forked from crowetic/commerce
60 lines
1.5 KiB
TypeScript
60 lines
1.5 KiB
TypeScript
import type { MutationHook } from '@commerce/utils/types'
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import { CommerceError } from '@commerce/utils/errors'
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import useAddItem, { UseAddItem } from '@commerce/cart/use-add-item'
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import useCart from './use-cart'
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import { Cart, CartItemBody } from '../types'
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import { checkoutToCart } from './utils'
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import { getCheckoutId } from '../utils'
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import { useCallback } from 'react'
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export default useAddItem as UseAddItem<typeof handler>
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export const handler: MutationHook<Cart, {}, CartItemBody> = {
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fetchOptions: {
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query: 'cart',
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method: 'addItem',
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},
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async fetcher({ input: item, options, fetch }) {
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if (
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item.quantity &&
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(!Number.isInteger(item.quantity) || item.quantity! < 1)
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) {
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throw new CommerceError({
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message: 'The item quantity has to be a valid integer greater than 0',
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})
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}
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const variables: {
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product_id: string
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variant_id?: string
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checkoutId?: string
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quantity?: number
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} = {
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checkoutId: getCheckoutId(),
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product_id: item.productId,
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quantity: item.quantity,
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}
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if (item.productId !== item.variantId) {
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variables.variant_id = item.variantId
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}
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const response = await fetch({
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...options,
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variables,
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})
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return checkoutToCart(response) as any
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},
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useHook: ({ fetch }) => () => {
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const { mutate } = useCart()
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return useCallback(
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async function addItem(input) {
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const data = await fetch({ input })
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await mutate(data, false)
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return data
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},
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[fetch, mutate]
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)
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},
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}
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