Add player controls and configurable profiles

src/lib/user-actions.ts

@@ -5,6 +5,7 @@ import { redirect } from "next/navigation";
 import { Prisma, type User } from "@prisma/client";
 import { prisma } from "./prisma";
 import { clearSession, setSession } from "./session";
+import { getAppSettings } from "./settings";
 
 function normalizeUsername(value: FormDataEntryValue | null) {
   return String(value || "")
@@ -14,6 +15,11 @@ function normalizeUsername(value: FormDataEntryValue | null) {
 }
 
 export async function registerUser(formData: FormData) {
+  const settings = await getAppSettings();
+  if (settings.registrationMode !== "OPEN") {
+    redirect("/register?error=closed");
+  }
+
   const username = normalizeUsername(formData.get("username"));
   const password = String(formData.get("password") || "");