Files
cfw-autumn/shared/api/customers/cusFeatures/utils/convert/apiBalanceV1ToAvailableOverage.ts
2026-03-30 15:25:40 +01:00

88 lines
2.2 KiB
TypeScript

import type { ApiSpendLimit } from "@api/billingControls";
import type { ApiSubjectV0 } from "@api/customers/apiSubjectV0";
import { apiSubjectToSpendLimit } from "@api/customers/utils/apiSubjectToSpendLimit";
import type { Feature } from "@models/featureModels/featureModels";
import { sumValues } from "@utils/utils";
import { Decimal } from "decimal.js";
import type { ApiBalanceBreakdownV1, ApiBalanceV1 } from "../../apiBalanceV1";
import { apiBalanceV1ToOverage } from "./apiBalanceV1ToOverage";
export const apiBalanceBreakdownV1ToMaxOverage = ({
apiBalanceBreakdown,
}: {
apiBalanceBreakdown: ApiBalanceBreakdownV1;
}): number | undefined => {
if (apiBalanceBreakdown.price?.billing_method === "usage_based") {
return apiBalanceBreakdown.price?.max_purchase ?? undefined;
}
return undefined;
};
export const apiBalanceV1ToMaxOverage = ({
apiBalance,
}: {
apiBalance: ApiBalanceV1;
}): number | undefined => {
const breakdownItems = apiBalance.breakdown ?? [];
const availableOverages = breakdownItems.map((item) =>
apiBalanceBreakdownV1ToMaxOverage({ apiBalanceBreakdown: item }),
);
if (availableOverages.some((overage) => overage === undefined)) {
return undefined;
}
return sumValues(
availableOverages.filter((overage) => overage !== undefined),
);
};
export type AvailableOverageResult = {
availableOverage: number | undefined;
reason?: "spend_limit" | "max_purchase";
};
export const apiBalanceV1ToAvailableOverage = ({
apiBalance,
apiSubject,
feature,
}: {
apiBalance: ApiBalanceV1;
apiSubject: ApiSubjectV0;
feature: Feature;
}): AvailableOverageResult => {
const overage = apiBalanceV1ToOverage({ apiBalance });
const spendLimit: ApiSpendLimit | undefined = apiSubject
? apiSubjectToSpendLimit({
subject: apiSubject,
feature,
})
: undefined;
if (spendLimit?.overage_limit !== undefined) {
return {
availableOverage: Math.max(
0,
new Decimal(spendLimit.overage_limit).sub(overage).toNumber(),
),
reason: "spend_limit",
};
}
const maxOverage = apiBalanceV1ToMaxOverage({ apiBalance });
if (maxOverage === undefined) {
return { availableOverage: undefined };
}
return {
availableOverage: Math.max(
0,
new Decimal(maxOverage).sub(overage).toNumber(),
),
reason: "max_purchase",
};
};