v12 (#5712)

Co-authored-by: MeiMei <30769358+mei23@users.noreply.github.com>
Co-authored-by: Satsuki Yanagi <17376330+u1-liquid@users.noreply.github.com>

src/server/api/endpoints/admin/announcements/delete.ts

@@ -0,0 +1,34 @@
+import $ from 'cafy';
+import define from '../../../define';
+import { ID } from '../../../../../misc/cafy-id';
+import { Announcements } from '../../../../../models';
+import { ApiError } from '../../../error';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireModerator: true,
+
+	params: {
+		id: {
+			validator: $.type(ID)
+		}
+	},
+
+	errors: {
+		noSuchAnnouncement: {
+			message: 'No such announcement.',
+			code: 'NO_SUCH_ANNOUNCEMENT',
+			id: 'ecad8040-a276-4e85-bda9-015a708d291e'
+		}
+	}
+};
+
+export default define(meta, async (ps, me) => {
+	const announcement = await Announcements.findOne(ps.id);
+
+	if (announcement == null) throw new ApiError(meta.errors.noSuchAnnouncement);
+
+	await Announcements.delete(announcement.id);
+});