@shopgate/engage/locations/actions/fetchInventories.js

Shopgate's ENGAGE library.

import { logger } from '@shopgate/pwa-core/helpers';
import PipelineRequest from '@shopgate/pwa-core/classes/PipelineRequest';
import { mutable } from '@shopgate/pwa-common/helpers/redux';
import { requestInventories, receiveInventories, errorInventories } from "../action-creators";
import { SHOPGATE_STOREFRONT_GET_INVENTORIES } from "../constants";
import { getPreferredLocation } from "../selectors";

/**
 * Fetches location inventory for a list of products.
 * @param {string[]} productCodes The product IDs to fetch inventories for.
 * @param {string} [locationCode] A location code
 * @returns {Function} A redux thunk.
 */
function fetchInventories(productCodes, locationCode = null) {
  return (dispatch, getState) => {
    if (!productCodes || !productCodes.length) {
      return undefined;
    }
    const state = getState();
    const locationFilter = locationCode || getPreferredLocation(state)?.code;
    if (!locationFilter) {
      return undefined;
    }
    const filters = {
      products: productCodes.map(productCode => ({
        productCode,
        locationCode: locationFilter
      }))
    };
    dispatch(requestInventories(productCodes, filters.locationCodes));
    const request = new PipelineRequest(SHOPGATE_STOREFRONT_GET_INVENTORIES).setInput(filters).dispatch();
    request.then(result => {
      dispatch(receiveInventories(result.productInventories));
    }).catch(error => {
      logger.error(error);
      dispatch(errorInventories(productCodes, error));
    });
    return request;
  };
}

/** @mixes {MutableFunction} */
export default mutable(fetchInventories);