@foxy.io/sdk/dist/esm/backend/getNextTransactionDateConstraints.js

Universal SDK for a full server-side and a limited in-browser access to Foxy hAPI.

import { getTimeFromFrequency } from './getTimeFromFrequency.js';
import jsonata from 'jsonata';
/**
 * Finds which next transaction date modification rules are applicable to
 * the given subscription and merges them together.
 *
 * @param data Subscription to generate constraints for.
 * @param rules Next date modification config from the customer portal settings.
 *
 * @returns
 * Returns true if all modifications are allowed, false if next date can't
 * be changed by the customer, object with constraints in any other case.
 */
export function getNextTransactionDateConstraints(data, rules) {
    if (typeof rules === 'boolean')
        return rules;
    const combinedRule = rules
        .filter(rule => Boolean(jsonata(rule.jsonataQuery).evaluate(data)))
        .reduce((result, rule) => {
        var _a, _b, _c, _d, _e;
        if (rule.min) {
            const currentTime = result.min ? getTimeFromFrequency(result.min) : Infinity;
            const proposedTime = getTimeFromFrequency(rule.min);
            if (proposedTime < currentTime)
                result.min = rule.min;
        }
        if (rule.max) {
            const currentTime = result.max ? getTimeFromFrequency(result.max) : -Infinity;
            const proposedTime = getTimeFromFrequency(rule.max);
            if (proposedTime > currentTime)
                result.max = rule.max;
        }
        if (((_a = rule.allowedDays) === null || _a === void 0 ? void 0 : _a.type) === 'day') {
            const previousSet = (_b = result.allowedDaysOfWeek) !== null && _b !== void 0 ? _b : [];
            const expandedSet = [...previousSet, ...rule.allowedDays.days];
            result.allowedDaysOfWeek = Array.from(new Set(expandedSet));
        }
        if (((_c = rule.allowedDays) === null || _c === void 0 ? void 0 : _c.type) === 'month') {
            const previousSet = (_d = result.allowedDaysOfMonth) !== null && _d !== void 0 ? _d : [];
            const expandedSet = [...previousSet, ...rule.allowedDays.days];
            result.allowedDaysOfMonth = Array.from(new Set(expandedSet));
        }
        if (rule.disallowedDates) {
            const previousSet = (_e = result.disallowedDates) !== null && _e !== void 0 ? _e : [];
            const expandedSet = [...previousSet, ...rule.disallowedDates];
            result.disallowedDates = Array.from(new Set(expandedSet));
        }
        return result;
    }, {});
    return Object.keys(combinedRule).length === 0 ? false : combinedRule;
}