Files
Gerhard Scheikl 5b2aa5d62b first version
2026-04-28 21:56:11 +02:00

39 lines
1.2 KiB
TypeScript

import db from "../../db.server";
import type { ShopSettings } from "@prisma/client";
/**
* Allocates an invoice number for the given order, using the shop's
* configured numbering mode. For `prefix_sequential`, allocation is atomic
* across concurrent requests via Prisma's interactive transaction (with the
* counter row acting as the lock).
*/
export async function allocateInvoiceNumber(
settings: ShopSettings,
orderNumber: number,
): Promise<string> {
const prefix = settings.invoicePrefix || "";
if (settings.numberingMode === "prefix_sequential") {
const next = await db.$transaction(async (tx) => {
const counter = await tx.invoiceCounter.upsert({
where: { shopDomain: settings.shopDomain },
create: {
shopDomain: settings.shopDomain,
lastValue: settings.invoiceSeed,
},
update: {},
});
const newValue = counter.lastValue + 1;
await tx.invoiceCounter.update({
where: { shopDomain: settings.shopDomain },
data: { lastValue: newValue },
});
return newValue;
});
return `${prefix}${next}`;
}
// Default: reuse the Shopify order number with the configured prefix.
return `${prefix}${orderNumber}`;
}