install and handle casle & prevent page dashboard & handle register and code verfication & get data in clinics page

lib/ability.js

@@ -0,0 +1,16 @@
+import { AbilityBuilder, createMongoAbility } from "@casl/ability";
+
+export function defineAbilitiesFor(user) {
+  const { can, cannot, build } = new AbilityBuilder(createMongoAbility);
+
+  if (user?.role === "admin") {
+    can("access", "Dashboard");
+  } else if (user?.role === "manager") {
+    can("access", "Dashboard");
+  } else {
+    can("access", "Dashboard");
+    // cannot("access", "Dashboard");
+  }
+
+  return build();
+}

lib/auth.js

@@ -0,0 +1,8 @@
+import { cookies } from "next/headers";
+
+export async function getUser() {
+  const cookieStore = cookies();
+  const raw = cookieStore.get("user");
+  if (!raw) return null;
+  return JSON.parse(raw.value);
+}