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33 lines
1.0 KiB
JavaScript
33 lines
1.0 KiB
JavaScript
import moment from 'moment';
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const DEFAULT_REMAINING_DAYS = 30;
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const DEFAULT_REMAINING_DAYS_FOR_GROUP_PLAN = 2;
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/**
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* paymentsApiConstants is provided as parameter because of a dependency cycle
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* with subscriptions api which will occur if api.constants would be used directly
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*/
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export function calculateSubscriptionTerminationDate (
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nextBill, purchasedPlan, paymentsApiConstants,
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) {
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const defaultRemainingDays = (
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purchasedPlan.customerId === paymentsApiConstants.GROUP_PLAN_CUSTOMER_ID
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) ? DEFAULT_REMAINING_DAYS_FOR_GROUP_PLAN
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: DEFAULT_REMAINING_DAYS;
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const now = moment();
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const remaining = nextBill
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? moment(nextBill).diff(new Date(), 'days', true)
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: defaultRemainingDays;
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const extraMonths = Math.max(purchasedPlan.extraMonths, 0);
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const extraDays = Math.ceil(30.5 * extraMonths);
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const nowStr = `${now.format('MM')}/${now.format('DD')}/${now.format('YYYY')}`;
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const nowStrFormat = 'MM/DD/YYYY';
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return moment(nowStr, nowStrFormat)
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.add({ days: remaining })
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.add({ days: extraDays })
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.toDate();
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}
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