CreatePurchaseOrderPage.tsx
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import { useEffect, useState, type FormEvent } from 'react'
import { useNavigate } from 'react-router-dom'
import { catalog, partners, purchaseOrders } from '@/api/client'
import type { Item, Partner } from '@/types/api'
import { PageHeader } from '@/components/PageHeader'
import { ErrorBox } from '@/components/ErrorBox'
interface LineInput {
itemCode: string
quantity: string
unitPrice: string
}
export function CreatePurchaseOrderPage() {
const navigate = useNavigate()
const [code, setCode] = useState('')
const [partnerCode, setPartnerCode] = useState('')
const [expectedDate, setExpectedDate] = useState('')
const [currencyCode] = useState('USD')
const [lines, setLines] = useState<LineInput[]>([{ itemCode: '', quantity: '', unitPrice: '' }])
const [items, setItems] = useState<Item[]>([])
const [supplierList, setSupplierList] = useState<Partner[]>([])
const [submitting, setSubmitting] = useState(false)
const [error, setError] = useState<Error | null>(null)
useEffect(() => {
Promise.all([catalog.listItems(), partners.list()]).then(([i, p]) => {
setItems(i)
const suppliers = p.filter((x) => x.type === 'SUPPLIER' || x.type === 'BOTH')
setSupplierList(suppliers)
if (suppliers.length > 0 && !partnerCode) setPartnerCode(suppliers[0].code)
})
}, []) // eslint-disable-line react-hooks/exhaustive-deps
const addLine = () =>
setLines([...lines, { itemCode: items[0]?.code ?? '', quantity: '1', unitPrice: '1.00' }])
const removeLine = (idx: number) => {
if (lines.length <= 1) return
setLines(lines.filter((_, i) => i !== idx))
}
const updateLine = (idx: number, field: keyof LineInput, value: string) => {
const next = [...lines]
next[idx] = { ...next[idx], [field]: value }
setLines(next)
}
const onSubmit = async (e: FormEvent) => {
e.preventDefault()
setError(null)
setSubmitting(true)
try {
const created = await purchaseOrders.create({
code, partnerCode, currencyCode,
orderDate: new Date().toISOString().slice(0, 10),
expectedDate: expectedDate || null,
lines: lines.map((l, i) => ({
lineNo: i + 1,
itemCode: l.itemCode,
quantity: Number(l.quantity),
unitPrice: Number(l.unitPrice),
currencyCode,
})),
})
navigate(`/purchase-orders/${created.id}`)
} catch (err: unknown) {
setError(err instanceof Error ? err : new Error(String(err)))
} finally {
setSubmitting(false)
}
}
return (
<div>
<PageHeader
title="New Purchase Order"
subtitle="Order materials from a supplier. Confirm and receive to credit inventory."
actions={<button className="btn-secondary" onClick={() => navigate('/purchase-orders')}>Cancel</button>}
/>
<form onSubmit={onSubmit} className="card p-6 space-y-5 max-w-3xl">
<div className="grid grid-cols-1 gap-4 sm:grid-cols-3">
<div>
<label className="block text-sm font-medium text-slate-700">Order code</label>
<input type="text" required value={code} onChange={(e) => setCode(e.target.value)}
placeholder="PO-2026-0002" className="mt-1 w-full rounded-md border border-slate-300 px-3 py-2 text-sm" />
</div>
<div>
<label className="block text-sm font-medium text-slate-700">Supplier</label>
<select required value={partnerCode} onChange={(e) => setPartnerCode(e.target.value)}
className="mt-1 w-full rounded-md border border-slate-300 px-3 py-2 text-sm">
{supplierList.map((p) => (
<option key={p.id} value={p.code}>{p.code} — {p.name}</option>
))}
</select>
</div>
<div>
<label className="block text-sm font-medium text-slate-700">Expected date</label>
<input type="date" value={expectedDate} onChange={(e) => setExpectedDate(e.target.value)}
className="mt-1 w-full rounded-md border border-slate-300 px-3 py-2 text-sm" />
</div>
</div>
<div>
<div className="flex items-center justify-between mb-2">
<label className="text-sm font-medium text-slate-700">Order lines</label>
<button type="button" className="btn-secondary text-xs" onClick={addLine}>+ Add line</button>
</div>
<div className="space-y-2">
{lines.map((line, idx) => (
<div key={idx} className="flex items-center gap-2">
<span className="w-6 text-xs text-slate-400 text-right">{idx + 1}</span>
<select value={line.itemCode} onChange={(e) => updateLine(idx, 'itemCode', e.target.value)}
className="flex-1 rounded-md border border-slate-300 px-2 py-1.5 text-sm">
<option value="">Select item...</option>
{items.map((it) => <option key={it.id} value={it.code}>{it.code} — {it.name}</option>)}
</select>
<input type="number" min="1" step="1" placeholder="Qty" value={line.quantity}
onChange={(e) => updateLine(idx, 'quantity', e.target.value)}
className="w-20 rounded-md border border-slate-300 px-2 py-1.5 text-sm text-right" />
<input type="number" min="0" step="0.01" placeholder="Price" value={line.unitPrice}
onChange={(e) => updateLine(idx, 'unitPrice', e.target.value)}
className="w-24 rounded-md border border-slate-300 px-2 py-1.5 text-sm text-right" />
<button type="button" className="text-slate-400 hover:text-rose-500"
onClick={() => removeLine(idx)} title="Remove line">×</button>
</div>
))}
</div>
</div>
{error && <ErrorBox error={error} />}
<button type="submit" className="btn-primary" disabled={submitting}>
{submitting ? 'Creating...' : 'Create Purchase Order'}
</button>
</form>
</div>
)
}