refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/get-online-users-count.ts

@@ -0,0 +1,23 @@
+import { USER_ONLINE_THRESHOLD } from '@/const';
+import { Users } from '@/models/index';
+import { MoreThan } from 'typeorm';
+import define from '../define';
+
+export const meta = {
+	tags: ['meta'],
+
+	requireCredential: false as const,
+
+	params: {
+	}
+};
+
+export default define(meta, async () => {
+	const count = await Users.count({
+		lastActiveDate: MoreThan(new Date(Date.now() - USER_ONLINE_THRESHOLD))
+	});
+
+	return {
+		count
+	};
+});