@unchainedshop/plugins/lib/worker/update-ecb-rates.js

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

import { WorkerAdapter, WorkerDirector, schedule } from '@unchainedshop/core';
import { createLogger } from '@unchainedshop/logger';
const logger = createLogger('unchained:worker:update-ecb-rates');
let xml2json;
try {
    const module = await import('xml-js');
    xml2json = module.xml2json;
}
catch {
    logger.warn(`optional peer npm package 'xml-js' not installed, skipped ECB rate updates`);
}
const getExchangeRates = async () => {
    return fetch(`https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml`, {
        method: 'GET',
    })
        .then((res) => res.text())
        .then((text) => JSON.parse(xml2json(text)))
        .then((json) => json.elements?.[0]?.elements
        .filter((e) => e.name.toLowerCase() === 'cube')[0]
        ?.elements[0]?.elements.map((element) => element.attributes));
};
const everyDayAtFour = schedule.parse.cron('0 15 * * *');
const baseCurrency = 'EUR';
const UpdateECBRates = {
    ...WorkerAdapter,
    key: 'shop.unchained.worker.update-ecb-rates',
    label: 'Update ECB Rates',
    version: '1.0.0',
    type: 'UPDATE_ECB_RATES',
    doWork: async (input, unchainedAPI) => {
        const { modules } = unchainedAPI;
        if (!xml2json) {
            return {
                success: false,
                error: {
                    name: 'XML2JSON_NOT_INSTALLED',
                    message: 'npm dependency xml2json is not installed, please install it to use this worker',
                },
            };
        }
        try {
            const data = await getExchangeRates();
            const timestamp = new Date();
            const expiresAt = new Date(new Date().getTime() + 24 * 60 * 60 * 1000);
            const currencies = await modules.currencies.findCurrencies({ includeInactive: true });
            const currencyCodes = currencies.map((currency) => currency.isoCode);
            if (!currencyCodes.includes(baseCurrency))
                return {
                    success: true,
                    result: {
                        ratesUpdated: 0,
                        info: 'EUR not enabled',
                    },
                };
            const rates = data
                .map((d) => {
                return {
                    baseCurrency,
                    quoteCurrency: d.currency,
                    rate: parseFloat(d.rate),
                    timestamp,
                    expiresAt,
                };
            })
                .filter((rate) => currencyCodes.includes(rate.quoteCurrency) && rate.quoteCurrency !== rate.baseCurrency);
            const success = await modules.products.prices.rates.updateRates(rates);
            return {
                success,
                result: {
                    ratesUpdated: rates.length,
                },
            };
        }
        catch {
            return {
                success: false,
                error: {
                    name: 'UPDATE_ECB_RATES_FAILED',
                    message: 'Updating ECB Rates failed',
                },
            };
        }
    },
};
WorkerDirector.registerAdapter(UpdateECBRates);
if (xml2json) {
    WorkerDirector.configureAutoscheduling({
        type: UpdateECBRates.type,
        schedule: everyDayAtFour,
        retries: 5,
    });
}