Claude
44e79e657f
Full-stack German accounting & invoice management web application: - Multi-company management (Mandantenverwaltung) with full CRUD - Invoice creation with dynamic line items and automatic tax calculation - Sequential invoice numbering per company (RE-2024-001 format) - §14 UStG compliant PDF invoice generation via @react-pdf/renderer - Customer management (Kundenverwaltung) per company - Tax reports: quarterly USt-Voranmeldung and monthly revenue overview - Email/password authentication via NextAuth.js v5 - Responsive, modern UI with Tailwind CSS and custom shadcn/ui components - Prisma v5 ORM with MySQL/MariaDB schema + demo seed data Stack: Next.js 14 (App Router) · TypeScript · Prisma/MySQL · NextAuth.js https://claude.ai/code/session_01FN53KKxo5ebrGwqFhxzkT9
58 lines
2.1 KiB
TypeScript
58 lines
2.1 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { auth } from "@/lib/auth";
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import prisma from "@/lib/prisma";
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import { InvoiceStatus } from "@prisma/client";
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import { z } from "zod";
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async function getInvoice(id: string, userId: string) {
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return prisma.invoice.findFirst({
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where: { id, company: { userId } },
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include: {
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items: { orderBy: { position: "asc" } },
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customer: true,
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company: true,
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},
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});
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}
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export async function GET(_req: NextRequest, { params }: { params: Promise<{ id: string }> }) {
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const session = await auth();
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if (!session?.user?.id) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
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const { id } = await params;
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const invoice = await getInvoice(id, session.user.id);
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if (!invoice) return NextResponse.json({ error: "Not found" }, { status: 404 });
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return NextResponse.json(invoice);
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}
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const statusSchema = z.object({
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status: z.nativeEnum(InvoiceStatus),
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});
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export async function PATCH(req: NextRequest, { params }: { params: Promise<{ id: string }> }) {
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const session = await auth();
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if (!session?.user?.id) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
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const { id } = await params;
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const invoice = await getInvoice(id, session.user.id);
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if (!invoice) return NextResponse.json({ error: "Not found" }, { status: 404 });
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const body = await req.json();
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const parsed = statusSchema.safeParse(body);
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if (!parsed.success) return NextResponse.json({ error: parsed.error.issues }, { status: 400 });
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const updated = await prisma.invoice.update({
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where: { id },
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data: { status: parsed.data.status },
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});
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return NextResponse.json(updated);
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}
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export async function DELETE(_req: NextRequest, { params }: { params: Promise<{ id: string }> }) {
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const session = await auth();
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if (!session?.user?.id) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
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const { id } = await params;
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const invoice = await getInvoice(id, session.user.id);
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if (!invoice) return NextResponse.json({ error: "Not found" }, { status: 404 });
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await prisma.invoice.delete({ where: { id } });
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return NextResponse.json({ ok: true });
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}
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