added admin system

src/app/actions/manage-users.ts

@@ -0,0 +1,36 @@
+"use server";
+
+import db from "@/lib/db";
+import { user } from "@/lib/model/auth-schema";
+import { eq } from "drizzle-orm";
+import { requireAdmin } from "@/lib/auth";
+
+export async function deleteUser(userId: string) {
+  const result = await requireAdmin();
+  
+  if (!result.authenticated || !result.admin) {
+    throw new Error("Unauthorized");
+  }
+
+  await db.delete(user).where(eq(user.id, userId));
+}
+
+export async function setUserAdmin(userId: string, isAdmin: boolean) {
+  const result = await requireAdmin();
+  
+  if (!result.authenticated || !result.admin) {
+    throw new Error("Unauthorized");
+  }
+
+  await db.update(user).set({ admin: isAdmin }).where(eq(user.id, userId));
+}
+
+export async function getAllUsers() {
+  const result = await requireAdmin();
+  
+  if (!result.authenticated || !result.admin) {
+    throw new Error("Unauthorized");
+  }
+
+  return db.select().from(user);
+}