Implement database migration, notification logs, and one-click Mailcow setup

app/api/mappings/route.ts

@@ -0,0 +1,43 @@
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@/auth";
+import { prisma } from "@/lib/prisma";
+
+// GET /api/mappings — list all mappings
+export async function GET() {
+  const session = await auth();
+  if (!session || session.user.role !== "SUPER_ADMIN") {
+    return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+  }
+
+  const mappings = await prisma.mailboxMapping.findMany({
+    include: { user: true },
+    orderBy: { createdAt: "desc" },
+  });
+
+  return NextResponse.json(mappings);
+}
+
+// POST /api/mappings — create a new mapping
+export async function POST(req: NextRequest) {
+  const session = await auth();
+  if (!session || session.user.role !== "SUPER_ADMIN") {
+    return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+  }
+
+  try {
+    const body = await req.json();
+    const { email, userId } = body;
+
+    const mapping = await prisma.mailboxMapping.create({
+      data: {
+        email: email.toLowerCase().trim(),
+        userId,
+      },
+      include: { user: true },
+    });
+
+    return NextResponse.json(mapping);
+  } catch (error: any) {
+    return NextResponse.json({ error: error.message }, { status: 500 });
+  }
+}