fix stat cache for space shares (#2689)

changelog/unreleased/use-share-api-spaces.md

@@ -4,3 +4,4 @@ We now use the cs3 share Api to manage the space roles. We do not send the reque
 
 https://github.com/cs3org/reva/pull/2600
 https://github.com/cs3org/reva/pull/2620
+https://github.com/cs3org/reva/pull/2687

internal/grpc/services/gateway/storageprovidercache.go

@@ -232,7 +232,7 @@ func statKey(user *userpb.User, ref *provider.Reference, metaDataKeys []string)
 		return ""
 	}
 
-	key := "uid" + user.Id.OpaqueId + "!sid:" + ref.ResourceId.StorageId + "!oid:" + ref.ResourceId.OpaqueId + "!path:" + ref.Path
+	key := "uid:" + user.Id.OpaqueId + "!sid:" + ref.ResourceId.StorageId + "!oid:" + ref.ResourceId.OpaqueId + "!path:" + ref.Path
 	for _, k := range metaDataKeys {
 		key += "!mdk:" + k
 	}

internal/grpc/services/gateway/usershareprovider.go

@@ -661,6 +661,7 @@ func (s *svc) addSpaceShare(ctx context.Context, req *collaboration.CreateShareR
 	switch st.Code {
 	case rpc.Code_CODE_OK:
 		s.cache.RemoveStat(ctxpkg.ContextMustGetUser(ctx), req.ResourceInfo.Id)
+		s.cache.RemoveListStorageProviders(req.ResourceInfo.Id)
 	case rpc.Code_CODE_UNIMPLEMENTED:
 		appctx.GetLogger(ctx).Debug().Interface("status", st).Interface("req", req).Msg("storing grants not supported, ignoring")
 	default:
@@ -764,6 +765,7 @@ func (s *svc) removeSpaceShare(ctx context.Context, ref *provider.ResourceId, gr
 		}, err
 	}
 	s.cache.RemoveStat(ctxpkg.ContextMustGetUser(ctx), ref)
+	s.cache.RemoveListStorageProviders(ref)
 	return &collaboration.RemoveShareResponse{Status: status.NewOK(ctx)}, nil
 }