bktInfo *data.BucketInfo
 		return err
 	}
 
+	n.systemCache.Delete(systemObjectKey(bktInfo, name))
 	for i := range ids {
 		if err = n.objectDelete(ctx, bktInfo.CID, &ids[i]); err != nil {
 			return err
 		}
 	}
 
-	n.systemCache.Delete(systemObjectKey(bktInfo, name))
 	return nil
 }