gateway: ignore unimplemented add/denyGrant response

Signed-off-by: Jörn Friedrich Dreyer <[email protected]>

internal/grpc/services/gateway/usershareprovider.go

@@ -66,26 +66,27 @@ func (s *svc) CreateShare(ctx context.Context, req *collaboration.CreateShareReq
 	// TODO(labkode): if both commits are enabled they could be done concurrently.
 	if s.c.CommitShareToStorageGrant {
 		// If the share is a denial we call  denyGrant instead.
+		var status *rpc.Status
 		if grants.PermissionsEqual(req.Grant.Permissions.Permissions, &provider.ResourcePermissions{}) {
-			denyGrantStatus, err := s.denyGrant(ctx, req.ResourceInfo.Id, req.Grant.Grantee)
+			status, err = s.denyGrant(ctx, req.ResourceInfo.Id, req.Grant.Grantee)
 			if err != nil {
 				return nil, errors.Wrap(err, "gateway: error denying grant in storage")
 			}
-			if denyGrantStatus.Code != rpc.Code_CODE_OK {
-				return &collaboration.CreateShareResponse{
-					Status: denyGrantStatus,
-				}, err
+		} else {
+			status, err = s.addGrant(ctx, req.ResourceInfo.Id, req.Grant.Grantee, req.Grant.Permissions.Permissions)
+			if err != nil {
+				return nil, errors.Wrap(err, "gateway: error adding grant to storage")
 			}
-			return res, nil
 		}
 
-		addGrantStatus, err := s.addGrant(ctx, req.ResourceInfo.Id, req.Grant.Grantee, req.Grant.Permissions.Permissions)
-		if err != nil {
-			return nil, errors.Wrap(err, "gateway: error adding grant to storage")
-		}
-		if addGrantStatus.Code != rpc.Code_CODE_OK {
+		switch status.Code {
+		case rpc.Code_CODE_OK:
+			// ok
+		case rpc.Code_CODE_UNIMPLEMENTED:
+			appctx.GetLogger(ctx).Debug().Interface("status", status).Interface("req", req).Msg("not supported, ignoring")
+		default:
 			return &collaboration.CreateShareResponse{
-				Status: addGrantStatus,
+				Status: status,
 			}, err
 		}
 	}