Initial commit - ERP System

2026-05-20 18:58:23 +00:00
commit e174936997
2697 changed files with 1628427 additions and 0 deletions
@@ -0,0 +1,16 @@
+import { NextResponse } from 'next/server';
+import { readFile } from 'fs/promises';
+import path from 'path';
+
+export async function GET(request: Request, context: { params: Promise<{ name: string }> }) {
+  try {
+    const { name } = await context.params;
+    const filePath = path.join(process.cwd(), 'uploads', 'products', name);
+    const buffer = await readFile(filePath);
+    const ext = name.split('.').pop()?.toLowerCase();
+    const contentType = ext === 'png' ? 'image/png' : ext === 'webp' ? 'image/webp' : ext === 'gif' ? 'image/gif' : 'image/jpeg';
+    return new NextResponse(buffer, { headers: { 'Content-Type': contentType, 'Cache-Control': 'public, max-age=86400' } });
+  } catch {
+    return NextResponse.json({ error: 'Bild nicht gefunden' }, { status: 404 });
+  }
+}
@@ -0,0 +1,111 @@
+import { NextResponse } from 'next/server';
+import prisma from '../../../lib/prisma';
+import { getServerSession } from "next-auth/next";
+import { authOptions } from "../auth/[...nextauth]/route";
+import { writeFile, mkdir } from 'fs/promises';
+import path from 'path';
+
+async function checkPerm(perm: string) {
+  const session = await getServerSession(authOptions);
+  const perms = (session?.user as any)?.permissions || [];
+  return perms.includes(perm);
+}
+
+export async function GET() {
+  try {
+    const products = await prisma.product.findMany({ orderBy: { name: 'asc' } });
+    return NextResponse.json(products);
+  } catch (error) {
+    return NextResponse.json({ error: 'Ladefehler' }, { status: 500 });
+  }
+}
+
+export async function POST(request: Request) {
+  if (!await checkPerm('PURCHASING_MANAGE')) return NextResponse.json({ error: 'Keine Berechtigung' }, { status: 403 });
+
+  try {
+    const formData = await request.formData();
+    const name = formData.get('name') as string;
+    const description = formData.get('description') as string || '';
+    const sku = formData.get('sku') as string || null;
+    const purchasePrice = parseFloat(formData.get('purchasePrice') as string || '0');
+    const salePrice = parseFloat(formData.get('salePrice') as string || '0');
+    const stock = parseInt(formData.get('stock') as string || '0');
+    const unit = formData.get('unit') as string || 'Stk';
+    const category = formData.get('category') as string || null;
+    const trackStock = formData.get('trackStock') !== 'false';
+    const image = formData.get('image') as File | null;
+
+    let imagePath = null;
+    if (image && image.size > 0) {
+      const uploadDir = path.join(process.cwd(), 'uploads', 'products');
+      await mkdir(uploadDir, { recursive: true });
+      const ext = image.name.split('.').pop();
+      const savedName = `prod_${Date.now()}.${ext}`;
+      const buffer = Buffer.from(await image.arrayBuffer());
+      await writeFile(path.join(uploadDir, savedName), buffer);
+      imagePath = `/api/products/image/${savedName}`;
+    }
+
+    const product = await prisma.product.create({
+      data: { name, description, sku, purchasePrice, salePrice, stock, unit, category, trackStock, imagePath }
+    });
+
+    return NextResponse.json(product, { status: 201 });
+  } catch (error: any) {
+    if (error.code === 'P2002') return NextResponse.json({ error: 'Artikelnummer existiert bereits' }, { status: 400 });
+    console.error(error);
+    return NextResponse.json({ error: 'Fehler beim Erstellen' }, { status: 500 });
+  }
+}
+
+export async function PUT(request: Request) {
+  if (!await checkPerm('PURCHASING_MANAGE')) return NextResponse.json({ error: 'Keine Berechtigung' }, { status: 403 });
+
+  try {
+    const formData = await request.formData();
+    const id = parseInt(formData.get('id') as string);
+    const data: any = {
+      name: formData.get('name') as string,
+      description: formData.get('description') as string || '',
+      sku: formData.get('sku') as string || null,
+      purchasePrice: parseFloat(formData.get('purchasePrice') as string || '0'),
+      salePrice: parseFloat(formData.get('salePrice') as string || '0'),
+      stock: parseInt(formData.get('stock') as string || '0'),
+      unit: formData.get('unit') as string || 'Stk',
+      category: formData.get('category') as string || null,
+      active: formData.get('active') === 'true',
+      trackStock: formData.get('trackStock') !== 'false',
+    };
+
+    const image = formData.get('image') as File | null;
+    if (image && image.size > 0) {
+      const uploadDir = path.join(process.cwd(), 'uploads', 'products');
+      await mkdir(uploadDir, { recursive: true });
+      const ext = image.name.split('.').pop();
+      const savedName = `prod_${Date.now()}.${ext}`;
+      const buffer = Buffer.from(await image.arrayBuffer());
+      await writeFile(path.join(uploadDir, savedName), buffer);
+      data.imagePath = `/api/products/image/${savedName}`;
+    }
+
+    const product = await prisma.product.update({ where: { id }, data });
+    return NextResponse.json(product);
+  } catch (error: any) {
+    if (error.code === 'P2002') return NextResponse.json({ error: 'Artikelnummer existiert bereits' }, { status: 400 });
+    console.error(error);
+    return NextResponse.json({ error: 'Fehler beim Aktualisieren' }, { status: 500 });
+  }
+}
+
+export async function DELETE(request: Request) {
+  if (!await checkPerm('PURCHASING_MANAGE')) return NextResponse.json({ error: 'Keine Berechtigung' }, { status: 403 });
+  try {
+    const { searchParams } = new URL(request.url);
+    const id = parseInt(searchParams.get('id') || '0');
+    await prisma.product.delete({ where: { id } });
+    return NextResponse.json({ success: true });
+  } catch (error) {
+    return NextResponse.json({ error: 'Löschen fehlgeschlagen' }, { status: 500 });
+  }
+}