96 lines
2.7 KiB
TypeScript
96 lines
2.7 KiB
TypeScript
/**
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* External dependencies
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*/
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import { useState, useEffect, useRef } from '@wordpress/element';
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import { useDispatch } from '@wordpress/data';
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import { CART_STORE_KEY as storeKey } from '@woocommerce/block-data';
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import { decodeEntities } from '@wordpress/html-entities';
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import type { CartItem } from '@woocommerce/types';
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/**
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* Internal dependencies
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*/
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import { useStoreCart } from './cart/use-store-cart';
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/**
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* @typedef {import('@woocommerce/type-defs/hooks').StoreCartItemAddToCart} StoreCartItemAddToCart
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*/
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interface StoreAddToCart {
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cartQuantity: number;
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addingToCart: boolean;
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cartIsLoading: boolean;
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addToCart: ( quantity?: number ) => Promise< boolean >;
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}
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/**
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* Get the quantity of a product in the cart.
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*
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* @param {Object} cartItems Array of items.
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* @param {number} productId The product id to look for.
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* @return {number} Quantity in the cart.
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*/
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const getQuantityFromCartItems = (
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cartItems: Array< CartItem >,
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productId: number
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): number => {
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const productItem = cartItems.find( ( { id } ) => id === productId );
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return productItem ? productItem.quantity : 0;
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};
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/**
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* A custom hook for exposing cart related data for a given product id and an
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* action for adding a single quantity of the product _to_ the cart.
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*
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*
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* @param {number} productId The product id to be added to the cart.
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*
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* @return {StoreCartItemAddToCart} An object exposing data and actions relating
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* to add to cart functionality.
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*/
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export const useStoreAddToCart = ( productId: number ): StoreAddToCart => {
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const { addItemToCart } = useDispatch( storeKey );
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const { cartItems, cartIsLoading } = useStoreCart();
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const { createErrorNotice, removeNotice } = useDispatch( 'core/notices' );
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const [ addingToCart, setAddingToCart ] = useState( false );
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const currentCartItemQuantity = useRef(
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getQuantityFromCartItems( cartItems, productId )
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);
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const addToCart = ( quantity = 1 ) => {
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setAddingToCart( true );
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return addItemToCart( productId, quantity )
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.then( () => {
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removeNotice( 'add-to-cart' );
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} )
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.catch( ( error ) => {
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createErrorNotice( decodeEntities( error.message ), {
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id: 'add-to-cart',
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context: 'wc/all-products',
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isDismissible: true,
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} );
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} )
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.finally( () => {
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setAddingToCart( false );
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} );
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};
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useEffect( () => {
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const quantity = getQuantityFromCartItems( cartItems, productId );
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if ( quantity !== currentCartItemQuantity.current ) {
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currentCartItemQuantity.current = quantity;
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}
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}, [ cartItems, productId ] );
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return {
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cartQuantity: Number.isFinite( currentCartItemQuantity.current )
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? currentCartItemQuantity.current
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: 0,
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addingToCart,
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cartIsLoading,
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addToCart,
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};
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};
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