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import React from 'react'
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import Router from 'next/router'
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import Link from 'next/link'
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import axios from 'axios'
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import Head from 'next/head'
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import useCart from '~/hooks/useCart'
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import {FormController, Input, Button} from '~/components/form'
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import Table from '~/components/table'
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export default function Cart(){
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const [cart, setCart] = useCart()
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const numItems = (cart?.items) ? cart.items.length : 0
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const allInStock = !cart?.items?.some(item => !item.item.number_in_stock || item.item.number_in_stock < 1)
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const allHaveEnough = !cart?.items?.some(item => item.count > item.item.number_in_stock)
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const handleRemove = id => async ev => {
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if(ev) ev.preventDefault()
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const {data} = await axios.post(`/api/cart/remove/${id}`)
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setCart(data)
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}
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// We can't let the form controller do this as it shouldn't actually pass a body
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const handleCreateTransaction = async () => {
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await axios.put(`/api/orders`)
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Router.push('/store/checkout')
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}
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return (
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<>
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<Head><title>Cart</title></Head>
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<h2>Cart</h2>
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{
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numItems > 0
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?<Table
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columns={[
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{name: 'Item', extractor: row => (
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<>
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<Link href={`/store/item/${row.item.urlslug}`}><a>{row.item.name}</a></Link>
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{(!row.item.number_in_stock || row.item.number_in_stock < 1) && <strong style={{marginLeft: '6px'}}>Out of stock</strong>}
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{(row.item.number_in_stock > 0 && row.count > row.item.number_in_stock) && <strong style={{marginLeft: '6px'}}>Not enough in stock</strong>}
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</>
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)},
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{name: 'Quantity in Cart', extractor: row => row.count},
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{name: 'Price Each', extractor: row => '$' + (row.item.price_cents / 100).toFixed(2)},
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{name: 'Total Price', extractor: row => '$' + (row.count * row.item.price_cents / 100).toFixed(2)},
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{name: '', extractor: row =>
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<button className="buttonLink" onClick={handleRemove(row.item.uuid)}>Remove</button>
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}
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]}
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rows={cart?.items?.map(row=>({
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...row,
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id: row.item.uuid
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}))}
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foot={[
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'Total:',
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cart?.items.map(r=>r.count).reduce((a,b) => (a+b), 0) || 0,
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'',
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'$' + ((cart?.items.map(r=>r.count * r.item.price_cents).reduce((a,b) => (a+b), 0) || 0) / 100).toFixed(2),
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''
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]}
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/>
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// Empty cart table
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:<Table
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columns={[
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{name: 'No items in cart'}
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]}
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foot={[
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'Total:',
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'',
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'',
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'$0.00'
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]}
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/>
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}
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<FormController afterSubmit={handleCreateTransaction}>
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{(()=>{
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if(!(cart?.items?.length))
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return <Button enabled={false} type="submit">No items in cart</Button>
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if(!allInStock)
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return <Button enabled={false} type="submit">Items out of stock</Button>
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if(!allHaveEnough)
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return <Button enabled={false} type="submit">Not enough stock</Button>
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return <Button type="submit">Proceed to Checkout</Button>
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})()}
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</FormController>
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</>
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)
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}
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