user creation and invites

app/api/setup/route.ts

@@ -3,7 +3,14 @@ import { prisma } from '@/lib/prisma';
 import bcrypt from 'bcrypt';
 
 export async function POST(req: NextRequest) {
-    const { email, password, role } = await req.json();
+    const { email, username, password, role } = await req.json();
+
+    const existingUsername = await prisma.user.findUnique({
+        where: { username },
+    })
+    if (existingUsername) {
+        return new NextResponse('Username already taken', { status: 400 })
+    }
 
     const existing = await prisma.user.findUnique({ where: { email }});
     if (existing) return new NextResponse('User already exists', { status: 400 });
@@ -12,6 +19,7 @@ export async function POST(req: NextRequest) {
     const user = await prisma.user.create({
         data: {
             email,
+            username,
             password: hashed,
             role
         }