refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/admin/federation/update-instance.ts

@@ -0,0 +1,33 @@
+import $ from 'cafy';
+import define from '../../../define';
+import { Instances } from '@/models/index';
+import { toPuny } from '@/misc/convert-host';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true as const,
+	requireModerator: true,
+
+	params: {
+		host: {
+			validator: $.str
+		},
+
+		isSuspended: {
+			validator: $.bool
+		},
+	}
+};
+
+export default define(meta, async (ps, me) => {
+	const instance = await Instances.findOne({ host: toPuny(ps.host) });
+
+	if (instance == null) {
+		throw new Error('instance not found');
+	}
+
+	Instances.update({ host: toPuny(ps.host) }, {
+		isSuspended: ps.isSuspended
+	});
+});