def deletePrintJob(self, databaseId):
        databaseIdAsInt = StringUtils.transformToIntOrNone(databaseId)
        if (databaseIdAsInt == None):
            self._logger.error(
                "Could not delete PrintJob, because not a valid databaseId '" +
                str(databaseId) + "' maybe not a number")
            return None

        with self._database.atomic() as transaction:  # Opens new transaction.
            try:
                # first delete relations
                n = FilamentModel.delete().where(
                    FilamentModel.printJob == databaseIdAsInt).execute()
                n = TemperatureModel.delete().where(
                    TemperatureModel.printJob == databaseIdAsInt).execute()
                n = CostModel.delete().where(
                    CostModel.printJob == databaseIdAsInt).execute()

                PrintJobModel.delete_by_id(databaseIdAsInt)
            except Exception as e:
                # Because this block of code is wrapped with "atomic", a
                # new transaction will begin automatically after the call
                # to rollback().
                transaction.rollback()
                self._logger.exception(
                    "Could not delete printJob from database:" + str(e))

                self.sendErrorMessageToClient(
                    "PJH-DatabaseManager",
                    "Could not delete the printjob ('" + str(databaseId) +
                    "') from the database. See OctoPrint.log for details!")
            pass
	def deletePrintJob(self, databaseId):
		with self._database.atomic() as transaction:  # Opens new transaction.
			try:
				# first delete relations
				n = FilamentModel.delete().where(FilamentModel.printJob == databaseId).execute()
				n = TemperatureModel.delete().where(TemperatureModel.printJob == databaseId).execute()

				PrintJobModel.delete_by_id(databaseId)
			except Exception as e:
				# Because this block of code is wrapped with "atomic", a
				# new transaction will begin automatically after the call
				# to rollback().
				transaction.rollback()
				self._logger.exception("Could not delete printJob from database:" + str(e))

				self.sendErrorMessageToClient("PJH-DatabaseManager", "Could not delete the printjob ('"+ str(databaseId) +"') from the database. See OctoPrint.log for details!")
			pass