Fixing issue with missing user (mattermost#2989)

api/team.go

@@ -266,6 +266,10 @@ func JoinUserToTeam(team *model.Team, user *model.User) *model.AppError {
 		return tmr.Err
 	}
 
+	if uua := <-Srv.Store.User().UpdateUpdateAt(user.Id); uua.Err != nil {
+		return uua.Err
+	}
+
 	// Soft error if there is an issue joining the default channels
 	if err := JoinDefaultChannels(team.Id, user, channelRole); err != nil {
 		l4g.Error(utils.T("api.user.create_user.joining.error"), user.Id, team.Id, err)

store/sql_user_store.go

@@ -197,6 +197,27 @@ func (us SqlUserStore) UpdateLastPictureUpdate(userId string) StoreChannel {
 	return storeChannel
 }
 
+func (us SqlUserStore) UpdateUpdateAt(userId string) StoreChannel {
+	storeChannel := make(StoreChannel)
+
+	go func() {
+		result := StoreResult{}
+
+		curTime := model.GetMillis()
+
+		if _, err := us.GetMaster().Exec("UPDATE Users SET UpdateAt = :Time WHERE Id = :UserId", map[string]interface{}{"Time": curTime, "UserId": userId}); err != nil {
+			result.Err = model.NewLocAppError("SqlUserStore.UpdateUpdateAt", "store.sql_user.update_update.app_error", nil, "user_id="+userId)
+		} else {
+			result.Data = userId
+		}
+
+		storeChannel <- result
+		close(storeChannel)
+	}()
+
+	return storeChannel
+}
+
 func (us SqlUserStore) UpdateLastPingAt(userId string, time int64) StoreChannel {
 	storeChannel := make(StoreChannel)
 
@@ -461,7 +482,7 @@ func (s SqlUserStore) GetEtagForDirectProfiles(userId string) StoreChannel {
 			        WHERE
 			            UserId = :UserId
 			                AND Category = 'direct_channel_show')
-			ORDER BY UpdateAt DESC
+			ORDER BY UpdateAt DESC LIMIT 1
         `, map[string]interface{}{"UserId": userId})
 		if err != nil {
 			result.Data = fmt.Sprintf("%v.%v", model.CurrentVersion, model.GetMillis())

store/sql_user_store_test.go

@@ -105,6 +105,30 @@ func TestUserStoreUpdate(t *testing.T) {
 	}
 }
 
+func TestUserStoreUpdateUpdateAt(t *testing.T) {
+	Setup()
+
+	u1 := &model.User{}
+	u1.Email = model.NewId()
+	Must(store.User().Save(u1))
+	Must(store.Team().SaveMember(&model.TeamMember{TeamId: model.NewId(), UserId: u1.Id}))
+
+	time.Sleep(10 * time.Millisecond)
+
+	if err := (<-store.User().UpdateUpdateAt(u1.Id)).Err; err != nil {
+		t.Fatal(err)
+	}
+
+	if r1 := <-store.User().Get(u1.Id); r1.Err != nil {
+		t.Fatal(r1.Err)
+	} else {
+		if r1.Data.(*model.User).UpdateAt <= u1.UpdateAt {
+			t.Fatal("UpdateAt not updated correctly")
+		}
+	}
+
+}
+
 func TestUserStoreUpdateLastPingAt(t *testing.T) {
 	Setup()
 

store/store.go

@@ -122,6 +122,7 @@ type UserStore interface {
 	Save(user *model.User) StoreChannel
 	Update(user *model.User, allowRoleUpdate bool) StoreChannel
 	UpdateLastPictureUpdate(userId string) StoreChannel
+	UpdateUpdateAt(userId string) StoreChannel
 	UpdateLastPingAt(userId string, time int64) StoreChannel
 	UpdateLastActivityAt(userId string, time int64) StoreChannel
 	UpdateUserAndSessionActivity(userId string, sessionId string, time int64) StoreChannel