@unchainedshop/plugins/lib/pricing/discount-half-price.js

Official plugin collection for the Unchained Engine with payment, delivery, and pricing adapters

import { OrderDiscountDirector, OrderDiscountAdapter, } from '@unchainedshop/core';
export const HalfPrice = {
    ...OrderDiscountAdapter,
    key: 'shop.unchained.discount.half-price',
    label: 'Half Price',
    version: '1.0.0',
    orderIndex: 10,
    isManualAdditionAllowed: async () => {
        return false;
    },
    isManualRemovalAllowed: async () => {
        return false;
    },
    actions: async ({ context }) => ({
        ...(await OrderDiscountAdapter.actions({ context })),
        isValidForSystemTriggering: async () => {
            const { order } = context;
            const user = await context.modules.users.findUserById(order.userId);
            const isUserEligibleForHalfPrice = user?.tags && user.tags.indexOf('half-price') !== -1;
            return !!isUserEligibleForHalfPrice;
        },
        isValidForCodeTriggering: async () => {
            return false;
        },
        discountForPricingAdapterKey({ pricingAdapterKey }) {
            if (pricingAdapterKey === 'shop.unchained.pricing.product-discount') {
                return { rate: 0.5 };
            }
            return null;
        },
    }),
};
OrderDiscountDirector.registerAdapter(HalfPrice);