feat: contacts and voucher assignment

app/api/contacts/route.ts

@@ -0,0 +1,25 @@
+import { NextRequest, NextResponse } from "next/server";
+import { getDb } from "@/lib/db";
+import { validateContact } from "@/lib/contacts";
+
+export async function GET() {
+  const db = getDb();
+  const all = await db.contact.findMany({ orderBy: { name: "asc" } });
+  return NextResponse.json(all);
+}
+
+export async function POST(req: NextRequest) {
+  const body = await req.json().catch(() => ({}));
+  const input = {
+    name: String(body.name ?? ""),
+    email: body.email ? String(body.email) : null,
+    telegramChatId: body.telegramChatId ? String(body.telegramChatId) : null,
+  };
+  const errs = validateContact(input);
+  if (errs.length) return NextResponse.json({ errors: errs }, { status: 400 });
+  const db = getDb();
+  const created = await db.contact.create({
+    data: { name: input.name.trim(), email: input.email?.trim() || null, telegramChatId: input.telegramChatId?.trim() || null },
+  });
+  return NextResponse.json(created, { status: 201 });
+}

app/api/vouchers/[id]/route.ts

@@ -6,7 +6,7 @@ export async function GET(_req: NextRequest, { params }: { params: Promise<{ id:
   const numId = Number(id);
   if (!Number.isInteger(numId)) return NextResponse.json({ error: "not found" }, { status: 404 });
   const db = getDb();
-  const v = await db.voucher.findUnique({ where: { id: numId } });
+  const v = await db.voucher.findUnique({ where: { id: numId }, include: { contacts: { include: { contact: true } } } });
   if (!v) return NextResponse.json({ error: "not found" }, { status: 404 });
   return NextResponse.json(v);
 }

app/api/vouchers/route.ts

@@ -33,6 +33,9 @@ export async function POST(req: NextRequest) {
   const errs = validateVoucher(input);
   if (errs.length) return NextResponse.json({ errors: errs }, { status: 400 });
   const db = getDb();
+  const contactIds: number[] = Array.isArray(body.contactIds)
+    ? body.contactIds.map(Number).filter((n: number) => Number.isInteger(n))
+    : [];
   const created = await db.voucher.create({
     data: {
       name: input.name.trim(),
@@ -43,6 +46,7 @@ export async function POST(req: NextRequest) {
       codeText: input.codeText,
       kategorie: input.kategorie,
       notiz: input.notiz,
+      contacts: contactIds.length ? { create: contactIds.map((contactId) => ({ contactId })) } : undefined,
     },
   });
   return NextResponse.json(created, { status: 201 });