なんかもうめっちゃ変えた

packages/backend/src/core/entities/InstanceEntityService.ts

@@ -0,0 +1,59 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { DI } from '@/di-symbols.js';
+import { InstancesRepository } from '@/models/index.js';
+import { awaitAll } from '@/misc/prelude/await-all.js';
+import type { Packed } from '@/misc/schema.js';
+import type { } from '@/models/entities/Blocking.js';
+import type { User } from '@/models/entities/User.js';
+import type { Instance } from '@/models/entities/Instance.js';
+import { MetaService } from '../MetaService.js';
+import { UserEntityService } from './UserEntityService.js';
+
+@Injectable()
+export class InstanceEntityService {
+	constructor(
+		@Inject(DI.instancesRepository)
+		private instancesRepository: InstancesRepository,
+
+		private metaService: MetaService,
+	) {
+	}
+
+	public async pack(
+		instance: Instance,
+	): Promise<Packed<'FederationInstance'>> {
+		const meta = await this.metaService.fetch();
+		return {
+			id: instance.id,
+			caughtAt: instance.caughtAt.toISOString(),
+			host: instance.host,
+			usersCount: instance.usersCount,
+			notesCount: instance.notesCount,
+			followingCount: instance.followingCount,
+			followersCount: instance.followersCount,
+			latestRequestSentAt: instance.latestRequestSentAt ? instance.latestRequestSentAt.toISOString() : null,
+			lastCommunicatedAt: instance.lastCommunicatedAt.toISOString(),
+			isNotResponding: instance.isNotResponding,
+			isSuspended: instance.isSuspended,
+			isBlocked: meta.blockedHosts.includes(instance.host),
+			softwareName: instance.softwareName,
+			softwareVersion: instance.softwareVersion,
+			openRegistrations: instance.openRegistrations,
+			name: instance.name,
+			description: instance.description,
+			maintainerName: instance.maintainerName,
+			maintainerEmail: instance.maintainerEmail,
+			iconUrl: instance.iconUrl,
+			faviconUrl: instance.faviconUrl,
+			themeColor: instance.themeColor,
+			infoUpdatedAt: instance.infoUpdatedAt ? instance.infoUpdatedAt.toISOString() : null,
+		};
+	}
+
+	public packMany(
+		instances: Instance[],
+	) {
+		return Promise.all(instances.map(x => this.pack(x)));
+	}
+}
+