142 lines
2.9 KiB
JavaScript
142 lines
2.9 KiB
JavaScript
/**
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* External dependencies
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*/
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import { camelCase, mapKeys } from 'lodash';
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/**
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* Internal dependencies
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*/
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import { ACTION_TYPES as types } from './action-types';
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/**
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* Sub-reducer for cart items array.
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*
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* @param {Array} state cartData.items state slice.
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* @param {Object} action Action object.
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*/
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const cartItemsReducer = ( state = [], action ) => {
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switch ( action.type ) {
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case types.RECEIVE_CART_ITEM:
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// Replace specified cart element with the new data from server.
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return state.map( ( cartItem ) => {
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if ( cartItem.key === action.cartItem.key ) {
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return action.cartItem;
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}
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return cartItem;
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} );
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case types.RECEIVE_REMOVED_ITEM:
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return state.filter( ( cartItem ) => {
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return cartItem.key !== action.cartItemKey;
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} );
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}
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return state;
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};
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/**
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* Reducer for receiving items related to the cart.
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*
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* @param {Object} state The current state in the store.
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* @param {Object} action Action object.
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*
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* @return {Object} New or existing state.
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*/
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const reducer = (
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state = {
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cartItemsQuantityPending: [],
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cartData: {
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coupons: [],
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shippingRates: [],
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items: [],
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itemsCount: 0,
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itemsWeight: 0,
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needsShipping: true,
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totals: {},
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},
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metaData: {},
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errors: [],
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},
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action
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) => {
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switch ( action.type ) {
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case types.RECEIVE_ERROR:
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state = {
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...state,
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errors: state.errors.concat( action.error ),
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};
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break;
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case types.REPLACE_ERRORS:
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state = {
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...state,
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errors: [ action.error ],
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};
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break;
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case types.RECEIVE_CART:
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state = {
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...state,
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errors: [],
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cartData: mapKeys( action.response, ( _, key ) =>
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camelCase( key )
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),
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};
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break;
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case types.APPLYING_COUPON:
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state = {
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...state,
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metaData: {
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...state.metaData,
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applyingCoupon: action.couponCode,
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},
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};
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break;
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case types.REMOVING_COUPON:
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state = {
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...state,
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metaData: {
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...state.metaData,
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removingCoupon: action.couponCode,
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},
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};
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break;
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case types.ITEM_QUANTITY_PENDING:
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// Remove key by default - handles isQuantityPending==false
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// and prevents duplicates when isQuantityPending===true.
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const newPendingKeys = state.cartItemsQuantityPending.filter(
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( key ) => key !== action.cartItemKey
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);
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if ( action.isQuantityPending ) {
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newPendingKeys.push( action.cartItemKey );
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}
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state = {
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...state,
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cartItemsQuantityPending: newPendingKeys,
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};
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break;
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// Delegate to cartItemsReducer.
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case types.RECEIVE_CART_ITEM:
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case types.RECEIVE_REMOVED_ITEM:
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state = {
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...state,
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cartData: {
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...state.cartData,
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items: cartItemsReducer( state.cartData.items, action ),
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},
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};
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break;
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case types.UPDATING_SHIPPING_ADDRESS:
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state = {
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...state,
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metaData: {
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...state.metaData,
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updatingShipping: action.isResolving,
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},
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};
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break;
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}
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return state;
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};
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export default reducer;
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