@shopgate/pwa-common-commerce/cart/actions/fetchCart.js

Commerce library for the Shopgate Connect PWA.

import PipelineRequest from'@shopgate/pwa-core/classes/PipelineRequest';import{PROCESS_LAST}from'@shopgate/pwa-core/constants/ProcessTypes';import{mutable}from'@shopgate/pwa-common/helpers/redux';import{PIPELINES}from'@shopgate/pwa-common/constants/Configuration';import configuration from'@shopgate/pwa-common/collections/Configuration';import{SHOPGATE_CART_GET_CART}from"../constants/Pipelines";import receiveCart from"../action-creators/receiveCart";import requestCart from"../action-creators/requestCart";import errorCart from"../action-creators/errorCart";import{getIsFetching}from"../selectors/index";/**
 * Get the current cart of the user. The promise resolves with "undefined" when the fetch was
 * blocked by a dependency.
 * @return {Function} A redux thunk.
 */function fetchCart(){return function(dispatch,getState){var _configuration$get=configuration.get(PIPELINES,{}),_configuration$get$SH=_configuration$get[SHOPGATE_CART_GET_CART],pipeline=_configuration$get$SH===void 0?SHOPGATE_CART_GET_CART:_configuration$get$SH;var request=new PipelineRequest(pipeline).setResponseProcessed(PROCESS_LAST);/**
     * To avoid unnecessarily dispatched getCart requests, the request is only sent when
     * no cart modifying requests are currently running.
     * If any of the dependencies change the cart, they need to fetch the new data afterwards.
     * The getCart action is not a dependency to itself, so sending out a getCart while another one
     * is running is a valid case, because this pipeline is set up to process the last result only!
     */if(request.hasRunningDependencies()){return Promise.resolve(null);}dispatch(requestCart());var promise=request.dispatch();promise.then(function(response){/**
         * Dispatch "receiveCart" only when the cart is still
         * fetching (in case of stacked fetch calls)
         */if(getIsFetching(getState())){dispatch(receiveCart(response));}})["catch"](function(error){if(error){// Post only one error in a group of possibly multiple requests being rejected at once
if(!getIsFetching(getState())){return;}// Check if we have an error (no error means an outdated request has been rejected).
dispatch(errorCart());}});return promise;};}/** @mixes {MutableFunction} */export default mutable(fetchCart);