1 files changed, 52 insertions, 0 deletions
diff --git a/packages/backend/src/core/UserRenoteMutingService.ts b/packages/backend/src/core/UserRenoteMutingService.ts
new file mode 100644
index 0000000000..bdc5e23f4b
--- /dev/null
+++ b/packages/backend/src/core/UserRenoteMutingService.ts
@@ -0,0 +1,52 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project , Type4ny-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { In } from 'typeorm';
+import type { RenoteMutingsRepository } from '@/models/_.js';
+import type { MiRenoteMuting } from '@/models/RenoteMuting.js';
+
+import { IdService } from '@/core/IdService.js';
+import type { MiUser } from '@/models/User.js';
+import { DI } from '@/di-symbols.js';
+import { bindThis } from '@/decorators.js';
+import { CacheService } from '@/core/CacheService.js';
+
+@Injectable()
+export class UserRenoteMutingService {
+	constructor(
+		@Inject(DI.renoteMutingsRepository)
+		private renoteMutingsRepository: RenoteMutingsRepository,
+
+		private idService: IdService,
+		private cacheService: CacheService,
+	) {
+	}
+
+	@bindThis
+	public async mute(user: MiUser, target: MiUser, expiresAt: Date | null = null): Promise<void> {
+		await this.renoteMutingsRepository.insert({
+			id: this.idService.gen(),
+			muterId: user.id,
+			muteeId: target.id,
+		});
+
+		await this.cacheService.renoteMutingsCache.refresh(user.id);
+	}
+
+	@bindThis
+	public async unmute(mutings: MiRenoteMuting[]): Promise<void> {
+		if (mutings.length === 0) return;
+
+		await this.renoteMutingsRepository.delete({
+			id: In(mutings.map(m => m.id)),
+		});
+
+		const muterIds = [...new Set(mutings.map(m => m.muterId))];
+		for (const muterId of muterIds) {
+			await this.cacheService.renoteMutingsCache.refresh(muterId);
+		}
+	}
+}