66970e5002
refs https://github.com/TryGhost/Team/issues/1726 - updates offer setup to allow new `trial` as discount type, was prev only `fixed` and `percent` - updates offer setup to allow `amount` as free trial days value - updates offer setup to allow `trial` as discount duration value for trial offers, was prev only `once`/`forever`/`repeating`
60 lines
1.8 KiB
JavaScript
60 lines
1.8 KiB
JavaScript
const ValueObject = require('./shared/ValueObject');
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const InvalidOfferDuration = require('../errors').InvalidOfferDuration;
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/**
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* @typedef {object} BasicDuration
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* @prop {'once'|'forever'|'trial'} type
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*/
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/**
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* @typedef {object} RepeatingDuration
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* @prop {'repeating'} type
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* @prop {number} months
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*/
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/**
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* @extends ValueObject<BasicDuration|RepeatingDuration>
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*/
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class OfferDuration extends ValueObject {
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/**
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* @param {unknown} type
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* @param {unknown} months
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*/
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static create(type, months) {
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if (!type || typeof type !== 'string') {
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throw new InvalidOfferDuration({
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message: 'Offer `duration` must be a string.'
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});
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}
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if (type !== 'once' && type !== 'repeating' && type !== 'forever' && type !== 'trial') {
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throw new InvalidOfferDuration({
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message: 'Offer `duration` must be one of "once", "repeating", "forever" or "trial.'
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});
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}
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if (type !== 'repeating') {
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return new OfferDuration({type});
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}
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if (typeof months !== 'number') {
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throw new InvalidOfferDuration({
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message: 'Offer `duration` must have include `duration_in_months` when "repeating".'
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});
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}
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if (!Number.isInteger(months)) {
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throw new InvalidOfferDuration({
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message: 'Offer `duration_in_months` must be an integer greater than 0.'
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});
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}
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if (months < 1) {
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throw new InvalidOfferDuration({
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message: 'Offer `duration_in_months` must be an integer greater than 0.'
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});
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}
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return new OfferDuration({type, months});
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}
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static InvalidOfferDuration = InvalidOfferDuration;
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}
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module.exports = OfferDuration;
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