feat(pos): add point of sale UI

- Add ProductGrid component with category filters and search
- Add Cart component with quantity controls and totals
- Add PaymentDialog with cash/card/transfer payment methods
- Add CashRegisterStatus for opening/closing register
- Add POS page with 70/30 layout (products/cart)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Ivan
2026-02-01 07:03:59 +00:00
parent cca3b50a6d
commit 422f5c4f29
6 changed files with 1442 additions and 0 deletions

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"use client";
import { useState, useEffect, useCallback } from "react";
import { Button } from "@/components/ui/button";
import { Card, CardContent } from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { formatCurrency, cn } from "@/lib/utils";
interface CashRegister {
id: string;
openingAmount: number;
closedAt: string | null;
openedAt: string;
site: {
id: string;
name: string;
};
user: {
id: string;
firstName: string;
lastName: string;
};
_count: {
sales: number;
payments: number;
};
paymentBreakdown?: Record<string, number>;
totalCashSales?: number;
expectedAmount?: number;
}
interface CashRegisterStatusProps {
siteId: string;
onRegisterStatusChange: (isOpen: boolean, registerId?: string) => void;
}
export function CashRegisterStatus({
siteId,
onRegisterStatusChange,
}: CashRegisterStatusProps) {
const [register, setRegister] = useState<CashRegister | null>(null);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const [showOpenDialog, setShowOpenDialog] = useState(false);
const [showCloseDialog, setShowCloseDialog] = useState(false);
const [openingAmount, setOpeningAmount] = useState<string>("0");
const [closingAmount, setClosingAmount] = useState<string>("");
const [closingNotes, setClosingNotes] = useState<string>("");
const [actionLoading, setActionLoading] = useState(false);
// Fetch current register status
const fetchRegisterStatus = useCallback(async () => {
setLoading(true);
setError(null);
try {
const response = await fetch(
`/api/cash-register?siteId=${siteId}&status=open`
);
if (!response.ok) {
throw new Error("Error al verificar estado de caja");
}
const data = await response.json();
setRegister(data);
onRegisterStatusChange(!!data, data?.id);
} catch (err) {
setError(err instanceof Error ? err.message : "Error desconocido");
onRegisterStatusChange(false);
} finally {
setLoading(false);
}
}, [siteId, onRegisterStatusChange]);
useEffect(() => {
fetchRegisterStatus();
}, [fetchRegisterStatus]);
const handleOpenRegister = async () => {
setActionLoading(true);
setError(null);
try {
const response = await fetch("/api/cash-register", {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
siteId,
openingAmount: parseFloat(openingAmount) || 0,
}),
});
if (!response.ok) {
const errorData = await response.json();
throw new Error(errorData.error || "Error al abrir caja");
}
setShowOpenDialog(false);
setOpeningAmount("0");
await fetchRegisterStatus();
} catch (err) {
setError(err instanceof Error ? err.message : "Error desconocido");
} finally {
setActionLoading(false);
}
};
const handleCloseRegister = async () => {
if (!register) return;
setActionLoading(true);
setError(null);
try {
const response = await fetch(`/api/cash-register/${register.id}`, {
method: "PUT",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
closingAmount: parseFloat(closingAmount) || 0,
notes: closingNotes || undefined,
}),
});
if (!response.ok) {
const errorData = await response.json();
throw new Error(errorData.error || "Error al cerrar caja");
}
setShowCloseDialog(false);
setClosingAmount("");
setClosingNotes("");
await fetchRegisterStatus();
} catch (err) {
setError(err instanceof Error ? err.message : "Error desconocido");
} finally {
setActionLoading(false);
}
};
// Loading state
if (loading) {
return (
<Card className="mb-4">
<CardContent className="p-4">
<div className="flex items-center gap-3">
<div className="animate-spin rounded-full h-5 w-5 border-b-2 border-primary"></div>
<span className="text-primary-500">Verificando estado de caja...</span>
</div>
</CardContent>
</Card>
);
}
// Open Register Dialog
if (showOpenDialog) {
return (
<Card className="mb-4">
<CardContent className="p-6">
<h3 className="text-lg font-semibold text-primary-800 mb-4">
Abrir Caja
</h3>
<div className="space-y-4">
<div>
<label className="text-sm font-medium text-primary-700 block mb-2">
Monto inicial en caja
</label>
<Input
type="number"
placeholder="0.00"
value={openingAmount}
onChange={(e) => setOpeningAmount(e.target.value)}
min={0}
step={0.01}
disabled={actionLoading}
/>
</div>
{error && (
<div className="p-3 rounded-lg bg-red-50 text-red-700 text-sm">
{error}
</div>
)}
<div className="flex gap-2">
<Button
variant="outline"
className="flex-1"
onClick={() => {
setShowOpenDialog(false);
setError(null);
}}
disabled={actionLoading}
>
Cancelar
</Button>
<Button
className="flex-1"
onClick={handleOpenRegister}
disabled={actionLoading}
>
{actionLoading ? "Abriendo..." : "Abrir Caja"}
</Button>
</div>
</div>
</CardContent>
</Card>
);
}
// Close Register Dialog
if (showCloseDialog && register) {
const expectedAmount = register.expectedAmount || 0;
const closingValue = parseFloat(closingAmount) || 0;
const difference = closingValue - expectedAmount;
return (
<Card className="mb-4">
<CardContent className="p-6">
<h3 className="text-lg font-semibold text-primary-800 mb-4">
Cerrar Caja
</h3>
<div className="space-y-4">
{/* Expected Amount */}
<div className="p-3 bg-primary-50 rounded-lg">
<p className="text-sm text-primary-500">Monto esperado en caja</p>
<p className="text-xl font-bold text-primary-800">
{formatCurrency(expectedAmount)}
</p>
<p className="text-xs text-primary-400 mt-1">
Apertura: {formatCurrency(Number(register.openingAmount))} + Ventas efectivo:{" "}
{formatCurrency(register.totalCashSales || 0)}
</p>
</div>
{/* Closing Amount Input */}
<div>
<label className="text-sm font-medium text-primary-700 block mb-2">
Monto real en caja
</label>
<Input
type="number"
placeholder="0.00"
value={closingAmount}
onChange={(e) => setClosingAmount(e.target.value)}
min={0}
step={0.01}
disabled={actionLoading}
/>
</div>
{/* Difference Display */}
{closingAmount && (
<div
className={cn(
"p-3 rounded-lg text-center",
difference === 0
? "bg-green-50"
: difference > 0
? "bg-blue-50"
: "bg-red-50"
)}
>
<p
className={cn(
"text-sm",
difference === 0
? "text-green-600"
: difference > 0
? "text-blue-600"
: "text-red-600"
)}
>
{difference === 0
? "Cuadre perfecto"
: difference > 0
? "Sobrante"
: "Faltante"}
</p>
<p
className={cn(
"text-xl font-bold",
difference === 0
? "text-green-700"
: difference > 0
? "text-blue-700"
: "text-red-700"
)}
>
{formatCurrency(Math.abs(difference))}
</p>
</div>
)}
{/* Notes */}
<div>
<label className="text-sm font-medium text-primary-700 block mb-2">
Notas (opcional)
</label>
<Input
type="text"
placeholder="Observaciones del cierre"
value={closingNotes}
onChange={(e) => setClosingNotes(e.target.value)}
disabled={actionLoading}
/>
</div>
{error && (
<div className="p-3 rounded-lg bg-red-50 text-red-700 text-sm">
{error}
</div>
)}
<div className="flex gap-2">
<Button
variant="outline"
className="flex-1"
onClick={() => {
setShowCloseDialog(false);
setError(null);
}}
disabled={actionLoading}
>
Cancelar
</Button>
<Button
className="flex-1"
onClick={handleCloseRegister}
disabled={actionLoading || !closingAmount}
>
{actionLoading ? "Cerrando..." : "Cerrar Caja"}
</Button>
</div>
</div>
</CardContent>
</Card>
);
}
// Register is closed
if (!register) {
return (
<Card className="mb-4 border-amber-300 bg-amber-50">
<CardContent className="p-4">
<div className="flex items-center justify-between">
<div className="flex items-center gap-3">
<div className="w-3 h-3 rounded-full bg-amber-500"></div>
<div>
<p className="font-medium text-amber-800">Caja Cerrada</p>
<p className="text-sm text-amber-600">
Abre la caja para comenzar a vender
</p>
</div>
</div>
<Button onClick={() => setShowOpenDialog(true)}>Abrir Caja</Button>
</div>
{error && (
<div className="mt-3 p-3 rounded-lg bg-red-50 text-red-700 text-sm">
{error}
</div>
)}
</CardContent>
</Card>
);
}
// Register is open
return (
<Card className="mb-4 border-green-300 bg-green-50">
<CardContent className="p-4">
<div className="flex items-center justify-between">
<div className="flex items-center gap-3">
<div className="w-3 h-3 rounded-full bg-green-500 animate-pulse"></div>
<div>
<p className="font-medium text-green-800">Caja Abierta</p>
<p className="text-sm text-green-600">
Por {register.user.firstName} {register.user.lastName}
</p>
</div>
</div>
{/* Current Totals */}
<div className="flex items-center gap-6">
<div className="text-right">
<p className="text-xs text-green-600">Ventas hoy</p>
<p className="font-semibold text-green-800">
{register._count.sales}
</p>
</div>
<div className="text-right">
<p className="text-xs text-green-600">Efectivo esperado</p>
<p className="font-semibold text-green-800">
{formatCurrency(register.expectedAmount || 0)}
</p>
</div>
<Button variant="outline" onClick={() => setShowCloseDialog(true)}>
Cerrar Caja
</Button>
</div>
</div>
{/* Payment Breakdown */}
{register.paymentBreakdown &&
Object.keys(register.paymentBreakdown).length > 0 && (
<div className="mt-3 pt-3 border-t border-green-200 flex gap-4">
{register.paymentBreakdown.CASH !== undefined && (
<span className="text-sm text-green-700">
Efectivo: {formatCurrency(register.paymentBreakdown.CASH)}
</span>
)}
{register.paymentBreakdown.CARD !== undefined && (
<span className="text-sm text-green-700">
Tarjeta: {formatCurrency(register.paymentBreakdown.CARD)}
</span>
)}
{register.paymentBreakdown.TRANSFER !== undefined && (
<span className="text-sm text-green-700">
Transferencia:{" "}
{formatCurrency(register.paymentBreakdown.TRANSFER)}
</span>
)}
</div>
)}
{error && (
<div className="mt-3 p-3 rounded-lg bg-red-50 text-red-700 text-sm">
{error}
</div>
)}
</CardContent>
</Card>
);
}