Enha: tx for cron

crons/main.go

@@ -29,18 +29,36 @@ func (cm *CronManager) Start() {
 }
 
 func (cm *CronManager) CleanupRooms() {
-	ctx := context.Background()
+	ctx, tx, err := cm.repo.InitTx(context.Background())
+	if err != nil {
+		cm.log.Error("failed to init transaction", "err", err)
+		return
+	}
+	defer func() {
+		if r := recover(); r != nil {
+			if err := tx.Rollback(); err != nil {
+				cm.log.Error("failed to rollback transaction", "err", err)
+			}
+			panic(r)
+		}
+	}()
+
 	rooms, err := cm.repo.RoomList(ctx)
 	if err != nil {
 		cm.log.Error("failed to get rooms list", "err", err)
+		if err := tx.Rollback(); err != nil {
+			cm.log.Error("failed to rollback transaction", "err", err)
+		}
 		return
 	}
+
 	for _, room := range rooms {
 		players, err := cm.repo.PlayerListByRoom(ctx, room.ID)
 		if err != nil {
 			cm.log.Error("failed to get players for room", "room_id", room.ID, "err", err)
 			continue
 		}
+
 		if len(players) == 0 {
 			cm.log.Info("deleting empty room", "room_id", room.ID)
 			if err := cm.repo.RoomDeleteByID(ctx, room.ID); err != nil {
@@ -48,6 +66,7 @@ func (cm *CronManager) CleanupRooms() {
 			}
 			continue
 		}
+
 		creatorInRoom := false
 		for _, player := range players {
 			if player.Username == room.CreatorName {
@@ -55,6 +74,7 @@ func (cm *CronManager) CleanupRooms() {
 				break
 			}
 		}
+
 		if !creatorInRoom {
 			cm.log.Info("deleting room because creator left", "room_id", room.ID)
 			for _, player := range players {
@@ -73,4 +93,9 @@ func (cm *CronManager) CleanupRooms() {
 			}
 		}
 	}
+
+	if err := tx.Commit(); err != nil {
+		cm.log.Error("failed to commit transaction", "err", err)
+	}
 }
+