fix: publish member joined after group invitation

server/im_http_test.go

@@ -3715,16 +3715,19 @@ func TestServeIMGroupInvitationAddsNonMember(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 	expectIMBearer(t, ctrl, "token-1", 7, 42)
+	oldHub := globals.hub
 	oldSubs := store.Subs
 	oldGroupBusiness := store.GroupBusiness
 	oldSecurity := store.Security
 	subs := mock_store.NewMockSubsPersistenceInterface(ctrl)
 	groupStore := &testGroupBusinessStore{}
 	securityStore := &testUserSecurityStore{}
+	globals.hub = &Hub{routeSrv: make(chan *ServerComMessage, 2)}
 	store.Subs = subs
 	store.GroupBusiness = groupStore
 	store.Security = securityStore
 	defer func() {
+		globals.hub = oldHub
 		store.Subs = oldSubs
 		store.GroupBusiness = oldGroupBusiness
 		store.Security = oldSecurity
@@ -3758,6 +3761,21 @@ func TestServeIMGroupInvitationAddsNonMember(t *testing.T) {
 	if len(securityStore.notifications) != 0 {
 		t.Fatalf("direct invite should not create approval notification: %#v", securityStore.notifications)
 	}
+	select {
+	case msg := <-globals.hub.routeSrv:
+		if msg.Info == nil || msg.Info.Event != "group.member.joined" || msg.Info.Topic != "grpAlpha" {
+			t.Fatalf("unexpected realtime event: %#v", msg)
+		}
+		var payload map[string]any
+		if err := json.Unmarshal(msg.Info.Payload, &payload); err != nil {
+			t.Fatalf("decode payload: %v", err)
+		}
+		if payload["user_id"] != target.UserId() || payload["member_sync"] != "single" || payload["source"] != "direct_invitation" {
+			t.Fatalf("unexpected member joined payload: %#v", payload)
+		}
+	default:
+		t.Fatal("missing group.member.joined realtime event")
+	}
 }
 
 func TestServeIMGroupInvitationCreatesApprovalRequest(t *testing.T) {