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

52 files changed, 82 insertions, 96 deletions

diff --git a/packages/backend/src/server/api/endpoints/admin/ad/create.ts b/packages/backend/src/server/api/endpoints/admin/ad/create.ts
index e48dffecf4..17f792639b 100644
--- a/packages/backend/src/server/api/endpoints/admin/ad/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/ad/create.ts
@@ -44,8 +44,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const ad = await this.adsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				expiresAt: new Date(ps.expiresAt),
 				startsAt: new Date(ps.startsAt),
 				dayOfWeek: ps.dayOfWeek,
diff --git a/packages/backend/src/server/api/endpoints/admin/announcements/create.ts b/packages/backend/src/server/api/endpoints/admin/announcements/create.ts
index 262b36b9a4..253a29cf5a 100644
--- a/packages/backend/src/server/api/endpoints/admin/announcements/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/announcements/create.ts
@@ -71,7 +71,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const { raw, packed } = await this.announcementService.create({
-				createdAt: new Date(),
 				updatedAt: null,
 				title: ps.title,
 				text: ps.text,
diff --git a/packages/backend/src/server/api/endpoints/admin/announcements/list.ts b/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
index c82e702eef..fefc379c00 100644
--- a/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
+++ b/packages/backend/src/server/api/endpoints/admin/announcements/list.ts
@@ -9,6 +9,7 @@ import type { MiAnnouncement } from '@/models/Announcement.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { QueryService } from '@/core/QueryService.js';
 import { DI } from '@/di-symbols.js';
+import { IdService } from '@/core/IdService.js';
 
 export const meta = {
 	tags: ['admin'],
@@ -81,6 +82,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private announcementReadsRepository: AnnouncementReadsRepository,
 
 		private queryService: QueryService,
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const query = this.queryService.makePaginationQuery(this.announcementsRepository.createQueryBuilder('announcement'), ps.sinceId, ps.untilId);
@@ -102,7 +104,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			return announcements.map(announcement => ({
 				id: announcement.id,
-				createdAt: announcement.createdAt.toISOString(),
+				createdAt: this.idService.parse(announcement.id).date.toISOString(),
 				updatedAt: announcement.updatedAt?.toISOString() ?? null,
 				title: announcement.title,
 				text: announcement.text,
diff --git a/packages/backend/src/server/api/endpoints/admin/drive/show-file.ts b/packages/backend/src/server/api/endpoints/admin/drive/show-file.ts
index 7fb5342f8d..4e5320007e 100644
--- a/packages/backend/src/server/api/endpoints/admin/drive/show-file.ts
+++ b/packages/backend/src/server/api/endpoints/admin/drive/show-file.ts
@@ -8,6 +8,7 @@ import type { DriveFilesRepository, UsersRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { DI } from '@/di-symbols.js';
 import { RoleService } from '@/core/RoleService.js';
+import { IdService } from '@/core/IdService.js';
 import { ApiError } from '../../../error.js';
 
 export const meta = {
@@ -163,6 +164,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private usersRepository: UsersRepository,
 
 		private roleService: RoleService,
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const file = ps.fileId ? await this.driveFilesRepository.findOneBy({ id: ps.fileId }) : await this.driveFilesRepository.findOne({
@@ -212,7 +214,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				type: file.type,
 				name: file.name,
 				md5: file.md5,
-				createdAt: file.createdAt.toISOString(),
+				createdAt: this.idService.parse(file.id).date.toISOString(),
 				requestIp: iAmModerator ? file.requestIp : null,
 				requestHeaders: iAmModerator && !ownerIsModerator ? file.requestHeaders : null,
 			};
diff --git a/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts b/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts
index c5f986ff02..a65e4e7624 100644
--- a/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts
+++ b/packages/backend/src/server/api/endpoints/admin/emoji/copy.ts
@@ -79,7 +79,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const copied = await this.emojisRepository.insert({
-				id: this.idService.genId(),
+				id: this.idService.gen(),
 				updatedAt: new Date(),
 				name: emoji.name,
 				host: null,
diff --git a/packages/backend/src/server/api/endpoints/admin/get-user-ips.ts b/packages/backend/src/server/api/endpoints/admin/get-user-ips.ts
index cf94c998fa..7b807e848b 100644
--- a/packages/backend/src/server/api/endpoints/admin/get-user-ips.ts
+++ b/packages/backend/src/server/api/endpoints/admin/get-user-ips.ts
@@ -7,6 +7,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import type { UserIpsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { DI } from '@/di-symbols.js';
+import { IdService } from '@/core/IdService.js';
 
 export const meta = {
 	tags: ['admin'],
@@ -28,17 +29,19 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	constructor(
 		@Inject(DI.userIpsRepository)
 		private userIpsRepository: UserIpsRepository,
+
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const ips = await this.userIpsRepository.find({
 				where: { userId: ps.userId },
-				order: { createdAt: 'DESC' },
+				order: { id: 'DESC' },
 				take: 30,
 			});
 
 			return ips.map(x => ({
 				ip: x.ip,
-				createdAt: x.createdAt.toISOString(),
+				createdAt: this.idService.parse(x.id).date.toISOString(),
 			}));
 		});
 	}
diff --git a/packages/backend/src/server/api/endpoints/admin/invite/create.ts b/packages/backend/src/server/api/endpoints/admin/invite/create.ts
index 2cc5ab6e35..4a22fd4824 100644
--- a/packages/backend/src/server/api/endpoints/admin/invite/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/invite/create.ts
@@ -72,8 +72,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			for (let i = 0; i < ps.count; i++) {
 				ticketsPromises.push(this.registrationTicketsRepository.insert({
-					id: this.idService.genId(),
-					createdAt: new Date(),
+					id: this.idService.gen(),
 					expiresAt: ps.expiresAt ? new Date(ps.expiresAt) : null,
 					code: generateInviteCode(),
 				}).then(x => this.registrationTicketsRepository.findOneByOrFail(x.identifiers[0])));
diff --git a/packages/backend/src/server/api/endpoints/admin/roles/users.ts b/packages/backend/src/server/api/endpoints/admin/roles/users.ts
index ef5627bc9a..b7f9aa0495 100644
--- a/packages/backend/src/server/api/endpoints/admin/roles/users.ts
+++ b/packages/backend/src/server/api/endpoints/admin/roles/users.ts
@@ -10,6 +10,7 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import { QueryService } from '@/core/QueryService.js';
 import { DI } from '@/di-symbols.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { IdService } from '@/core/IdService.js';
 import { ApiError } from '../../../error.js';
 
 export const meta = {
@@ -49,6 +50,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 		private queryService: QueryService,
 		private userEntityService: UserEntityService,
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const role = await this.rolesRepository.findOneBy({
@@ -74,7 +76,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			return await Promise.all(assigns.map(async assign => ({
 				id: assign.id,
-				createdAt: assign.createdAt,
+				createdAt: this.idService.parse(assign.id).date.toISOString(),
 				user: await this.userEntityService.pack(assign.user!, me, { detail: true }),
 				expiresAt: assign.expiresAt,
 			})));
diff --git a/packages/backend/src/server/api/endpoints/admin/show-user.ts b/packages/backend/src/server/api/endpoints/admin/show-user.ts
index 0731413d05..f550c4fd28 100644
--- a/packages/backend/src/server/api/endpoints/admin/show-user.ts
+++ b/packages/backend/src/server/api/endpoints/admin/show-user.ts
@@ -9,6 +9,7 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import { DI } from '@/di-symbols.js';
 import { RoleService } from '@/core/RoleService.js';
 import { RoleEntityService } from '@/core/entities/RoleEntityService.js';
+import { IdService } from '@/core/IdService.js';
 
 export const meta = {
 	tags: ['admin'],
@@ -44,6 +45,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 		private roleService: RoleService,
 		private roleEntityService: RoleEntityService,
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const [user, profile] = await Promise.all([
@@ -92,7 +94,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				policies: await this.roleService.getUserPolicies(user.id),
 				roles: await this.roleEntityService.packMany(roles, me),
 				roleAssigns: roleAssigns.map(a => ({
-					createdAt: a.createdAt.toISOString(),
+					createdAt: this.idService.parse(a.id).date.toISOString(),
 					expiresAt: a.expiresAt ? a.expiresAt.toISOString() : null,
 					roleId: a.roleId,
 				})),
diff --git a/packages/backend/src/server/api/endpoints/antennas/create.ts b/packages/backend/src/server/api/endpoints/antennas/create.ts
index 15fca4904d..687893398e 100644
--- a/packages/backend/src/server/api/endpoints/antennas/create.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/create.ts
@@ -112,8 +112,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			const now = new Date();
 
 			const antenna = await this.antennasRepository.insert({
-				id: this.idService.genId(),
-				createdAt: now,
+				id: this.idService.gen(now.getTime()),
 				lastUsedAt: now,
 				userId: me.id,
 				name: ps.name,
diff --git a/packages/backend/src/server/api/endpoints/antennas/notes.ts b/packages/backend/src/server/api/endpoints/antennas/notes.ts
index 6d69971e30..ff96411f3b 100644
--- a/packages/backend/src/server/api/endpoints/antennas/notes.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/notes.ts
@@ -73,8 +73,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 
 			const antenna = await this.antennasRepository.findOneBy({
 				id: ps.antennaId,
diff --git a/packages/backend/src/server/api/endpoints/app/create.ts b/packages/backend/src/server/api/endpoints/app/create.ts
index cb00221506..f89d9823ba 100644
--- a/packages/backend/src/server/api/endpoints/app/create.ts
+++ b/packages/backend/src/server/api/endpoints/app/create.ts
@@ -55,8 +55,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create account
 			const app = await this.appsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me ? me.id : null,
 				name: ps.name,
 				description: ps.description,
diff --git a/packages/backend/src/server/api/endpoints/auth/accept.ts b/packages/backend/src/server/api/endpoints/auth/accept.ts
index 1b1893fd94..e0baeb3565 100644
--- a/packages/backend/src/server/api/endpoints/auth/accept.ts
+++ b/packages/backend/src/server/api/endpoints/auth/accept.ts
@@ -80,8 +80,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				const now = new Date();
 
 				await this.accessTokensRepository.insert({
-					id: this.idService.genId(),
-					createdAt: now,
+					id: this.idService.gen(now.getTime()),
 					lastUsedAt: now,
 					appId: session.appId,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/auth/session/generate.ts b/packages/backend/src/server/api/endpoints/auth/session/generate.ts
index 8b6a2c213d..6e474c59e0 100644
--- a/packages/backend/src/server/api/endpoints/auth/session/generate.ts
+++ b/packages/backend/src/server/api/endpoints/auth/session/generate.ts
@@ -79,8 +79,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create session token document
 			const doc = await this.authSessionsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				appId: app.id,
 				token: token,
 			}).then(x => this.authSessionsRepository.findOneByOrFail(x.identifiers[0]));
diff --git a/packages/backend/src/server/api/endpoints/channels/create.ts b/packages/backend/src/server/api/endpoints/channels/create.ts
index e72120e156..3ba411d28c 100644
--- a/packages/backend/src/server/api/endpoints/channels/create.ts
+++ b/packages/backend/src/server/api/endpoints/channels/create.ts
@@ -80,8 +80,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const channel = await this.channelsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me.id,
 				name: ps.name,
 				description: ps.description ?? null,
diff --git a/packages/backend/src/server/api/endpoints/channels/favorite.ts b/packages/backend/src/server/api/endpoints/channels/favorite.ts
index 1f78a86dd4..c175718919 100644
--- a/packages/backend/src/server/api/endpoints/channels/favorite.ts
+++ b/packages/backend/src/server/api/endpoints/channels/favorite.ts
@@ -57,8 +57,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			await this.channelFavoritesRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me.id,
 				channelId: channel.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/channels/follow.ts b/packages/backend/src/server/api/endpoints/channels/follow.ts
index 5a43e8be1b..76ec6be805 100644
--- a/packages/backend/src/server/api/endpoints/channels/follow.ts
+++ b/packages/backend/src/server/api/endpoints/channels/follow.ts
@@ -57,8 +57,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			await this.channelFollowingsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				followerId: me.id,
 				followeeId: channel.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/channels/timeline.ts b/packages/backend/src/server/api/endpoints/channels/timeline.ts
index 2dfcf659d7..9c39d0ed86 100644
--- a/packages/backend/src/server/api/endpoints/channels/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/channels/timeline.ts
@@ -74,8 +74,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private activeUsersChart: ActiveUsersChart,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 			const isRangeSpecified = untilId != null && sinceId != null;
 
 			const channel = await this.channelsRepository.findOneBy({
diff --git a/packages/backend/src/server/api/endpoints/clips/favorite.ts b/packages/backend/src/server/api/endpoints/clips/favorite.ts
index 6cd34f0a54..015b2cfa85 100644
--- a/packages/backend/src/server/api/endpoints/clips/favorite.ts
+++ b/packages/backend/src/server/api/endpoints/clips/favorite.ts
@@ -74,8 +74,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			await this.clipFavoritesRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				clipId: clip.id,
 				userId: me.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/drive/folders/create.ts b/packages/backend/src/server/api/endpoints/drive/folders/create.ts
index bc3a9bbe21..d18199f19b 100644
--- a/packages/backend/src/server/api/endpoints/drive/folders/create.ts
+++ b/packages/backend/src/server/api/endpoints/drive/folders/create.ts
@@ -76,8 +76,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create folder
 			const folder = await this.driveFoldersRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				name: ps.name,
 				parentId: parent !== null ? parent.id : null,
 				userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/flash/create.ts b/packages/backend/src/server/api/endpoints/flash/create.ts
index b46660d218..4fa65ac9aa 100644
--- a/packages/backend/src/server/api/endpoints/flash/create.ts
+++ b/packages/backend/src/server/api/endpoints/flash/create.ts
@@ -53,9 +53,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const flash = await this.flashsRepository.insert({
-				id: this.idService.genId(),
+				id: this.idService.gen(),
 				userId: me.id,
-				createdAt: new Date(),
 				updatedAt: new Date(),
 				title: ps.title,
 				summary: ps.summary,
diff --git a/packages/backend/src/server/api/endpoints/flash/like.ts b/packages/backend/src/server/api/endpoints/flash/like.ts
index a90e5f653a..1003249c0c 100644
--- a/packages/backend/src/server/api/endpoints/flash/like.ts
+++ b/packages/backend/src/server/api/endpoints/flash/like.ts
@@ -83,8 +83,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create like
 			await this.flashLikesRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				flashId: flash.id,
 				userId: me.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/gallery/posts/create.ts b/packages/backend/src/server/api/endpoints/gallery/posts/create.ts
index 94701712de..71e0ad4141 100644
--- a/packages/backend/src/server/api/endpoints/gallery/posts/create.ts
+++ b/packages/backend/src/server/api/endpoints/gallery/posts/create.ts
@@ -76,8 +76,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const post = await this.galleryPostsRepository.insert(new MiGalleryPost({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				updatedAt: new Date(),
 				title: ps.title,
 				description: ps.description,
diff --git a/packages/backend/src/server/api/endpoints/gallery/posts/like.ts b/packages/backend/src/server/api/endpoints/gallery/posts/like.ts
index c557054066..561b2492ab 100644
--- a/packages/backend/src/server/api/endpoints/gallery/posts/like.ts
+++ b/packages/backend/src/server/api/endpoints/gallery/posts/like.ts
@@ -83,8 +83,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create like
 			await this.galleryLikesRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				postId: post.id,
 				userId: me.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/i/apps.ts b/packages/backend/src/server/api/endpoints/i/apps.ts
index daa3e536a4..09f6540a77 100644
--- a/packages/backend/src/server/api/endpoints/i/apps.ts
+++ b/packages/backend/src/server/api/endpoints/i/apps.ts
@@ -7,6 +7,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { AccessTokensRepository } from '@/models/_.js';
 import { DI } from '@/di-symbols.js';
+import { IdService } from '@/core/IdService.js';
 
 export const meta = {
 	requireCredential: true,
@@ -27,6 +28,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	constructor(
 		@Inject(DI.accessTokensRepository)
 		private accessTokensRepository: AccessTokensRepository,
+
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const query = this.accessTokensRepository.createQueryBuilder('token')
@@ -34,8 +37,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('token.app', 'app');
 
 			switch (ps.sort) {
-				case '+createdAt': query.orderBy('token.createdAt', 'DESC'); break;
-				case '-createdAt': query.orderBy('token.createdAt', 'ASC'); break;
+				case '+createdAt': query.orderBy('token.id', 'DESC'); break;
+				case '-createdAt': query.orderBy('token.id', 'ASC'); break;
 				case '+lastUsedAt': query.orderBy('token.lastUsedAt', 'DESC'); break;
 				case '-lastUsedAt': query.orderBy('token.lastUsedAt', 'ASC'); break;
 				default: query.orderBy('token.id', 'ASC'); break;
@@ -46,7 +49,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			return await Promise.all(tokens.map(token => ({
 				id: token.id,
 				name: token.name ?? token.app?.name,
-				createdAt: token.createdAt,
+				createdAt: this.idService.parse(token.id).date.toISOString(),
 				lastUsedAt: token.lastUsedAt,
 				permission: token.permission,
 			})));
diff --git a/packages/backend/src/server/api/endpoints/i/registry/set.ts b/packages/backend/src/server/api/endpoints/i/registry/set.ts
index c074b152df..6203e7aa8b 100644
--- a/packages/backend/src/server/api/endpoints/i/registry/set.ts
+++ b/packages/backend/src/server/api/endpoints/i/registry/set.ts
@@ -53,8 +53,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				});
 			} else {
 				await this.registryItemsRepository.insert({
-					id: this.idService.genId(),
-					createdAt: new Date(),
+					id: this.idService.gen(),
 					updatedAt: new Date(),
 					userId: me.id,
 					domain: null,
diff --git a/packages/backend/src/server/api/endpoints/i/webhooks/create.ts b/packages/backend/src/server/api/endpoints/i/webhooks/create.ts
index 48eaeff406..f00dba4a85 100644
--- a/packages/backend/src/server/api/endpoints/i/webhooks/create.ts
+++ b/packages/backend/src/server/api/endpoints/i/webhooks/create.ts
@@ -63,8 +63,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const webhook = await this.webhooksRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me.id,
 				name: ps.name,
 				url: ps.url,
diff --git a/packages/backend/src/server/api/endpoints/invite/create.ts b/packages/backend/src/server/api/endpoints/invite/create.ts
index 7361ab616c..94836283fa 100644
--- a/packages/backend/src/server/api/endpoints/invite/create.ts
+++ b/packages/backend/src/server/api/endpoints/invite/create.ts
@@ -62,7 +62,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			if (policies.inviteLimit) {
 				const count = await this.registrationTicketsRepository.countBy({
-					createdAt: MoreThan(new Date(Date.now() - (policies.inviteLimitCycle * 1000 * 60))),
+					id: MoreThan(this.idService.gen(Date.now() - (policies.inviteLimitCycle * 1000 * 60))),
 					createdById: me.id,
 				});
 
@@ -72,8 +72,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const ticket = await this.registrationTicketsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				createdBy: me,
 				createdById: me.id,
 				expiresAt: policies.inviteExpirationTime ? new Date(Date.now() + (policies.inviteExpirationTime * 1000 * 60)) : null,
diff --git a/packages/backend/src/server/api/endpoints/invite/limit.ts b/packages/backend/src/server/api/endpoints/invite/limit.ts
index 43b94e4f06..1f4190c948 100644
--- a/packages/backend/src/server/api/endpoints/invite/limit.ts
+++ b/packages/backend/src/server/api/endpoints/invite/limit.ts
@@ -9,6 +9,7 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { RegistrationTicketsRepository } from '@/models/_.js';
 import { RoleService } from '@/core/RoleService.js';
 import { DI } from '@/di-symbols.js';
+import { IdService } from '@/core/IdService.js';
 
 export const meta = {
 	tags: ['meta'],
@@ -41,12 +42,13 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private registrationTicketsRepository: RegistrationTicketsRepository,
 
 		private roleService: RoleService,
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const policies = await this.roleService.getUserPolicies(me.id);
 
 			const count = policies.inviteLimit ? await this.registrationTicketsRepository.countBy({
-				createdAt: MoreThan(new Date(Date.now() - (policies.inviteExpirationTime * 60 * 1000))),
+				id: MoreThan(this.idService.gen(Date.now() - (policies.inviteExpirationTime * 60 * 1000))),
 				createdById: me.id,
 			}) : null;
 
diff --git a/packages/backend/src/server/api/endpoints/miauth/gen-token.ts b/packages/backend/src/server/api/endpoints/miauth/gen-token.ts
index e40656cb6d..cac8f41f8e 100644
--- a/packages/backend/src/server/api/endpoints/miauth/gen-token.ts
+++ b/packages/backend/src/server/api/endpoints/miauth/gen-token.ts
@@ -59,8 +59,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Insert access token doc
 			await this.accessTokensRepository.insert({
-				id: this.idService.genId(),
-				createdAt: now,
+				id: this.idService.gen(now.getTime()),
 				lastUsedAt: now,
 				session: ps.session,
 				userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/notes/favorites/create.ts b/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
index cc648e22a8..ed3dce7f35 100644
--- a/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
@@ -80,8 +80,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create favorite
 			await this.noteFavoritesRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				noteId: note.id,
 				userId: me.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
index 8ac5f1b038..378529e30d 100644
--- a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
@@ -77,8 +77,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 
 			const policies = await this.roleService.getUserPolicies(me.id);
 			if (!policies.ltlAvailable) {
diff --git a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
index d10c3bedbf..f69e60ab54 100644
--- a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
@@ -73,8 +73,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 
 			const policies = await this.roleService.getUserPolicies(me ? me.id : null);
 			if (!policies.ltlAvailable) {
diff --git a/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts b/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts
index 986201e950..af7ff8bdcd 100644
--- a/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts
+++ b/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts
@@ -98,7 +98,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					id: In(polls.map(poll => poll.noteId)),
 				},
 				order: {
-					createdAt: 'DESC',
+					id: 'DESC',
 				},
 			});
 
diff --git a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
index a58bf09b85..734c3f0e63 100644
--- a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
+++ b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
@@ -145,8 +145,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create vote
 			const vote = await this.pollVotesRepository.insert({
-				id: this.idService.genId(),
-				createdAt,
+				id: this.idService.gen(createdAt.getTime()),
 				noteId: note.id,
 				userId: me.id,
 				choice: ps.choice,
diff --git a/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts b/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts
index 449a838604..b2cdaa00ac 100644
--- a/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts
@@ -72,8 +72,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			await this.noteReadService.read(me.id, mutedNotes);
 
 			await this.noteThreadMutingsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				threadId: note.threadId ?? note.id,
 				userId: me.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/notes/timeline.ts b/packages/backend/src/server/api/endpoints/notes/timeline.ts
index 760d52c9db..8f13b3a4ba 100644
--- a/packages/backend/src/server/api/endpoints/notes/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/timeline.ts
@@ -66,8 +66,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 
 			const [
 				followings,
diff --git a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
index f7ee58264e..b8007e78fd 100644
--- a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
@@ -83,8 +83,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 
 			const list = await this.userListsRepository.findOneBy({
 				id: ps.listId,
diff --git a/packages/backend/src/server/api/endpoints/pages/create.ts b/packages/backend/src/server/api/endpoints/pages/create.ts
index c0e8fab16c..4c2ef516e5 100644
--- a/packages/backend/src/server/api/endpoints/pages/create.ts
+++ b/packages/backend/src/server/api/endpoints/pages/create.ts
@@ -103,8 +103,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			const page = await this.pagesRepository.insert(new MiPage({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				updatedAt: new Date(),
 				title: ps.title,
 				name: ps.name,
diff --git a/packages/backend/src/server/api/endpoints/pages/like.ts b/packages/backend/src/server/api/endpoints/pages/like.ts
index 6c69cad9d5..8c18982b50 100644
--- a/packages/backend/src/server/api/endpoints/pages/like.ts
+++ b/packages/backend/src/server/api/endpoints/pages/like.ts
@@ -83,8 +83,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create like
 			await this.pageLikesRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				pageId: page.id,
 				userId: me.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/promo/read.ts b/packages/backend/src/server/api/endpoints/promo/read.ts
index b197756acc..7d07c92178 100644
--- a/packages/backend/src/server/api/endpoints/promo/read.ts
+++ b/packages/backend/src/server/api/endpoints/promo/read.ts
@@ -60,8 +60,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			await this.promoReadsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				noteId: note.id,
 				userId: me.id,
 			});
diff --git a/packages/backend/src/server/api/endpoints/renote-mute/create.ts b/packages/backend/src/server/api/endpoints/renote-mute/create.ts
index 3c9d266e21..7ff7b5de3a 100644
--- a/packages/backend/src/server/api/endpoints/renote-mute/create.ts
+++ b/packages/backend/src/server/api/endpoints/renote-mute/create.ts
@@ -90,8 +90,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Create mute
 			await this.renoteMutingsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				muterId: muter.id,
 				muteeId: mutee.id,
 			} as MiRenoteMuting);
diff --git a/packages/backend/src/server/api/endpoints/request-reset-password.ts b/packages/backend/src/server/api/endpoints/request-reset-password.ts
index adb160c58b..f13710e1dd 100644
--- a/packages/backend/src/server/api/endpoints/request-reset-password.ts
+++ b/packages/backend/src/server/api/endpoints/request-reset-password.ts
@@ -84,8 +84,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			const token = secureRndstr(64, { chars: L_CHARS });
 
 			await this.passwordResetRequestsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: profile.userId,
 				token,
 			});
diff --git a/packages/backend/src/server/api/endpoints/reset-password.ts b/packages/backend/src/server/api/endpoints/reset-password.ts
index 1858c922a0..3a6dc14bcd 100644
--- a/packages/backend/src/server/api/endpoints/reset-password.ts
+++ b/packages/backend/src/server/api/endpoints/reset-password.ts
@@ -8,6 +8,7 @@ import { Inject, Injectable } from '@nestjs/common';
 import type { UserProfilesRepository, PasswordResetRequestsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { DI } from '@/di-symbols.js';
+import { IdService } from '@/core/IdService.js';
 
 export const meta = {
 	tags: ['reset password'],
@@ -38,6 +39,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 		@Inject(DI.userProfilesRepository)
 		private userProfilesRepository: UserProfilesRepository,
+
+		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const req = await this.passwordResetRequestsRepository.findOneByOrFail({
@@ -45,7 +48,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			// 発行してから30分以上経過していたら無効
-			if (Date.now() - req.createdAt.getTime() > 1000 * 60 * 30) {
+			if (Date.now() - this.idService.parse(req.id).date.getTime() > 1000 * 60 * 30) {
 				throw new Error(); // TODO
 			}
 
diff --git a/packages/backend/src/server/api/endpoints/roles/notes.ts b/packages/backend/src/server/api/endpoints/roles/notes.ts
index 0db51abc55..e6e1daaa51 100644
--- a/packages/backend/src/server/api/endpoints/roles/notes.ts
+++ b/packages/backend/src/server/api/endpoints/roles/notes.ts
@@ -69,8 +69,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 
 			const role = await this.rolesRepository.findOneBy({
 				id: ps.roleId,
diff --git a/packages/backend/src/server/api/endpoints/sw/register.ts b/packages/backend/src/server/api/endpoints/sw/register.ts
index 5cfbeab73f..9ab062326d 100644
--- a/packages/backend/src/server/api/endpoints/sw/register.ts
+++ b/packages/backend/src/server/api/endpoints/sw/register.ts
@@ -88,8 +88,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			await this.swSubscriptionsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me.id,
 				endpoint: ps.endpoint,
 				auth: ps.auth,
diff --git a/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts b/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts
index f2f6c4303a..4eb37c3e43 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts
@@ -104,8 +104,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const userList = await this.userListsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me.id,
 				name: ps.name,
 			} as MiUserList).then(x => this.userListsRepository.findOneByOrFail(x.identifiers[0]));
diff --git a/packages/backend/src/server/api/endpoints/users/lists/create.ts b/packages/backend/src/server/api/endpoints/users/lists/create.ts
index 60b2b3f17e..e86e4c0ded 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/create.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/create.ts
@@ -66,8 +66,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const userList = await this.userListsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me.id,
 				name: ps.name,
 			} as MiUserList).then(x => this.userListsRepository.findOneByOrFail(x.identifiers[0]));
diff --git a/packages/backend/src/server/api/endpoints/users/lists/favorite.ts b/packages/backend/src/server/api/endpoints/users/lists/favorite.ts
index 1707afee60..2ecf0a1256 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/favorite.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/favorite.ts
@@ -69,8 +69,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 			}
 
 			await this.userListFavoritesRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				userId: me.id,
 				userListId: ps.listId,
 			});
diff --git a/packages/backend/src/server/api/endpoints/users/notes.ts b/packages/backend/src/server/api/endpoints/users/notes.ts
index df0951ce74..4f3d61ce07 100644
--- a/packages/backend/src/server/api/endpoints/users/notes.ts
+++ b/packages/backend/src/server/api/endpoints/users/notes.ts
@@ -74,8 +74,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private redisTimelineService: RedisTimelineService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.genId(new Date(ps.untilDate!)) : null);
-			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.genId(new Date(ps.sinceDate!)) : null);
+			const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
+			const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
 			const isRangeSpecified = untilId != null && sinceId != null;
 			const isSelf = me && (me.id === ps.userId);
 
diff --git a/packages/backend/src/server/api/endpoints/users/report-abuse.ts b/packages/backend/src/server/api/endpoints/users/report-abuse.ts
index 50aa6fa09e..3bcf44cc42 100644
--- a/packages/backend/src/server/api/endpoints/users/report-abuse.ts
+++ b/packages/backend/src/server/api/endpoints/users/report-abuse.ts
@@ -82,8 +82,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			const report = await this.abuseUserReportsRepository.insert({
-				id: this.idService.genId(),
-				createdAt: new Date(),
+				id: this.idService.gen(),
 				targetUserId: user.id,
 				targetUserHost: user.host,
 				reporterId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/users/update-memo.ts b/packages/backend/src/server/api/endpoints/users/update-memo.ts
index 194d488052..b3f67815ef 100644
--- a/packages/backend/src/server/api/endpoints/users/update-memo.ts
+++ b/packages/backend/src/server/api/endpoints/users/update-memo.ts
@@ -72,7 +72,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			if (!previousMemo) {
 				await this.userMemosRepository.insert({
-					id: this.idService.genId(),
+					id: this.idService.gen(),
 					userId: me.id,
 					targetUserId: target.id,
 					memo: ps.memo,