refactoring

Resolve #7779

packages/backend/src/services/suspend-user.ts

@@ -0,0 +1,34 @@
+import renderDelete from '@/remote/activitypub/renderer/delete';
+import { renderActivity } from '@/remote/activitypub/renderer/index';
+import { deliver } from '@/queue/index';
+import config from '@/config/index';
+import { User } from '@/models/entities/user';
+import { Users, Followings } from '@/models/index';
+import { Not, IsNull } from 'typeorm';
+
+export async function doPostSuspend(user: { id: User['id']; host: User['host'] }) {
+	if (Users.isLocalUser(user)) {
+		// 知り得る全SharedInboxにDelete配信
+		const content = renderActivity(renderDelete(`${config.url}/users/${user.id}`, user));
+
+		const queue: string[] = [];
+
+		const followings = await Followings.find({
+			where: [
+				{ followerSharedInbox: Not(IsNull()) },
+				{ followeeSharedInbox: Not(IsNull()) }
+			],
+			select: ['followerSharedInbox', 'followeeSharedInbox']
+		});
+
+		const inboxes = followings.map(x => x.followerSharedInbox || x.followeeSharedInbox);
+
+		for (const inbox of inboxes) {
+			if (inbox != null && !queue.includes(inbox)) queue.push(inbox);
+		}
+
+		for (const inbox of queue) {
+			deliver(user, content, inbox);
+		}
+	}
+}