perf(backend): createdAtをidから取得するように & 無駄なDateインスタンスの生成を避けるように

packages/backend/migration/1697420555911-deleteCreatedAt.js

@@ -0,0 +1,144 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export class DeleteCreatedAt1697420555911 {
+    name = 'DeleteCreatedAt1697420555911'
+
+    async up(queryRunner) {
+        await queryRunner.query(`DROP INDEX "public"."IDX_02878d441ceae15ce060b73daf"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_c8dfad3b72196dd1d6b5db168a"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_e11e649824a45d8ed01d597fd9"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_db2098070b2b5a523c58181f74"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_048a757923ed8b157e9895da53"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_1129c2ef687fc272df040bafaa"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_118ec703e596086fc4515acb39"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_b9a354f7941c1e779f3b33aea6"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_71cb7b435b7c0d4843317e7e16"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_11e71f2511589dcc8a4d3214f9"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_735a5544f9249d412255f47f95"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_582f8fab771a9040a12961f3e7"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_8f1a239bd077c8864a20c62c2c"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_f86d57fbca33c7a4e6897490cc"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_d1259a2c2b7bb413ff449e8711"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_fbb4297c927a9b85e9cefa2eb1"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_0fb627e1c2f753262a74f0562d"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_149d2e44785707548c82999b01"`);
+        await queryRunner.query(`ALTER TABLE "drive_folder" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "drive_file" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "user" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "abuse_user_report" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "app" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "access_token" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "ad" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "announcement" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "announcement_read" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "user_list" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "antenna" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "auth_session" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "blocking" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "channel" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "channel_following" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "channel_favorite" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "clip" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "note" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "clip_favorite" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "following" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "follow_request" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "gallery_post" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "gallery_like" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "moderation_log" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "muting" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "renote_muting" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "note_favorite" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "note_reaction" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "note_thread_muting" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "page" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "page_like" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "password_reset_request" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "poll_vote" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "promo_read" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "registration_ticket" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "registry_item" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "signin" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "sw_subscription" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "user_list_favorite" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "user_list_membership" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "user_note_pining" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "user_pending" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "webhook" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "role" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "role_assignment" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "flash" DROP COLUMN "createdAt"`);
+        await queryRunner.query(`ALTER TABLE "flash_like" DROP COLUMN "createdAt"`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "flash_like" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "flash" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "role_assignment" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "role" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "webhook" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "user_pending" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "user_note_pining" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "user_list_membership" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "user_list_favorite" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "sw_subscription" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "signin" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "registry_item" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "registration_ticket" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "promo_read" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "poll_vote" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "password_reset_request" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "page_like" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "page" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "note_thread_muting" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "note_reaction" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "note_favorite" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "renote_muting" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "muting" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "moderation_log" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "gallery_like" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "gallery_post" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "follow_request" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "following" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "clip_favorite" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "note" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "clip" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "channel_favorite" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "channel_following" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "channel" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "blocking" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "auth_session" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "antenna" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "user_list" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "announcement_read" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "announcement" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "ad" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "access_token" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "app" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "abuse_user_report" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "user" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "drive_file" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`ALTER TABLE "drive_folder" ADD "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL`);
+        await queryRunner.query(`CREATE INDEX "IDX_149d2e44785707548c82999b01" ON "flash" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_0fb627e1c2f753262a74f0562d" ON "poll_vote" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_fbb4297c927a9b85e9cefa2eb1" ON "page" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_d1259a2c2b7bb413ff449e8711" ON "renote_muting" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_f86d57fbca33c7a4e6897490cc" ON "muting" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_8f1a239bd077c8864a20c62c2c" ON "gallery_post" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_582f8fab771a9040a12961f3e7" ON "following" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_735a5544f9249d412255f47f95" ON "channel_favorite" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_11e71f2511589dcc8a4d3214f9" ON "channel_following" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_71cb7b435b7c0d4843317e7e16" ON "channel" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_b9a354f7941c1e779f3b33aea6" ON "blocking" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_118ec703e596086fc4515acb39" ON "announcement" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_1129c2ef687fc272df040bafaa" ON "ad" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_048a757923ed8b157e9895da53" ON "app" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_db2098070b2b5a523c58181f74" ON "abuse_user_report" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_e11e649824a45d8ed01d597fd9" ON "user" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_c8dfad3b72196dd1d6b5db168a" ON "drive_file" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_02878d441ceae15ce060b73daf" ON "drive_folder" ("createdAt") `);
+    }
+}

packages/backend/src/core/AccountMoveService.ts

@@ -186,7 +186,7 @@ export class AccountMoveService {
 		const genId = (): string => {
 			let id: string;
 			do {
-				id = this.idService.genId();
+				id = this.idService.gen();
 			} while (newMutings.has(id));
 			return id;
 		};
@@ -234,7 +234,7 @@ export class AccountMoveService {
 		const genId = (): string => {
 			let id: string;
 			do {
-				id = this.idService.genId();
+				id = this.idService.gen();
 			} while (newMemberships.has(id));
 			return id;
 		};

packages/backend/src/core/AnnouncementService.ts

@@ -53,7 +53,7 @@ export class AnnouncementService {
 			}))
 			.andWhere(new Brackets(qb => {
 				qb.orWhere('announcement.forExistingUsers = false');
-				qb.orWhere('announcement.createdAt > :createdAt', { createdAt: user.createdAt });
+				qb.orWhere('announcement.id > :userId', { userId: user.id });
 			}))
 			.andWhere(`announcement.id NOT IN (${ readsQuery.getQuery() })`);
 
@@ -65,8 +65,7 @@ export class AnnouncementService {
 	@bindThis
 	public async create(values: Partial<MiAnnouncement>, moderator?: MiUser): Promise<{ raw: MiAnnouncement; packed: Packed<'Announcement'> }> {
 		const announcement = await this.announcementsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			updatedAt: null,
 			title: values.title,
 			text: values.text,
@@ -179,8 +178,7 @@ export class AnnouncementService {
 	public async read(user: MiUser, announcementId: MiAnnouncement['id']): Promise<void> {
 		try {
 			await this.announcementReadsRepository.insert({
-				id: this.idService.genId(),
+				id: this.idService.gen(),
-				createdAt: new Date(),
 				announcementId: announcementId,
 				userId: user.id,
 			});
@@ -204,7 +202,7 @@ export class AnnouncementService {
 		const reads = me ? (options?.reads ?? await this.getReads(me.id)) : [];
 		return announcements.map(announcement => ({
 			id: announcement.id,
-			createdAt: announcement.createdAt.toISOString(),
+			createdAt: this.idService.parse(announcement.id).date.toISOString(),
 			updatedAt: announcement.updatedAt?.toISOString() ?? null,
 			text: announcement.text,
 			title: announcement.title,

packages/backend/src/core/AntennaService.ts

@@ -57,14 +57,12 @@ export class AntennaService implements OnApplicationShutdown {
 				case 'antennaCreated':
 					this.antennas.push({
 						...body,
-						createdAt: new Date(body.createdAt),
 						lastUsedAt: new Date(body.lastUsedAt),
 					});
 					break;
 				case 'antennaUpdated':
 					this.antennas[this.antennas.findIndex(a => a.id === body.id)] = {
 						...body,
-						createdAt: new Date(body.createdAt),
 						lastUsedAt: new Date(body.lastUsedAt),
 					};
 					break;

packages/backend/src/core/ClipService.ts

@@ -46,8 +46,7 @@ export class ClipService {
 		}
 
 		const clip = await this.clipsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			userId: me.id,
 			name: name,
 			isPublic: isPublic,
@@ -109,7 +108,7 @@ export class ClipService {
 
 		try {
 			await this.clipNotesRepository.insert({
-				id: this.idService.genId(),
+				id: this.idService.gen(),
 				noteId: noteId,
 				clipId: clip.id,
 			});

packages/backend/src/core/CreateSystemUserService.ts

@@ -52,8 +52,7 @@ export class CreateSystemUserService {
 			if (exist) throw new Error('the user is already exists');
 
 			account = await transactionalEntityManager.insert(MiUser, {
-				id: this.idService.genId(),
+				id: this.idService.gen(),
-				createdAt: new Date(),
 				username: username,
 				usernameLower: username.toLowerCase(),
 				host: null,

packages/backend/src/core/CustomEmojiService.ts

@@ -69,7 +69,7 @@ export class CustomEmojiService implements OnApplicationShutdown {
 		roleIdsThatCanBeUsedThisEmojiAsReaction: MiRole['id'][];
 	}, moderator?: MiUser): Promise<MiEmoji> {
 		const emoji = await this.emojisRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
 			updatedAt: new Date(),
 			name: data.name,
 			category: data.category,

packages/backend/src/core/DriveService.ts

@@ -564,8 +564,7 @@ export class DriveService {
 		const folder = await fetchFolder();
 
 		let file = new MiDriveFile();
-		file.id = this.idService.genId();
+		file.id = this.idService.gen();
-		file.createdAt = new Date();
 		file.userId = user ? user.id : null;
 		file.userHost = user ? user.host : null;
 		file.folderId = folder !== null ? folder.id : null;

packages/backend/src/core/FederatedInstanceService.ts

@@ -56,7 +56,7 @@ export class FederatedInstanceService implements OnApplicationShutdown {
 
 		if (index == null) {
 			const i = await this.instancesRepository.insert({
-				id: this.idService.genId(),
+				id: this.idService.gen(),
 				host,
 				firstRetrievedAt: new Date(),
 			}).then(x => this.instancesRepository.findOneByOrFail(x.identifiers[0]));

packages/backend/src/core/HashtagService.ts

@@ -120,7 +120,7 @@ export class HashtagService {
 		} else {
 			if (isUserAttached) {
 				this.hashtagsRepository.insert({
-					id: this.idService.genId(),
+					id: this.idService.gen(),
 					name: tag,
 					mentionedUserIds: [],
 					mentionedUsersCount: 0,
@@ -137,7 +137,7 @@ export class HashtagService {
 				} as MiHashtag);
 			} else {
 				this.hashtagsRepository.insert({
-					id: this.idService.genId(),
+					id: this.idService.gen(),
 					name: tag,
 					mentionedUserIds: [user.id],
 					mentionedUsersCount: 1,

packages/backend/src/core/IdService.ts

@@ -26,17 +26,21 @@ export class IdService {
 		this.method = config.id.toLowerCase();
 	}
 
+	/**
+	 * 時間を元にIDを生成します(省略時は現在日時)
+	 * @param time 日時
+	 */
 	@bindThis
-	public genId(date?: Date): string {
+	public gen(time?: number): string {
-		if (!date || (date > new Date())) date = new Date();
+		const t = (!time || (time > Date.now())) ? Date.now() : time;
 
 		switch (this.method) {
-			case 'aid': return genAid(date);
+			case 'aid': return genAid(t);
-			case 'aidx': return genAidx(date);
+			case 'aidx': return genAidx(t);
-			case 'meid': return genMeid(date);
+			case 'meid': return genMeid(t);
-			case 'meidg': return genMeidg(date);
+			case 'meidg': return genMeidg(t);
-			case 'ulid': return ulid(date.getTime());
+			case 'ulid': return ulid(t);
-			case 'objectid': return genObjectId(date);
+			case 'objectid': return genObjectId(t);
 			default: throw new Error('unrecognized id generation method');
 		}
 	}

packages/backend/src/core/ModerationLogService.ts

@@ -24,8 +24,7 @@ export class ModerationLogService {
 	@bindThis
 	public async log<T extends typeof moderationLogTypes[number]>(moderator: { id: MiUser['id'] }, type: T, info?: ModerationLogPayloads[T]) {
 		await this.moderationLogsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			userId: moderator.id,
 			type: type,
 			info: (info as any) ?? {},

packages/backend/src/core/NoteCreateService.ts

@@ -222,7 +222,6 @@ export class NoteCreateService implements OnApplicationShutdown {
 		id: MiUser['id'];
 		username: MiUser['username'];
 		host: MiUser['host'];
-		createdAt: MiUser['createdAt'];
 		isBot: MiUser['isBot'];
 		isCat: MiUser['isCat'];
 	}, data: Option, silent = false): Promise<MiNote> {
@@ -383,8 +382,7 @@ export class NoteCreateService implements OnApplicationShutdown {
 	@bindThis
 	private async insertNote(user: { id: MiUser['id']; host: MiUser['host']; }, data: Option, tags: string[], emojis: string[], mentionedUsers: MinimumUser[]) {
 		const insert = new MiNote({
-			id: this.idService.genId(data.createdAt!),
+			id: this.idService.gen(data.createdAt?.getTime()),
-			createdAt: data.createdAt!,
 			fileIds: data.files ? data.files.map(file => file.id) : [],
 			replyId: data.reply ? data.reply.id : null,
 			renoteId: data.renote ? data.renote.id : null,
@@ -483,7 +481,6 @@ export class NoteCreateService implements OnApplicationShutdown {
 		id: MiUser['id'];
 		username: MiUser['username'];
 		host: MiUser['host'];
-		createdAt: MiUser['createdAt'];
 		isBot: MiUser['isBot'];
 	}, data: Option, silent: boolean, tags: string[], mentionedUsers: MinimumUser[]) {
 		const meta = await this.metaService.fetch();

packages/backend/src/core/NotePiningService.ts

@@ -71,8 +71,7 @@ export class NotePiningService {
 		}
 
 		await this.userNotePiningsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			userId: user.id,
 			noteId: note.id,
 		} as MiUserNotePining);

packages/backend/src/core/NoteReadService.ts

@@ -57,7 +57,7 @@ export class NoteReadService implements OnApplicationShutdown {
 		if (isThreadMuted) return;
 
 		const unread = {
-			id: this.idService.genId(),
+			id: this.idService.gen(),
 			noteId: note.id,
 			userId: userId,
 			isSpecified: params.isSpecified,

packages/backend/src/core/NotificationService.ts

@@ -125,7 +125,7 @@ export class NotificationService implements OnApplicationShutdown {
 		}
 
 		const notification = {
-			id: this.idService.genId(),
+			id: this.idService.gen(),
 			createdAt: new Date(),
 			type: type,
 			notifierId: notifierId,

packages/backend/src/core/PollService.ts

@@ -72,10 +72,8 @@ export class PollService {
 			throw new Error('already voted');
 		}
 
-		// Create vote
 		await this.pollVotesRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			noteId: note.id,
 			userId: user.id,
 			choice: choice,

packages/backend/src/core/QueryService.ts

@@ -52,14 +52,14 @@ export class QueryService {
 			q.andWhere(`${q.alias}.id < :untilId`, { untilId: untilId });
 			q.orderBy(`${q.alias}.id`, 'DESC');
 		} else if (sinceDate && untilDate) {
-			q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: this.idService.genId(new Date(sinceDate)) });
+			q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: this.idService.gen(sinceDate) });
-			q.andWhere(`${q.alias}.id < :untilId`, { untilId: this.idService.genId(new Date(untilDate)) });
+			q.andWhere(`${q.alias}.id < :untilId`, { untilId: this.idService.gen(untilDate) });
 			q.orderBy(`${q.alias}.id`, 'DESC');
 		} else if (sinceDate) {
-			q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: this.idService.genId(new Date(sinceDate)) });
+			q.andWhere(`${q.alias}.id > :sinceId`, { sinceId: this.idService.gen(sinceDate) });
 			q.orderBy(`${q.alias}.id`, 'ASC');
 		} else if (untilDate) {
-			q.andWhere(`${q.alias}.id < :untilId`, { untilId: this.idService.genId(new Date(untilDate)) });
+			q.andWhere(`${q.alias}.id < :untilId`, { untilId: this.idService.gen(untilDate) });
 			q.orderBy(`${q.alias}.id`, 'DESC');
 		} else {
 			q.orderBy(`${q.alias}.id`, 'DESC');

packages/backend/src/core/ReactionService.ts

@@ -153,8 +153,7 @@ export class ReactionService {
 		}
 
 		const record: MiNoteReaction = {
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			noteId: note.id,
 			userId: user.id,
 			reaction,

packages/backend/src/core/RelayService.ts

@@ -54,7 +54,7 @@ export class RelayService {
 	@bindThis
 	public async addRelay(inbox: string): Promise<MiRelay> {
 		const relay = await this.relaysRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
 			inbox,
 			status: 'requesting',
 		}).then(x => this.relaysRepository.findOneByOrFail(x.identifiers[0]));

packages/backend/src/core/RoleService.ts

@@ -125,7 +125,6 @@ export class RoleService implements OnApplicationShutdown {
 					if (cached) {
 						cached.push({
 							...body,
-							createdAt: new Date(body.createdAt),
 							updatedAt: new Date(body.updatedAt),
 							lastUsedAt: new Date(body.lastUsedAt),
 						});
@@ -139,7 +138,6 @@ export class RoleService implements OnApplicationShutdown {
 						if (i > -1) {
 							cached[i] = {
 								...body,
-								createdAt: new Date(body.createdAt),
 								updatedAt: new Date(body.updatedAt),
 								lastUsedAt: new Date(body.lastUsedAt),
 							};
@@ -159,7 +157,6 @@ export class RoleService implements OnApplicationShutdown {
 					if (cached) {
 						cached.push({
 							...body,
-							createdAt: new Date(body.createdAt),
 							expiresAt: body.expiresAt ? new Date(body.expiresAt) : null,
 						});
 					}
@@ -198,10 +195,10 @@ export class RoleService implements OnApplicationShutdown {
 					return this.userEntityService.isRemoteUser(user);
 				}
 				case 'createdLessThan': {
-					return user.createdAt.getTime() > (Date.now() - (value.sec * 1000));
+					return this.idService.parse(user.id).date.getTime() > (Date.now() - (value.sec * 1000));
 				}
 				case 'createdMoreThan': {
-					return user.createdAt.getTime() < (Date.now() - (value.sec * 1000));
+					return this.idService.parse(user.id).date.getTime() < (Date.now() - (value.sec * 1000));
 				}
 				case 'followersLessThanOrEq': {
 					return user.followersCount <= value.value;
@@ -382,7 +379,7 @@ export class RoleService implements OnApplicationShutdown {
 
 	@bindThis
 	public async assign(userId: MiUser['id'], roleId: MiRole['id'], expiresAt: Date | null = null, moderator?: MiUser): Promise<void> {
-		const now = new Date();
+		const now = Date.now();
 
 		const role = await this.rolesRepository.findOneByOrFail({ id: roleId });
 
@@ -392,7 +389,7 @@ export class RoleService implements OnApplicationShutdown {
 		});
 
 		if (existing) {
-			if (existing.expiresAt && (existing.expiresAt.getTime() < now.getTime())) {
+			if (existing.expiresAt && (existing.expiresAt.getTime() < now)) {
 				await this.roleAssignmentsRepository.delete({
 					roleId: roleId,
 					userId: userId,
@@ -403,8 +400,7 @@ export class RoleService implements OnApplicationShutdown {
 		}
 
 		const created = await this.roleAssignmentsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(now),
-			createdAt: now,
 			expiresAt: expiresAt,
 			roleId: roleId,
 			userId: userId,
@@ -485,8 +481,7 @@ export class RoleService implements OnApplicationShutdown {
 	public async create(values: Partial<MiRole>, moderator?: MiUser): Promise<MiRole> {
 		const date = new Date();
 		const created = await this.rolesRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(date.getTime()),
-			createdAt: date,
 			updatedAt: date,
 			lastUsedAt: date,
 			name: values.name,

packages/backend/src/core/SearchService.ts

@@ -131,7 +131,7 @@ export class SearchService {
 
 			await this.meilisearchNoteIndex?.addDocuments([{
 				id: note.id,
-				createdAt: note.createdAt.getTime(),
+				createdAt: this.idService.parse(note.id).date.getTime(),
 				userId: note.userId,
 				userHost: note.userHost,
 				channelId: note.channelId,

packages/backend/src/core/SignupService.ts

@@ -120,8 +120,7 @@ export class SignupService {
 			if (exist) throw new Error(' the username is already used');
 
 			account = await transactionalEntityManager.save(new MiUser({
-				id: this.idService.genId(),
+				id: this.idService.gen(),
-				createdAt: new Date(),
 				username: username,
 				usernameLower: username.toLowerCase(),
 				host: this.utilityService.toPunyNullable(host),

packages/backend/src/core/UserBlockingService.ts

@@ -68,8 +68,7 @@ export class UserBlockingService implements OnModuleInit {
 		]);
 
 		const blocking = {
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			blocker,
 			blockerId: blocker.id,
 			blockee,

packages/backend/src/core/UserFollowingService.ts

@@ -196,8 +196,7 @@ export class UserFollowingService implements OnModuleInit {
 		let alreadyFollowed = false as boolean;
 
 		await this.followingsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			followerId: follower.id,
 			followeeId: followee.id,
 
@@ -465,8 +464,7 @@ export class UserFollowingService implements OnModuleInit {
 		if (blocked) throw new Error('blocked');
 
 		const followRequest = await this.followRequestsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			followerId: follower.id,
 			followeeId: followee.id,
 			requestId,

packages/backend/src/core/UserListService.ts

@@ -93,8 +93,7 @@ export class UserListService implements OnApplicationShutdown {
 		}
 
 		await this.userListMembershipsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			userId: target.id,
 			userListId: list.id,
 			userListUserId: list.userId,

packages/backend/src/core/UserMutingService.ts

@@ -26,8 +26,7 @@ export class UserMutingService {
 	@bindThis
 	public async mute(user: MiUser, target: MiUser, expiresAt: Date | null = null): Promise<void> {
 		await this.mutingsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			expiresAt: expiresAt ?? null,
 			muterId: user.id,
 			muteeId: target.id,

packages/backend/src/core/WebhookService.ts

@@ -51,7 +51,6 @@ export class WebhookService implements OnApplicationShutdown {
 					if (body.active) {
 						this.webhooks.push({
 							...body,
-							createdAt: new Date(body.createdAt),
 							latestSentAt: body.latestSentAt ? new Date(body.latestSentAt) : null,
 						});
 					}
@@ -62,13 +61,11 @@ export class WebhookService implements OnApplicationShutdown {
 						if (i > -1) {
 							this.webhooks[i] = {
 								...body,
-								createdAt: new Date(body.createdAt),
 								latestSentAt: body.latestSentAt ? new Date(body.latestSentAt) : null,
 							};
 						} else {
 							this.webhooks.push({
 								...body,
-								createdAt: new Date(body.createdAt),
 								latestSentAt: body.latestSentAt ? new Date(body.latestSentAt) : null,
 							});
 						}

packages/backend/src/core/activitypub/ApInboxService.ts

@@ -514,8 +514,7 @@ export class ApInboxService {
 		if (users.length < 1) return 'skip';
 
 		await this.abuseUserReportsRepository.insert({
-			id: this.idService.genId(),
+			id: this.idService.gen(),
-			createdAt: new Date(),
 			targetUserId: users[0].id,
 			targetUserHost: users[0].host,
 			reporterId: actor.id,

packages/backend/src/core/activitypub/ApRendererService.ts

@@ -27,6 +27,7 @@ import type { UsersRepository, UserProfilesRepository, NotesRepository, DriveFil
 import { bindThis } from '@/decorators.js';
 import { CustomEmojiService } from '@/core/CustomEmojiService.js';
 import { isNotNull } from '@/misc/is-not-null.js';
+import { IdService } from '@/core/IdService.js';
 import { LdSignatureService } from './LdSignatureService.js';
 import { ApMfmService } from './ApMfmService.js';
 import type { IAccept, IActivity, IAdd, IAnnounce, IApDocument, IApEmoji, IApHashtag, IApImage, IApMention, IBlock, ICreate, IDelete, IFlag, IFollow, IKey, ILike, IMove, IObject, IPost, IQuestion, IReject, IRemove, ITombstone, IUndo, IUpdate } from './type.js';
@@ -59,6 +60,7 @@ export class ApRendererService {
 		private userKeypairService: UserKeypairService,
 		private apMfmService: ApMfmService,
 		private mfmService: MfmService,
+		private idService: IdService,
 	) {
 	}
 
@@ -105,7 +107,7 @@ export class ApRendererService {
 			id: `${this.config.url}/notes/${note.id}/activity`,
 			actor: this.userEntityService.genLocalUserUri(note.userId),
 			type: 'Announce',
-			published: note.createdAt.toISOString(),
+			published: this.idService.parse(note.id).date.toISOString(),
 			to,
 			cc,
 			object,
@@ -137,7 +139,7 @@ export class ApRendererService {
 			id: `${this.config.url}/notes/${note.id}/activity`,
 			actor: this.userEntityService.genLocalUserUri(note.userId),
 			type: 'Create',
-			published: note.createdAt.toISOString(),
+			published: this.idService.parse(note.id).date.toISOString(),
 			object,
 		};
 
@@ -437,7 +439,7 @@ export class ApRendererService {
 			},
 			_misskey_quote: quote,
 			quoteUrl: quote,
-			published: note.createdAt.toISOString(),
+			published: this.idService.parse(note.id).date.toISOString(),
 			to,
 			cc,
 			inReplyTo,

packages/backend/src/core/activitypub/models/ApNoteService.ts

@@ -386,7 +386,7 @@ export class ApNoteService {
 			this.logger.info(`register emoji host=${host}, name=${name}`);
 
 			return await this.emojisRepository.insert({
-				id: this.idService.genId(),
+				id: this.idService.gen(),
 				host,
 				name,
 				uri: tag.id,

packages/backend/src/core/activitypub/models/ApPersonService.ts

@@ -295,10 +295,9 @@ export class ApPersonService implements OnModuleInit {
 			// Start transaction
 			await this.db.transaction(async transactionalEntityManager => {
 				user = await transactionalEntityManager.save(new MiUser({
-					id: this.idService.genId(),
+					id: this.idService.gen(),
 					avatarId: null,
 					bannerId: null,
-					createdAt: new Date(),
 					lastFetchedAt: new Date(),
 					name: truncate(person.name, nameLength),
 					isLocked: person.manuallyApprovesFollowers,
@@ -607,8 +606,7 @@ export class ApPersonService implements OnModuleInit {
 			for (const note of featuredNotes.filter((note): note is MiNote => note != null)) {
 				td -= 1000;
 				transactionalEntityManager.insert(MiUserNotePining, {
-					id: this.idService.genId(new Date(Date.now() + td)),
+					id: this.idService.gen(Date.now() + td),
-					createdAt: new Date(),
 					userId: user.id,
 					noteId: note.id,
 				});

packages/backend/src/core/chart/charts/active-users.ts

@@ -9,6 +9,7 @@ import { AppLockService } from '@/core/AppLockService.js';
 import type { MiUser } from '@/models/User.js';
 import { DI } from '@/di-symbols.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import Chart from '../core.js';
 import { ChartLoggerService } from '../ChartLoggerService.js';
 import { name, schema } from './entities/active-users.js';
@@ -29,6 +30,7 @@ export default class ActiveUsersChart extends Chart<typeof schema> { // eslint-d
 
 		private appLockService: AppLockService,
 		private chartLoggerService: ChartLoggerService,
+		private idService: IdService,
 	) {
 		super(db, (k) => appLockService.getChartInsertLock(k), chartLoggerService.logger, name, schema);
 	}
@@ -42,20 +44,21 @@ export default class ActiveUsersChart extends Chart<typeof schema> { // eslint-d
 	}
 
 	@bindThis
-	public async read(user: { id: MiUser['id'], host: null, createdAt: MiUser['createdAt'] }): Promise<void> {
+	public async read(user: { id: MiUser['id'], host: null }): Promise<void> {
+		const createdAt = this.idService.parse(user.id).date;
 		await this.commit({
 			'read': [user.id],
-			'registeredWithinWeek': (Date.now() - user.createdAt.getTime() < week) ? [user.id] : [],
+			'registeredWithinWeek': (Date.now() - createdAt.getTime() < week) ? [user.id] : [],
-			'registeredWithinMonth': (Date.now() - user.createdAt.getTime() < month) ? [user.id] : [],
+			'registeredWithinMonth': (Date.now() - createdAt.getTime() < month) ? [user.id] : [],
-			'registeredWithinYear': (Date.now() - user.createdAt.getTime() < year) ? [user.id] : [],
+			'registeredWithinYear': (Date.now() - createdAt.getTime() < year) ? [user.id] : [],
-			'registeredOutsideWeek': (Date.now() - user.createdAt.getTime() > week) ? [user.id] : [],
+			'registeredOutsideWeek': (Date.now() - createdAt.getTime() > week) ? [user.id] : [],
-			'registeredOutsideMonth': (Date.now() - user.createdAt.getTime() > month) ? [user.id] : [],
+			'registeredOutsideMonth': (Date.now() - createdAt.getTime() > month) ? [user.id] : [],
-			'registeredOutsideYear': (Date.now() - user.createdAt.getTime() > year) ? [user.id] : [],
+			'registeredOutsideYear': (Date.now() - createdAt.getTime() > year) ? [user.id] : [],
 		});
 	}
 
 	@bindThis
-	public async write(user: { id: MiUser['id'], host: null, createdAt: MiUser['createdAt'] }): Promise<void> {
+	public async write(user: { id: MiUser['id'], host: null }): Promise<void> {
 		await this.commit({
 			'write': [user.id],
 		});

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

@@ -9,6 +9,7 @@ import type { AbuseUserReportsRepository } from '@/models/_.js';
 import { awaitAll } from '@/misc/prelude/await-all.js';
 import type { MiAbuseUserReport } from '@/models/AbuseUserReport.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -18,6 +19,7 @@ export class AbuseUserReportEntityService {
 		private abuseUserReportsRepository: AbuseUserReportsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -29,7 +31,7 @@ export class AbuseUserReportEntityService {
 
 		return await awaitAll({
 			id: report.id,
-			createdAt: report.createdAt.toISOString(),
+			createdAt: this.idService.parse(report.id).date.toISOString(),
 			comment: report.comment,
 			resolved: report.resolved,
 			reporterId: report.reporterId,

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

@@ -9,12 +9,15 @@ import type { AntennasRepository } from '@/models/_.js';
 import type { Packed } from '@/misc/json-schema.js';
 import type { MiAntenna } from '@/models/Antenna.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 
 @Injectable()
 export class AntennaEntityService {
 	constructor(
 		@Inject(DI.antennasRepository)
 		private antennasRepository: AntennasRepository,
+
+		private idService: IdService,
 	) {
 	}
 
@@ -26,7 +29,7 @@ export class AntennaEntityService {
 
 		return {
 			id: antenna.id,
-			createdAt: antenna.createdAt.toISOString(),
+			createdAt: this.idService.parse(antenna.id).date.toISOString(),
 			name: antenna.name,
 			keywords: antenna.keywords,
 			excludeKeywords: antenna.excludeKeywords,

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

@@ -11,6 +11,7 @@ import type { Packed } from '@/misc/json-schema.js';
 import type { MiBlocking } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -20,6 +21,7 @@ export class BlockingEntityService {
 		private blockingsRepository: BlockingsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -32,7 +34,7 @@ export class BlockingEntityService {
 
 		return await awaitAll({
 			id: blocking.id,
-			createdAt: blocking.createdAt.toISOString(),
+			createdAt: this.idService.parse(blocking.id).date.toISOString(),
 			blockeeId: blocking.blockeeId,
 			blockee: this.userEntityService.pack(blocking.blockeeId, me, {
 				detail: true,

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

@@ -11,6 +11,7 @@ import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiChannel } from '@/models/Channel.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { DriveFileEntityService } from './DriveFileEntityService.js';
 import { NoteEntityService } from './NoteEntityService.js';
 import { In } from 'typeorm';
@@ -38,6 +39,7 @@ export class ChannelEntityService {
 
 		private noteEntityService: NoteEntityService,
 		private driveFileEntityService: DriveFileEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -81,7 +83,7 @@ export class ChannelEntityService {
 
 		return {
 			id: channel.id,
-			createdAt: channel.createdAt.toISOString(),
+			createdAt: this.idService.parse(channel.id).date.toISOString(),
 			lastNotedAt: channel.lastNotedAt ? channel.lastNotedAt.toISOString() : null,
 			name: channel.name,
 			description: channel.description,

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

@@ -11,6 +11,7 @@ import type { Packed } from '@/misc/json-schema.js';
 import type { } from '@/models/Blocking.js';
 import type { MiClip } from '@/models/Clip.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -23,6 +24,7 @@ export class ClipEntityService {
 		private clipFavoritesRepository: ClipFavoritesRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -36,7 +38,7 @@ export class ClipEntityService {
 
 		return await awaitAll({
 			id: clip.id,
-			createdAt: clip.createdAt.toISOString(),
+			createdAt: this.idService.parse(clip.id).date.toISOString(),
 			lastClippedAt: clip.lastClippedAt ? clip.lastClippedAt.toISOString() : null,
 			userId: clip.userId,
 			user: this.userEntityService.pack(clip.user ?? clip.userId),

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

@@ -17,6 +17,7 @@ import { deepClone } from '@/misc/clone.js';
 import { bindThis } from '@/decorators.js';
 import { isMimeImage } from '@/misc/is-mime-image.js';
 import { isNotNull } from '@/misc/is-not-null.js';
+import { IdService } from '@/core/IdService.js';
 import { UtilityService } from '../UtilityService.js';
 import { VideoProcessingService } from '../VideoProcessingService.js';
 import { UserEntityService } from './UserEntityService.js';
@@ -44,6 +45,7 @@ export class DriveFileEntityService {
 		private utilityService: UtilityService,
 		private driveFolderEntityService: DriveFolderEntityService,
 		private videoProcessingService: VideoProcessingService,
+		private idService: IdService,
 	) {
 	}
 
@@ -196,7 +198,7 @@ export class DriveFileEntityService {
 
 		return await awaitAll<Packed<'DriveFile'>>({
 			id: file.id,
-			createdAt: file.createdAt.toISOString(),
+			createdAt: this.idService.parse(file.id).date.toISOString(),
 			name: file.name,
 			type: file.type,
 			md5: file.md5,
@@ -231,7 +233,7 @@ export class DriveFileEntityService {
 
 		return await awaitAll<Packed<'DriveFile'>>({
 			id: file.id,
-			createdAt: file.createdAt.toISOString(),
+			createdAt: this.idService.parse(file.id).date.toISOString(),
 			name: file.name,
 			type: file.type,
 			md5: file.md5,

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

@@ -11,6 +11,7 @@ import type { Packed } from '@/misc/json-schema.js';
 import type { } from '@/models/Blocking.js';
 import type { MiDriveFolder } from '@/models/DriveFolder.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 
 @Injectable()
 export class DriveFolderEntityService {
@@ -20,6 +21,8 @@ export class DriveFolderEntityService {
 
 		@Inject(DI.driveFilesRepository)
 		private driveFilesRepository: DriveFilesRepository,
+
+		private idService: IdService,
 	) {
 	}
 
@@ -38,7 +41,7 @@ export class DriveFolderEntityService {
 
 		return await awaitAll({
 			id: folder.id,
-			createdAt: folder.createdAt.toISOString(),
+			createdAt: this.idService.parse(folder.id).date.toISOString(),
 			name: folder.name,
 			parentId: folder.parentId,
 

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

@@ -12,6 +12,7 @@ import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiFlash } from '@/models/Flash.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -24,6 +25,7 @@ export class FlashEntityService {
 		private flashLikesRepository: FlashLikesRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -37,7 +39,7 @@ export class FlashEntityService {
 
 		return await awaitAll({
 			id: flash.id,
-			createdAt: flash.createdAt.toISOString(),
+			createdAt: this.idService.parse(flash.id).date.toISOString(),
 			updatedAt: flash.updatedAt.toISOString(),
 			userId: flash.userId,
 			user: this.userEntityService.pack(flash.user ?? flash.userId, me), // { detail: true } すると無限ループするので注意

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

@@ -12,6 +12,7 @@ import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiFollowing } from '@/models/Following.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 type LocalFollowerFollowing = MiFollowing & {
@@ -45,6 +46,7 @@ export class FollowingEntityService {
 		private followingsRepository: FollowingsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -83,7 +85,7 @@ export class FollowingEntityService {
 
 		return await awaitAll({
 			id: following.id,
-			createdAt: following.createdAt.toISOString(),
+			createdAt: this.idService.parse(following.id).date.toISOString(),
 			followeeId: following.followeeId,
 			followerId: following.followerId,
 			followee: opts.populateFollowee ? this.userEntityService.pack(following.followee ?? following.followeeId, me, {

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

@@ -12,6 +12,7 @@ import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiGalleryPost } from '@/models/GalleryPost.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 import { DriveFileEntityService } from './DriveFileEntityService.js';
 
@@ -26,6 +27,7 @@ export class GalleryPostEntityService {
 
 		private userEntityService: UserEntityService,
 		private driveFileEntityService: DriveFileEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -39,7 +41,7 @@ export class GalleryPostEntityService {
 
 		return await awaitAll({
 			id: post.id,
-			createdAt: post.createdAt.toISOString(),
+			createdAt: this.idService.parse(post.id).date.toISOString(),
 			updatedAt: post.updatedAt.toISOString(),
 			userId: post.userId,
 			user: this.userEntityService.pack(post.user ?? post.userId, me),

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

@@ -11,6 +11,7 @@ import type { Packed } from '@/misc/json-schema.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiRegistrationTicket } from '@/models/RegistrationTicket.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -20,6 +21,7 @@ export class InviteCodeEntityService {
 		private registrationTicketsRepository: RegistrationTicketsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -39,7 +41,7 @@ export class InviteCodeEntityService {
 			id: target.id,
 			code: target.code,
 			expiresAt: target.expiresAt ? target.expiresAt.toISOString() : null,
-			createdAt: target.createdAt.toISOString(),
+			createdAt: this.idService.parse(target.id).date.toISOString(),
 			createdBy: target.createdBy ? await this.userEntityService.pack(target.createdBy, me) : null,
 			usedBy: target.usedBy ? await this.userEntityService.pack(target.usedBy, me) : null,
 			usedAt: target.usedAt ? target.usedAt.toISOString() : null,

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

@@ -10,6 +10,7 @@ import { awaitAll } from '@/misc/prelude/await-all.js';
 import type { } from '@/models/Blocking.js';
 import type { MiModerationLog } from '@/models/ModerationLog.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -19,6 +20,7 @@ export class ModerationLogEntityService {
 		private moderationLogsRepository: ModerationLogsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -30,7 +32,7 @@ export class ModerationLogEntityService {
 
 		return await awaitAll({
 			id: log.id,
-			createdAt: log.createdAt.toISOString(),
+			createdAt: this.idService.parse(log.id).date.toISOString(),
 			type: log.type,
 			info: log.info,
 			userId: log.userId,

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

@@ -12,6 +12,7 @@ import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiMuting } from '@/models/Muting.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -21,6 +22,7 @@ export class MutingEntityService {
 		private mutingsRepository: MutingsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -33,7 +35,7 @@ export class MutingEntityService {
 
 		return await awaitAll({
 			id: muting.id,
-			createdAt: muting.createdAt.toISOString(),
+			createdAt: this.idService.parse(muting.id).date.toISOString(),
 			expiresAt: muting.expiresAt ? muting.expiresAt.toISOString() : null,
 			muteeId: muting.muteeId,
 			mutee: this.userEntityService.pack(muting.muteeId, me, {

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

@@ -310,7 +310,7 @@ export class NoteEntityService implements OnModuleInit {
 
 		const packed: Packed<'Note'> = await awaitAll({
 			id: note.id,
-			createdAt: note.createdAt.toISOString(),
+			createdAt: this.idService.parse(note.id).date.toISOString(),
 			userId: note.userId,
 			user: this.userEntityService.pack(note.user ?? note.userId, me, {
 				detail: false,
@@ -386,7 +386,8 @@ export class NoteEntityService implements OnModuleInit {
 		if (meId) {
 			const renoteIds = notes.filter(n => n.renoteId != null).map(n => n.renoteId!);
 			// パフォーマンスのためノートが作成されてから2秒以上経っていない場合はリアクションを取得しない
-			const targets = [...notes.filter(n => n.createdAt.getTime() + 2000 < Date.now()).map(n => n.id), ...renoteIds];
+			const oldId = this.idService.gen(Date.now() - 2000);
+			const targets = [...notes.filter(n => n.id < oldId).map(n => n.id), ...renoteIds];
 			const myReactions = await this.noteReactionsRepository.findBy({
 				userId: meId,
 				noteId: In(targets),

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

@@ -10,6 +10,7 @@ import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiNoteFavorite } from '@/models/NoteFavorite.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { NoteEntityService } from './NoteEntityService.js';
 
 @Injectable()
@@ -19,6 +20,7 @@ export class NoteFavoriteEntityService {
 		private noteFavoritesRepository: NoteFavoritesRepository,
 
 		private noteEntityService: NoteEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -31,7 +33,7 @@ export class NoteFavoriteEntityService {
 
 		return {
 			id: favorite.id,
-			createdAt: favorite.createdAt.toISOString(),
+			createdAt: this.idService.parse(favorite.id).date.toISOString(),
 			noteId: favorite.noteId,
 			note: await this.noteEntityService.pack(favorite.note ?? favorite.noteId, me),
 		};

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

@@ -8,6 +8,7 @@ import { DI } from '@/di-symbols.js';
 import type { NoteReactionsRepository } from '@/models/_.js';
 import type { Packed } from '@/misc/json-schema.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import type { OnModuleInit } from '@nestjs/common';
 import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
@@ -22,6 +23,7 @@ export class NoteReactionEntityService implements OnModuleInit {
 	private userEntityService: UserEntityService;
 	private noteEntityService: NoteEntityService;
 	private reactionService: ReactionService;
+	private idService: IdService;
 
 	constructor(
 		private moduleRef: ModuleRef,
@@ -32,6 +34,7 @@ export class NoteReactionEntityService implements OnModuleInit {
 		//private userEntityService: UserEntityService,
 		//private noteEntityService: NoteEntityService,
 		//private reactionService: ReactionService,
+		//private idService: IdService,
 	) {
 	}
 
@@ -39,6 +42,7 @@ export class NoteReactionEntityService implements OnModuleInit {
 		this.userEntityService = this.moduleRef.get('UserEntityService');
 		this.noteEntityService = this.moduleRef.get('NoteEntityService');
 		this.reactionService = this.moduleRef.get('ReactionService');
+		this.idService = this.moduleRef.get('IdService');
 	}
 
 	@bindThis
@@ -57,7 +61,7 @@ export class NoteReactionEntityService implements OnModuleInit {
 
 		return {
 			id: reaction.id,
-			createdAt: reaction.createdAt.toISOString(),
+			createdAt: this.idService.parse(reaction.id).date.toISOString(),
 			user: await this.userEntityService.pack(reaction.user ?? reaction.userId, me),
 			type: this.reactionService.convertLegacyReaction(reaction.reaction),
 			...(opts.withNote ? {

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

@@ -13,6 +13,7 @@ import type { MiUser } from '@/models/User.js';
 import type { MiPage } from '@/models/Page.js';
 import type { MiDriveFile } from '@/models/DriveFile.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 import { DriveFileEntityService } from './DriveFileEntityService.js';
 
@@ -30,6 +31,7 @@ export class PageEntityService {
 
 		private userEntityService: UserEntityService,
 		private driveFileEntityService: DriveFileEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -85,7 +87,7 @@ export class PageEntityService {
 
 		return await awaitAll({
 			id: page.id,
-			createdAt: page.createdAt.toISOString(),
+			createdAt: this.idService.parse(page.id).date.toISOString(),
 			updatedAt: page.updatedAt.toISOString(),
 			userId: page.userId,
 			user: this.userEntityService.pack(page.user ?? page.userId, me), // { detail: true } すると無限ループするので注意

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

@@ -12,6 +12,7 @@ import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiRenoteMuting } from '@/models/RenoteMuting.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -21,6 +22,7 @@ export class RenoteMutingEntityService {
 		private renoteMutingsRepository: RenoteMutingsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -33,7 +35,7 @@ export class RenoteMutingEntityService {
 
 		return await awaitAll({
 			id: muting.id,
-			createdAt: muting.createdAt.toISOString(),
+			createdAt: this.idService.parse(muting.id).date.toISOString(),
 			muteeId: muting.muteeId,
 			mutee: this.userEntityService.pack(muting.muteeId, me, {
 				detail: true,

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

@@ -12,6 +12,7 @@ import type { MiUser } from '@/models/User.js';
 import type { MiRole } from '@/models/Role.js';
 import { bindThis } from '@/decorators.js';
 import { DEFAULT_POLICIES } from '@/core/RoleService.js';
+import { IdService } from '@/core/IdService.js';
 
 @Injectable()
 export class RoleEntityService {
@@ -21,6 +22,8 @@ export class RoleEntityService {
 
 		@Inject(DI.roleAssignmentsRepository)
 		private roleAssignmentsRepository: RoleAssignmentsRepository,
+
+		private idService: IdService,
 	) {
 	}
 
@@ -51,7 +54,7 @@ export class RoleEntityService {
 
 		return await awaitAll({
 			id: role.id,
-			createdAt: role.createdAt.toISOString(),
+			createdAt: this.idService.parse(role.id).date.toISOString(),
 			updatedAt: role.updatedAt.toISOString(),
 			name: role.name,
 			description: role.description,

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

@@ -20,6 +20,7 @@ import { bindThis } from '@/decorators.js';
 import { RoleService } from '@/core/RoleService.js';
 import { ApPersonService } from '@/core/activitypub/models/ApPersonService.js';
 import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
+import { IdService } from '@/core/IdService.js';
 import type { OnModuleInit } from '@nestjs/common';
 import type { AnnouncementService } from '../AnnouncementService.js';
 import type { CustomEmojiService } from '../CustomEmojiService.js';
@@ -60,6 +61,7 @@ export class UserEntityService implements OnModuleInit {
 	private announcementService: AnnouncementService;
 	private roleService: RoleService;
 	private federatedInstanceService: FederatedInstanceService;
+	private idService: IdService;
 
 	constructor(
 		private moduleRef: ModuleRef,
@@ -111,13 +113,6 @@ export class UserEntityService implements OnModuleInit {
 
 		@Inject(DI.userMemosRepository)
 		private userMemosRepository: UserMemoRepository,
-
-		//private noteEntityService: NoteEntityService,
-		//private driveFileEntityService: DriveFileEntityService,
-		//private pageEntityService: PageEntityService,
-		//private customEmojiService: CustomEmojiService,
-		//private antennaService: AntennaService,
-		//private roleService: RoleService,
 	) {
 	}
 
@@ -130,6 +125,7 @@ export class UserEntityService implements OnModuleInit {
 		this.announcementService = this.moduleRef.get('AnnouncementService');
 		this.roleService = this.moduleRef.get('RoleService');
 		this.federatedInstanceService = this.moduleRef.get('FederatedInstanceService');
+		this.idService = this.moduleRef.get('IdService');
 	}
 
 	//#region Validators
@@ -364,7 +360,7 @@ export class UserEntityService implements OnModuleInit {
 					? Promise.all(user.alsoKnownAs.map(uri => this.apPersonService.fetchPerson(uri).then(user => user?.id).catch(() => null)))
 						.then(xs => xs.length === 0 ? null : xs.filter(x => x != null) as string[])
 					: null,
-				createdAt: user.createdAt.toISOString(),
+				createdAt: this.idService.parse(user.id).date.toISOString(),
 				updatedAt: user.updatedAt ? user.updatedAt.toISOString() : null,
 				lastFetchedAt: user.lastFetchedAt ? user.lastFetchedAt.toISOString() : null,
 				bannerUrl: user.bannerUrl,

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

@@ -10,6 +10,7 @@ import type { Packed } from '@/misc/json-schema.js';
 import type { } from '@/models/Blocking.js';
 import type { MiUserList } from '@/models/UserList.js';
 import { bindThis } from '@/decorators.js';
+import { IdService } from '@/core/IdService.js';
 import { UserEntityService } from './UserEntityService.js';
 
 @Injectable()
@@ -22,6 +23,7 @@ export class UserListEntityService {
 		private userListMembershipsRepository: UserListMembershipsRepository,
 
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 	}
 
@@ -37,7 +39,7 @@ export class UserListEntityService {
 
 		return {
 			id: userList.id,
-			createdAt: userList.createdAt.toISOString(),
+			createdAt: this.idService.parse(userList.id).date.toISOString(),
 			name: userList.name,
 			userIds: users.map(x => x.userId),
 			isPublic: userList.isPublic,
@@ -50,7 +52,7 @@ export class UserListEntityService {
 	) {
 		return Promise.all(memberships.map(async x => ({
 			id: x.id,
-			createdAt: x.createdAt.toISOString(),
+			createdAt: this.idService.parse(x.id).date.toISOString(),
 			userId: x.userId,
 			user: await this.userEntityService.pack(x.userId),
 			withReplies: x.withReplies,

packages/backend/src/misc/id/aid.ts

@@ -24,8 +24,7 @@ function getNoise(): string {
 	return counter.toString(36).padStart(2, '0').slice(-2);
 }
 
-export function genAid(date: Date): string {
+export function genAid(t: number): string {
-	const t = date.getTime();
 	if (isNaN(t)) throw new Error('Failed to create AID: Invalid Date');
 	counter++;
 	return getTime(t) + getNoise();

packages/backend/src/misc/id/aidx.ts

@@ -31,8 +31,7 @@ function getNoise(): string {
 	return counter.toString(36).padStart(NOISE_LENGTH, '0').slice(-NOISE_LENGTH);
 }
 
-export function genAidx(date: Date): string {
+export function genAidx(t: number): string {
-	const t = date.getTime();
 	if (isNaN(t)) throw new Error('Failed to create AIDX: Invalid Date');
 	counter++;
 	return getTime(t) + nodeId + getNoise();

packages/backend/src/misc/id/meid.ts

@@ -29,8 +29,8 @@ function getRandom() {
 	return str;
 }
 
-export function genMeid(date: Date): string {
+export function genMeid(t: number): string {
-	return getTime(date.getTime()) + getRandom();
+	return getTime(t) + getRandom();
 }
 
 export function parseMeid(id: string): { date: Date; } {

packages/backend/src/misc/id/meidg.ts

@@ -29,8 +29,8 @@ function getRandom() {
 	return str;
 }
 
-export function genMeidg(date: Date): string {
+export function genMeidg(t: number): string {
-	return 'g' + getTime(date.getTime()) + getRandom();
+	return 'g' + getTime(t) + getRandom();
 }
 
 export function parseMeidg(id: string): { date: Date; } {

packages/backend/src/misc/id/object-id.ts

@@ -29,8 +29,8 @@ function getRandom() {
 	return str;
 }
 
-export function genObjectId(date: Date): string {
+export function genObjectId(t: number): string {
-	return getTime(date.getTime()) + getRandom();
+	return getTime(t) + getRandom();
 }
 
 export function parseObjectId(id: string): { date: Date; } {

packages/backend/src/models/AbuseUserReport.ts

@@ -12,12 +12,6 @@ export class MiAbuseUserReport {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the AbuseUserReport.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public targetUserId: MiUser['id'];

packages/backend/src/models/AccessToken.ts

@@ -13,11 +13,6 @@ export class MiAccessToken {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the AccessToken.',
-	})
-	public createdAt: Date;
-
 	@Column('timestamp with time zone', {
 		nullable: true,
 	})

packages/backend/src/models/Ad.ts

@@ -11,12 +11,6 @@ export class MiAd {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Ad.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		comment: 'The expired date of the Ad.',

packages/backend/src/models/Announcement.ts

@@ -12,12 +12,6 @@ export class MiAnnouncement {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Announcement.',
-	})
-	public createdAt: Date;
-
 	@Column('timestamp with time zone', {
 		comment: 'The updated date of the Announcement.',
 		nullable: true,

packages/backend/src/models/AnnouncementRead.ts

@@ -14,11 +14,6 @@ export class MiAnnouncementRead {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the AnnouncementRead.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/Antenna.ts

@@ -13,11 +13,6 @@ export class MiAntenna {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Antenna.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone')
 	public lastUsedAt: Date;

packages/backend/src/models/App.ts

@@ -12,12 +12,6 @@ export class MiApp {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the App.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/AuthSession.ts

@@ -13,11 +13,6 @@ export class MiAuthSession {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the AuthSession.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('varchar', {
 		length: 128,

packages/backend/src/models/Blocking.ts

@@ -13,12 +13,6 @@ export class MiBlocking {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Blocking.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/Channel.ts

@@ -13,12 +13,6 @@ export class MiChannel {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Channel.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		nullable: true,

packages/backend/src/models/ChannelFavorite.ts

@@ -14,12 +14,6 @@ export class MiChannelFavorite {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the ChannelFavorite.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/ChannelFollowing.ts

@@ -14,12 +14,6 @@ export class MiChannelFollowing {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the ChannelFollowing.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/Clip.ts

@@ -12,11 +12,6 @@ export class MiClip {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Clip.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		nullable: true,

packages/backend/src/models/ClipFavorite.ts

@@ -14,9 +14,6 @@ export class MiClipFavorite {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone')
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/DriveFile.ts

@@ -14,12 +14,6 @@ export class MiDriveFile {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the DriveFile.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/DriveFolder.ts

@@ -12,12 +12,6 @@ export class MiDriveFolder {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the DriveFolder.',
-	})
-	public createdAt: Date;
-
 	@Column('varchar', {
 		length: 128,
 		comment: 'The name of the DriveFolder.',

packages/backend/src/models/Flash.ts

@@ -12,12 +12,6 @@ export class MiFlash {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Flash.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		comment: 'The updated date of the Flash.',

packages/backend/src/models/FlashLike.ts

@@ -14,9 +14,6 @@ export class MiFlashLike {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone')
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/FollowRequest.ts

@@ -13,11 +13,6 @@ export class MiFollowRequest {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the FollowRequest.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/Following.ts

@@ -14,12 +14,6 @@ export class MiFollowing {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Following.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/GalleryLike.ts

@@ -14,9 +14,6 @@ export class MiGalleryLike {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone')
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/GalleryPost.ts

@@ -13,12 +13,6 @@ export class MiGalleryPost {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the GalleryPost.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		comment: 'The updated date of the GalleryPost.',

packages/backend/src/models/ModerationLog.ts

@@ -12,11 +12,6 @@ export class MiModerationLog {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the ModerationLog.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/Muting.ts

@@ -13,12 +13,6 @@ export class MiMuting {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Muting.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		nullable: true,

packages/backend/src/models/Note.ts

@@ -18,11 +18,6 @@ export class MiNote {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Note.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/NoteFavorite.ts

@@ -14,11 +14,6 @@ export class MiNoteFavorite {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the NoteFavorite.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/NoteReaction.ts

@@ -14,11 +14,6 @@ export class MiNoteReaction {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the NoteReaction.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/NoteThreadMuting.ts

@@ -13,10 +13,6 @@ export class MiNoteThreadMuting {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/Page.ts

@@ -14,12 +14,6 @@ export class MiPage {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Page.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		comment: 'The updated date of the Page.',

packages/backend/src/models/PageLike.ts

@@ -14,9 +14,6 @@ export class MiPageLike {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone')
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/PasswordResetRequest.ts

@@ -12,9 +12,6 @@ export class MiPasswordResetRequest {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone')
-	public createdAt: Date;
-
 	@Index({ unique: true })
 	@Column('varchar', {
 		length: 256,

packages/backend/src/models/PollVote.ts

@@ -14,12 +14,6 @@ export class MiPollVote {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the PollVote.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/PromoRead.ts

@@ -14,11 +14,6 @@ export class MiPromoRead {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the PromoRead.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/RegistrationTicket.ts

@@ -23,9 +23,6 @@ export class MiRegistrationTicket {
 	})
 	public expiresAt: Date | null;
 
-	@Column('timestamp with time zone')
-	public createdAt: Date;
-
 	@ManyToOne(type => MiUser, {
 		onDelete: 'CASCADE',
 	})

packages/backend/src/models/RegistryItem.ts

@@ -13,11 +13,6 @@ export class MiRegistryItem {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the RegistryItem.',
-	})
-	public createdAt: Date;
-
 	@Column('timestamp with time zone', {
 		comment: 'The updated date of the RegistryItem.',
 	})

packages/backend/src/models/RenoteMuting.ts

@@ -13,12 +13,6 @@ export class MiRenoteMuting {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Muting.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/Role.ts

@@ -89,11 +89,6 @@ export class MiRole {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Role.',
-	})
-	public createdAt: Date;
-
 	@Column('timestamp with time zone', {
 		comment: 'The updated date of the Role.',
 	})

packages/backend/src/models/RoleAssignment.ts

@@ -14,11 +14,6 @@ export class MiRoleAssignment {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the RoleAssignment.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column({
 		...id(),

packages/backend/src/models/Signin.ts

@@ -12,11 +12,6 @@ export class MiSignin {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the Signin.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/SwSubscription.ts

@@ -12,9 +12,6 @@ export class MiSwSubscription {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Column('timestamp with time zone')
-	public createdAt: Date;
-
 	@Index()
 	@Column(id())
 	public userId: MiUser['id'];

packages/backend/src/models/User.ts

@@ -13,12 +13,6 @@ export class MiUser {
 	@PrimaryColumn(id())
 	public id: string;
 
-	@Index()
-	@Column('timestamp with time zone', {
-		comment: 'The created date of the User.',
-	})
-	public createdAt: Date;
-
 	@Index()
 	@Column('timestamp with time zone', {
 		nullable: true,