Files
cfw-autumn/shared/utils/cusEntUtils/overageUtils/cusEntToInvoiceUsage.ts
2026-03-02 10:43:01 +00:00

49 lines
1.5 KiB
TypeScript

import { Decimal } from "decimal.js";
import type { FullCusEntWithFullCusProduct } from "../../../models/cusProductModels/cusEntModels/cusEntWithProduct";
import { cusEntToStartingBalance } from "../balanceUtils/cusEntToStartingBalance";
import { isEntityScopedCusEnt } from "../classifyCusEntUtils";
import { cusEntToInvoiceOverage } from "./cusEntToInvoiceOverage";
export const cusEntToInvoiceUsage = ({
cusEnt,
subtractReplaceables = false,
}: {
cusEnt: FullCusEntWithFullCusProduct;
subtractReplaceables?: boolean;
}) => {
const startingBalance = cusEntToStartingBalance({ cusEnt });
const invoiceOverage = cusEntToInvoiceOverage({ cusEnt });
// 1. If invoice overage > 0:
if (invoiceOverage > 0) {
const usage = new Decimal(startingBalance).add(invoiceOverage);
if (subtractReplaceables) {
const numReplaceables =
cusEnt.replaceables?.filter((r) => r.delete_next_cycle).length ?? 0;
const finalUsage = usage.sub(numReplaceables).toNumber();
return Math.max(finalUsage, 0);
}
return usage.toNumber();
}
// 1. If entity scoped
if (isEntityScopedCusEnt(cusEnt)) {
let maxUsage = new Decimal(0);
for (const [_, entity] of Object.entries(cusEnt.entities || {})) {
const usage = new Decimal(startingBalance).sub(entity.balance);
maxUsage = Decimal.max(maxUsage, usage);
}
return maxUsage.toNumber();
}
// 2. If not entity scoped
const usage = new Decimal(startingBalance).sub(cusEnt.balance || 0);
return usage.toNumber();
};