@shopgate/pwa-common-commerce/filter/subscriptions/index.js

Commerce library for the Shopgate Connect PWA.

import { router } from '@shopgate/pwa-common/helpers/router';
import { hex2bin } from '@shopgate/pwa-common/helpers/data';
import { buildFilterParamsForFetchFiltersRequest } from '@shopgate/engage/filter/helpers';
import { CATEGORY_ALL_FILTER_PATTERN } from "../../category/constants";
import fetchCategory from "../../category/actions/fetchCategory";
import { getShowAllProductsFilters } from "../../category/helpers";
import fetchFilters from "../actions/fetchFilters";
import { filterDidEnter$ } from "../streams";

/**
 * Filters subscriptions.
 * @param {Function} subscribe The subscribe function.
 */
export default function filters(subscribe) {
  subscribe(filterDidEnter$, async ({
    dispatch,
    action
  }) => {
    let {
      filters: routeFilters
    } = action?.route?.state || {};
    if (action?.route?.pattern === CATEGORY_ALL_FILTER_PATTERN) {
      if (!routeFilters) {
        const category = await dispatch(fetchCategory(hex2bin(action.route.params.categoryId)));
        routeFilters = getShowAllProductsFilters(category);
        router.update(action.route.id, {
          filters: routeFilters,
          categoryName: category.name
        });
      }
    }
    dispatch(fetchFilters({
      filters: buildFilterParamsForFetchFiltersRequest(routeFilters)
    }));
  });
}