feat: add authentication and user management features

- Implemented AuthButton component for Discord sign-in and sign-out functionality.
- Created CopyButton component for copying server IP addresses.
- Developed EventCard and GradeCard components for displaying events and grades.
- Added Footer and Navbar components for site navigation and information.
- Introduced PurchaseButton for handling grade purchases with Stripe integration.
- Created SectionHeader component for consistent section titles.
- Implemented session management with SessionProvider for NextAuth.
- Set up PostgreSQL database with Docker and Prisma for data management.
- Added admin guard functionality to restrict access to certain routes.
- Configured NextAuth with Discord provider for user authentication.
- Defined Prisma schema for user, admin, grade, event, and purchase models.
- Seeded database with initial grades and events data.
- Added SVG hero image for the landing page.
- Extended NextAuth types to include additional user properties.

app/api/admin/admins/[id]/route.ts

@@ -0,0 +1,17 @@
+import type { NextRequest } from "next/server";
+import { db } from "@/lib/db";
+import { requireAdmin } from "@/lib/admin";
+
+export const dynamic = "force-dynamic";
+
+export async function DELETE(
+  _request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const guard = await requireAdmin();
+  if (!guard.ok) return guard.response;
+
+  const { id } = await params;
+  await db.admin.delete({ where: { id } });
+  return Response.json({ ok: true });
+}

app/api/admin/admins/route.ts

@@ -0,0 +1,73 @@
+import { db } from "@/lib/db";
+import { requireAdmin } from "@/lib/admin";
+
+export const dynamic = "force-dynamic";
+
+type AdminWithUser = {
+  id: string;
+  discordId: string;
+  user: {
+    name?: string | null;
+    email?: string | null;
+    discordUsername?: string | null;
+  } | null;
+};
+
+export async function GET() {
+  const guard = await requireAdmin();
+  if (!guard.ok) return guard.response;
+
+  const admins = await db.admin.findMany({
+    orderBy: { createdAt: "desc" },
+    include: { user: true },
+  });
+
+  const adminUsers = admins as AdminWithUser[];
+
+  return Response.json(
+    adminUsers.map((admin) => ({
+      id: admin.id,
+      discordId: admin.discordId,
+      user: admin.user
+        ? {
+            name: admin.user.name,
+            email: admin.user.email,
+            discordUsername: admin.user.discordUsername,
+          }
+        : null,
+    }))
+  );
+}
+
+export async function POST(request: Request) {
+  const guard = await requireAdmin();
+  if (!guard.ok) return guard.response;
+
+  const body = await request.json();
+  const discordId = body?.discordId?.toString().trim();
+
+  if (!discordId) {
+    return Response.json({ error: "Discord ID required" }, { status: 400 });
+  }
+
+  const user = await db.user.findUnique({ where: { discordId } });
+  if (!user) {
+    return Response.json({ error: "User not found" }, { status: 404 });
+  }
+
+  const admin = await db.admin.upsert({
+    where: { discordId },
+    update: {},
+    create: { discordId, userId: user.id },
+  });
+
+  return Response.json({
+    id: admin.id,
+    discordId: admin.discordId,
+    user: {
+      name: user.name,
+      email: user.email,
+      discordUsername: user.discordUsername,
+    },
+  });
+}