forked from crowetic/commerce
106 lines
2.5 KiB
JavaScript
106 lines
2.5 KiB
JavaScript
import { useState, useCallback } from 'react'
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import useSWR, { mutate } from 'swr'
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async function getText(res) {
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try {
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return (await res.text()) || res.statusText
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} catch (error) {
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return res.statusText
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}
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}
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async function getError(res) {
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if (res.headers.get('Content-Type')?.includes('application/json')) {
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const data = await res.json()
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return data.errors[0]
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}
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return { message: await getText(res) }
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}
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async function fetcher(url) {
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const res = await fetch(url)
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if (res.status === 200) {
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return res.json()
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}
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throw await getError(res)
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}
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export function useCart() {
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return useSWR('/api/cart', fetcher)
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}
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export function useAddToCart() {
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const [{ addingToCart, error }, setStatus] = useState({
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addingToCart: false,
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})
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const addToCart = useCallback(async ({ product }) => {
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setStatus({ addingToCart: true })
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const res = await fetch('/api/cart', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({ product }),
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})
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// Product added as expected
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if (res.status === 200) {
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setStatus({ addingToCart: false })
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return mutate('/api/cart')
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}
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const error = await getError(res)
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console.error('Adding product to cart failed with:', res.status, error)
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setStatus({ addingToCart: false, error })
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}, [])
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return { addToCart, addingToCart, error }
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}
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export function useUpdateCart() {
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const [{ updatingCart, error }, setStatus] = useState({
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updatingCart: false,
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})
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const updateCart = useCallback(async ({ product, item }) => {
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setStatus({ updatingCart: true })
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const res = await fetch(
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`/api/cart?itemId=${item.id}`,
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product.quantity < 1
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? { method: 'DELETE' }
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: {
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method: 'PUT',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({ product }),
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}
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)
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// Product updated as expected
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if (res.status === 200) {
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setStatus({ updatingCart: false })
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return mutate('/api/cart')
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}
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const error = await getError(res)
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console.error('Update to cart failed with:', res.status, error)
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setStatus({ updatingCart: false, error })
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}, [])
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return { updateCart, updatingCart, error }
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}
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export function useRemoveFromCart() {
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const { updateCart, updatingCart, error } = useUpdateCart()
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const removeFromCart = async ({ item }) => {
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updateCart({ item, product: { quantity: 0 } })
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}
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return { removeFromCart, removingFromCart: updatingCart, error }
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}
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