edubox/server/app/dashboard/classes/new/page.tsx

import { prisma } from "@/lib/prisma";
import { getServerSession } from "next-auth/next";
import { authOptions } from "@/lib/auth-config";
import { redirect } from "next/navigation";
import { Card, CardHeader, CardTitle, CardContent } from "@/components/ui/card";
import { Input } from "@/components/ui/input";
import { Button } from "@/components/ui/button";
import { z } from "zod";

export const dynamic = "force-dynamic";

const schema = z.object({
  name: z.string().min(2),
  level: z.string().min(1),
});

async function createClass(formData: FormData) {
  "use server";
  const session = await getServerSession(authOptions);
  if (!session?.user) redirect("/login");
  if (!session.user.establishmentId) redirect("/dashboard");

  const parsed = schema.safeParse(Object.fromEntries(formData));
  if (!parsed.success) return;

  await prisma.class.create({
    data: {
      name: parsed.data.name,
      level: parsed.data.level,
      establishment: { connect: { id: session.user.establishmentId } },
    },
  });

  redirect("/dashboard/classes");
}

export default async function NewClassPage() {
  const session = await getServerSession(authOptions);
  if (!session?.user) redirect("/login");
  if (!session.user.establishmentId) redirect("/dashboard");

  return (
    <div className="space-y-6 max-w-xl">
      <h1 className="text-3xl font-bold">Nouvelle classe</h1>
      <Card>
        <CardHeader>
          <CardTitle>Créer une classe</CardTitle>
        </CardHeader>
        <CardContent>
          <form action={createClass} className="space-y-4">
            <div className="space-y-2">
              <label htmlFor="name" className="text-sm font-medium">Nom</label>
              <Input id="name" name="name" required minLength={2} />
            </div>
            <div className="space-y-2">
              <label htmlFor="level" className="text-sm font-medium">Niveau</label>
              <Input id="level" name="level" required minLength={1} />
            </div>
            <div className="flex justify-end">
              <Button type="submit">Créer</Button>
            </div>
          </form>
        </CardContent>
      </Card>
    </div>
  );
}