wip

shared/utils/cusEntUtils/overageUtils/cusEntToInvoiceOverage.ts

@@ -2,7 +2,7 @@ import { Decimal } from "decimal.js";
 import type { FullCusEntWithFullCusProduct } from "../../../models/cusProductModels/cusEntModels/cusEntWithProduct";
 import { isEntityScopedCusEnt } from "../classifyCusEntUtils";
 
-export const cusEntToTotalOverage = ({
+export const cusEntToInvoiceOverage = ({
 	cusEnt,
 }: {
 	cusEnt: FullCusEntWithFullCusProduct;

shared/utils/cusEntUtils/overageUtils/cusEntToInvoiceUsage.ts

@@ -0,0 +1,35 @@
+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,
+}: {
+	cusEnt: FullCusEntWithFullCusProduct;
+}) => {
+	const startingBalance = cusEntToStartingBalance({ cusEnt });
+	const invoiceOverage = cusEntToInvoiceOverage({ cusEnt });
+
+	// 1. If invoice overage > 0:
+	if (invoiceOverage > 0) {
+		return new Decimal(startingBalance).add(invoiceOverage).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();
+};

shared/utils/cusEntUtils/overageUtils/cusEntToOptions.ts

@@ -0,0 +1,14 @@
+import type { FullCusEntWithFullCusProduct } from "../../../models/cusProductModels/cusEntModels/cusEntWithProduct";
+import { entToOptions } from "../../productUtils/convertUtils";
+
+export const cusEntToOptions = ({
+	cusEnt,
+}: {
+	cusEnt: FullCusEntWithFullCusProduct;
+}) => {
+	const ent = cusEnt.entitlement;
+	return entToOptions({
+		ent,
+		options: cusEnt.customer_product.options,
+	});
+};