fix startup crash caused by circular reference (SWC is not compatible with forwardRef)

packages/backend/src/core/UpdateInstanceQueue.ts

@@ -0,0 +1,52 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Injectable, OnApplicationShutdown } from '@nestjs/common';
+import { CollapsedQueue } from '@/misc/collapsed-queue.js';
+import { bindThis } from '@/decorators.js';
+import { MiNote } from '@/models/Note.js';
+import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
+
+type UpdateInstanceJob = {
+	latestRequestReceivedAt: Date,
+	shouldUnsuspend: boolean,
+};
+
+// Moved from InboxProcessorService to allow access from ApInboxService
+@Injectable()
+export class UpdateInstanceQueue extends CollapsedQueue<MiNote['id'], UpdateInstanceJob> implements OnApplicationShutdown {
+	constructor(
+		private readonly federatedInstanceService: FederatedInstanceService,
+	) {
+		super(process.env.NODE_ENV !== 'test' ? 60 * 1000 * 5 : 0, (id, job) => this.collapseUpdateInstanceJobs(id, job), (id, job) => this.performUpdateInstance(id, job));
+	}
+
+	@bindThis
+	private collapseUpdateInstanceJobs(oldJob: UpdateInstanceJob, newJob: UpdateInstanceJob) {
+		const latestRequestReceivedAt = oldJob.latestRequestReceivedAt < newJob.latestRequestReceivedAt
+			? newJob.latestRequestReceivedAt
+			: oldJob.latestRequestReceivedAt;
+		const shouldUnsuspend = oldJob.shouldUnsuspend || newJob.shouldUnsuspend;
+		return {
+			latestRequestReceivedAt,
+			shouldUnsuspend,
+		};
+	}
+
+	@bindThis
+	private async performUpdateInstance(id: string, job: UpdateInstanceJob) {
+		await this.federatedInstanceService.update(id, {
+			latestRequestReceivedAt: new Date(),
+			isNotResponding: false,
+			// もしサーバーが死んでるために配信が止まっていた場合には自動的に復活させてあげる
+			suspensionState: job.shouldUnsuspend ? 'none' : undefined,
+		});
+	}
+
+	@bindThis
+	async onApplicationShutdown() {
+		await this.performAllNow();
+	}
+}