34 lines
730 B
TypeScript
34 lines
730 B
TypeScript
import sqlite from "better-sqlite3";
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import {
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lotOccupancyDB as databasePath
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} from "../../data/databasePaths.js";
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export const getPreviousLotId = (lotId: number | string): number => {
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const database = sqlite(databasePath, {
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readonly: true
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});
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const result: {
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lotId: number
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} = database
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.prepare("select lotId from Lots" +
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" where recordDelete_timeMillis is null" +
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" and lotName < (select lotName from Lots where lotId = ?)" +
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" order by lotName desc" +
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" limit 1")
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.get(lotId);
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database.close();
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if (result) {
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return result.lotId;
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}
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return undefined;
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};
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export default getPreviousLotId; |