@shopgate/pwa-common-commerce/product/actions/fetchProductVariants.js

Commerce library for the Shopgate Connect PWA.

import PipelineRequest from '@shopgate/pwa-core/classes/PipelineRequest';
import { shouldFetchData, mutable } from '@shopgate/pwa-common/helpers/redux';
import requestProductVariants from "../action-creators/requestProductVariants";
import { SHOPGATE_CATALOG_GET_PRODUCT_VARIANTS } from "../constants/Pipelines";
import receiveProductVariants from "../action-creators/receiveProductVariants";
import errorProductVariants from "../action-creators/errorProductVariants";

/**
 * Retrieves product variants from store.
 * @param {string} productId The product ID for which the product variants are requested.
 * @return {Function} A Redux Thunk
 */
function fetchProductVariants(productId) {
  return (dispatch, getState) => {
    const state = getState();
    const cachedData = state.product.variantsByProductId[productId];
    if (!shouldFetchData(cachedData)) {
      return Promise.resolve(null);
    }
    dispatch(requestProductVariants(productId));
    const request = new PipelineRequest(SHOPGATE_CATALOG_GET_PRODUCT_VARIANTS).setInput({
      productId
    }).dispatch();
    request.then(result => {
      dispatch(receiveProductVariants(productId, result));
    }).catch(error => {
      dispatch(errorProductVariants(productId, error.code));
    });
    return request;
  };
}

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