wip

packages/backend/migration/1696331570827-hibernation.js

@@ -0,0 +1,17 @@
+export class Hibernation1696331570827 {
+    name = 'Hibernation1696331570827'
+
+    async up(queryRunner) {
+				await queryRunner.query(`DROP INDEX "public"."IDX_d74d8ab5efa7e3bb82825c0fa2"`);
+        await queryRunner.query(`ALTER TABLE "user" ADD "isHibernated" boolean NOT NULL DEFAULT false`);
+        await queryRunner.query(`ALTER TABLE "following" ADD "isFollowerHibernated" boolean NOT NULL DEFAULT false`);
+        await queryRunner.query(`CREATE INDEX "IDX_ce62b50d882d4e9dee10ad0d2f" ON "following" ("followeeId", "followerHost", "isFollowerHibernated") `);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`DROP INDEX "public"."IDX_ce62b50d882d4e9dee10ad0d2f"`);
+        await queryRunner.query(`ALTER TABLE "following" DROP COLUMN "isFollowerHibernated"`);
+        await queryRunner.query(`ALTER TABLE "user" DROP COLUMN "isHibernated"`);
+        await queryRunner.query(`CREATE INDEX "IDX_d74d8ab5efa7e3bb82825c0fa2" ON "following" ("followeeId", "followerHost") `);
+    }
+}

packages/backend/src/core/CoreModule.ts

@@ -46,6 +46,7 @@ import { SignupService } from './SignupService.js';
 import { WebAuthnService } from './WebAuthnService.js';
 import { UserBlockingService } from './UserBlockingService.js';
 import { CacheService } from './CacheService.js';
+import { UserService } from './UserService.js';
 import { UserFollowingService } from './UserFollowingService.js';
 import { UserKeypairService } from './UserKeypairService.js';
 import { UserListService } from './UserListService.js';
@@ -173,6 +174,7 @@ const $SignupService: Provider = { provide: 'SignupService', useExisting: Signup
 const $WebAuthnService: Provider = { provide: 'WebAuthnService', useExisting: WebAuthnService };
 const $UserBlockingService: Provider = { provide: 'UserBlockingService', useExisting: UserBlockingService };
 const $CacheService: Provider = { provide: 'CacheService', useExisting: CacheService };
+const $UserService: Provider = { provide: 'UserService', useExisting: UserService };
 const $UserFollowingService: Provider = { provide: 'UserFollowingService', useExisting: UserFollowingService };
 const $UserKeypairService: Provider = { provide: 'UserKeypairService', useExisting: UserKeypairService };
 const $UserListService: Provider = { provide: 'UserListService', useExisting: UserListService };
@@ -303,6 +305,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		WebAuthnService,
 		UserBlockingService,
 		CacheService,
+		UserService,
 		UserFollowingService,
 		UserKeypairService,
 		UserListService,
@@ -426,6 +429,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$WebAuthnService,
 		$UserBlockingService,
 		$CacheService,
+		$UserService,
 		$UserFollowingService,
 		$UserKeypairService,
 		$UserListService,
@@ -550,6 +554,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		WebAuthnService,
 		UserBlockingService,
 		CacheService,
+		UserService,
 		UserFollowingService,
 		UserKeypairService,
 		UserListService,
@@ -672,6 +677,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$WebAuthnService,
 		$UserBlockingService,
 		$CacheService,
+		$UserService,
 		$UserFollowingService,
 		$UserKeypairService,
 		$UserListService,

packages/backend/src/core/NoteCreateService.ts

@@ -5,7 +5,7 @@
 
 import { setImmediate } from 'node:timers/promises';
 import * as mfm from 'mfm-js';
-import { In, DataSource, IsNull } from 'typeorm';
+import { In, DataSource, IsNull, LessThan } from 'typeorm';
 import * as Redis from 'ioredis';
 import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
 import RE2 from 're2';
@@ -14,7 +14,7 @@ import { extractCustomEmojisFromMfm } from '@/misc/extract-custom-emojis-from-mf
 import { extractHashtags } from '@/misc/extract-hashtags.js';
 import type { IMentionedRemoteUsers } from '@/models/Note.js';
 import { MiNote } from '@/models/Note.js';
-import type { ChannelFollowingsRepository, ChannelsRepository, FollowingsRepository, InstancesRepository, MutingsRepository, NotesRepository, NoteThreadMutingsRepository, UserListMembershipsRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
+import type { ChannelFollowingsRepository, ChannelsRepository, FollowingsRepository, InstancesRepository, MiFollowing, MutingsRepository, NotesRepository, NoteThreadMutingsRepository, UserListMembershipsRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
 import type { MiDriveFile } from '@/models/DriveFile.js';
 import type { MiApp } from '@/models/App.js';
 import { concat } from '@/misc/prelude/array.js';
@@ -829,13 +829,12 @@ export class NoteCreateService implements OnApplicationShutdown {
 				}
 			}
 		} else {
-			// TODO: 休眠ユーザーを弾く
-			// TODO: チャンネルフォロー
 			// TODO: キャッシュ？
 			const followings = await this.followingsRepository.find({
 				where: {
 					followeeId: user.id,
 					followerHost: IsNull(),
+					isFollowerHibernated: false,
 				},
 				select: ['followerId', 'withReplies'],
 			});
@@ -952,11 +951,55 @@ export class NoteCreateService implements OnApplicationShutdown {
 					}
 				}
 			}
+
+			if (Math.random() < 0.1) {
+				process.nextTick(() => {
+					this.checkHibernation(followings);
+				});
+			}
 		}
 
 		redisPipeline.exec();
 	}
 
+	@bindThis
+	public async checkHibernation(followings: MiFollowing[]) {
+		if (followings.length === 0) return;
+
+		const shuffle = (array: MiFollowing[]) => {
+			for (let i = array.length - 1; i > 0; i--) {
+				const j = Math.floor(Math.random() * (i + 1));
+				[array[i], array[j]] = [array[j], array[i]];
+			}
+			return array;
+		};
+
+		// ランダムに最大1000件サンプリング
+		const samples = shuffle(followings).slice(0, Math.min(followings.length, 1000));
+
+		const hibernatedUsers = await this.usersRepository.find({
+			where: {
+				id: In(samples.map(x => x.followerId)),
+				lastActiveDate: LessThan(new Date(Date.now() - (1000 * 60 * 60 * 24 * 50))),
+			},
+			select: ['id'],
+		});
+
+		if (hibernatedUsers.length > 0) {
+			this.usersRepository.update({
+				id: In(hibernatedUsers.map(x => x.id)),
+			}, {
+				isHibernated: true,
+			});
+
+			this.followingsRepository.update({
+				followerId: In(hibernatedUsers.map(x => x.id)),
+			}, {
+				isFollowerHibernated: true,
+			});
+		}
+	}
+
 	@bindThis
 	public dispose(): void {
 		this.#shutdownController.abort();

packages/backend/src/core/UserService.ts

@@ -0,0 +1,53 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import type { FollowingsRepository, UsersRepository } from '@/models/_.js';
+import type { MiUser } from '@/models/User.js';
+import { DI } from '@/di-symbols.js';
+import { bindThis } from '@/decorators.js';
+
+@Injectable()
+export class UserService {
+	constructor(
+		@Inject(DI.usersRepository)
+		private usersRepository: UsersRepository,
+
+		@Inject(DI.followingsRepository)
+		private followingsRepository: FollowingsRepository,
+	) {
+	}
+
+	@bindThis
+	public async updateLastActiveDate(user: MiUser): Promise<void> {
+		if (user.isHibernated) {
+			const result = await this.usersRepository.createQueryBuilder().update()
+				.set({
+					lastActiveDate: new Date(),
+				})
+				.where('id = :id', { id: user.id })
+				.returning('*')
+				.execute()
+				.then((response) => {
+					return response.raw[0];
+				});
+			const wokeUp = result.isHibernated;
+			if (wokeUp) {
+				this.usersRepository.update(user.id, {
+					isHibernated: false,
+				});
+				this.followingsRepository.update({
+					followerId: user.id,
+				}, {
+					isFollowerHibernated: false,
+				});
+			}
+		} else {
+			this.usersRepository.update(user.id, {
+				lastActiveDate: new Date(),
+			});
+		}
+	}
+}

packages/backend/src/models/Following.ts

@@ -9,7 +9,7 @@ import { MiUser } from './User.js';
 
 @Entity('following')
 @Index(['followerId', 'followeeId'], { unique: true })
-@Index(['followeeId', 'followerHost'])
+@Index(['followeeId', 'followerHost', 'isFollowerHibernated'])
 export class MiFollowing {
 	@PrimaryColumn(id())
 	public id: string;
@@ -46,6 +46,11 @@ export class MiFollowing {
 	@JoinColumn()
 	public follower: MiUser | null;
 
+	@Column('boolean', {
+		default: false,
+	})
+	public isFollowerHibernated: boolean;
+
 	// タイムラインにその人のリプライまで含めるかどうか
 	@Column('boolean', {
 		default: false,

packages/backend/src/models/User.ts

@@ -187,6 +187,11 @@ export class MiUser {
 	})
 	public isExplorable: boolean;
 
+	@Column('boolean', {
+		default: false,
+	})
+	public isHibernated: boolean;
+
 	// アカウントが削除されたかどうかのフラグだが、完全に削除される際は物理削除なので実質削除されるまでの「削除が進行しているかどうか」のフラグ
 	@Column('boolean', {
 		default: false,

packages/backend/src/server/api/StreamingApiServerService.ts

@@ -14,6 +14,7 @@ import { NotificationService } from '@/core/NotificationService.js';
 import { bindThis } from '@/decorators.js';
 import { CacheService } from '@/core/CacheService.js';
 import { MiLocalUser } from '@/models/User.js';
+import { UserService } from '@/core/UserService.js';
 import { AuthenticateService, AuthenticationError } from './AuthenticateService.js';
 import MainStreamConnection from './stream/Connection.js';
 import { ChannelsService } from './stream/ChannelsService.js';
@@ -37,6 +38,7 @@ export class StreamingApiServerService {
 		private authenticateService: AuthenticateService,
 		private channelsService: ChannelsService,
 		private notificationService: NotificationService,
+		private usersService: UserService,
 	) {
 	}
 
@@ -130,14 +132,10 @@ export class StreamingApiServerService {
 			this.#connections.set(connection, Date.now());
 
 			const userUpdateIntervalId = user ? setInterval(() => {
-				this.usersRepository.update(user.id, {
-					lastActiveDate: new Date(),
-				});
+				this.usersService.updateLastActiveDate(user);
 			}, 1000 * 60 * 5) : null;
 			if (user) {
-				this.usersRepository.update(user.id, {
-					lastActiveDate: new Date(),
-				});
+				this.usersService.updateLastActiveDate(user);
 			}
 
 			connection.once('close', () => {