feat: 公開リスト (#10842)

* feat: まず公開できるように (misskey-dev/misskey#10447)

* feat: 公開したリストのページを作成 (misskey-dev/misskey#10447)

* feat: いいねできるように

* feat: インポートに対応

* wip

* wip

* CHANGELOGを編集

* add note

* refactor

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

CHANGELOG.md

@@ -21,6 +21,7 @@
 - センシティブなカスタム絵文字のリアクションを受け入れない設定が可能に
 - タイムラインにフォロイーの行った他人へのリプライを含めるかどうかの設定をアカウントに保存するのをやめるように
 	- 今後はAPI呼び出し時およびストリーミング接続時に設定するようになります
+- リストを公開できるようになりました
 
 ### Client
 - リアクションの取り消し/変更時に確認ダイアログを出すように

packages/backend/migration/1683847157541-UserList.js

@@ -0,0 +1,13 @@
+export class UserList1683847157541 {
+    name = 'UserList1683847157541'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "user_list" ADD "isPublic" boolean NOT NULL DEFAULT false`);
+        await queryRunner.query(`CREATE INDEX "IDX_48a00f08598662b9ca540521eb" ON "user_list" ("isPublic") `);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`DROP INDEX "public"."IDX_48a00f08598662b9ca540521eb"`);
+        await queryRunner.query(`ALTER TABLE "user_list" DROP COLUMN "isPublic"`);
+    }
+}

packages/backend/migration/1683869758873-UserListFavorites.js

@@ -0,0 +1,19 @@
+export class UserListFavorites1683869758873 {
+    name = 'UserListFavorites1683869758873'
+
+    async up(queryRunner) {
+        await queryRunner.query(`CREATE TABLE "user_list_favorite" ("id" character varying(32) NOT NULL, "createdAt" TIMESTAMP WITH TIME ZONE NOT NULL, "userId" character varying(32) NOT NULL, "userListId" character varying(32) NOT NULL, CONSTRAINT "PK_c0974b21e18502a4c8178e09fe6" PRIMARY KEY ("id"))`);
+        await queryRunner.query(`CREATE INDEX "IDX_016f613dc4feb807e03e3e7da9" ON "user_list_favorite" ("userId") `);
+        await queryRunner.query(`CREATE UNIQUE INDEX "IDX_d6765a8c2a4c17c33f9d7f948b" ON "user_list_favorite" ("userId", "userListId") `);
+        await queryRunner.query(`ALTER TABLE "user_list_favorite" ADD CONSTRAINT "FK_016f613dc4feb807e03e3e7da92" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "user_list_favorite" ADD CONSTRAINT "FK_4d52b20bfe32c8552e7a61e80d2" FOREIGN KEY ("userListId") REFERENCES "user_list"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "user_list_favorite" DROP CONSTRAINT "FK_4d52b20bfe32c8552e7a61e80d2"`);
+        await queryRunner.query(`ALTER TABLE "user_list_favorite" DROP CONSTRAINT "FK_016f613dc4feb807e03e3e7da92"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_d6765a8c2a4c17c33f9d7f948b"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_016f613dc4feb807e03e3e7da9"`);
+        await queryRunner.query(`DROP TABLE "user_list_favorite"`);
+    }
+}

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

@@ -35,6 +35,7 @@ export class UserListEntityService {
 			createdAt: userList.createdAt.toISOString(),
 			name: userList.name,
 			userIds: users.map(x => x.userId),
+			isPublic: userList.isPublic,
 		};
 	}
 }

packages/backend/src/di-symbols.ts

@@ -25,6 +25,7 @@ export const DI = {
 	userSecurityKeysRepository: Symbol('userSecurityKeysRepository'),
 	userPublickeysRepository: Symbol('userPublickeysRepository'),
 	userListsRepository: Symbol('userListsRepository'),
+	userListFavoritesRepository: Symbol('userListFavoritesRepository'),
 	userListJoiningsRepository: Symbol('userListJoiningsRepository'),
 	userNotePiningsRepository: Symbol('userNotePiningsRepository'),
 	userIpsRepository: Symbol('userIpsRepository'),

packages/backend/src/models/RepositoryModule.ts

@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
-import { User, Note, Announcement, AnnouncementRead, App, NoteFavorite, NoteThreadMuting, NoteReaction, NoteUnread, Poll, PollVote, UserProfile, UserKeypair, UserPending, AttestationChallenge, UserSecurityKey, UserPublickey, UserList, UserListJoining, UserNotePining, UserIp, UsedUsername, Following, FollowRequest, Instance, Emoji, DriveFile, DriveFolder, Meta, Muting, RenoteMuting, Blocking, SwSubscription, Hashtag, AbuseUserReport, RegistrationTicket, AuthSession, AccessToken, Signin, Page, PageLike, GalleryPost, GalleryLike, ModerationLog, Clip, ClipNote, Antenna, PromoNote, PromoRead, Relay, MutedNote, Channel, ChannelFollowing, ChannelFavorite, RegistryItem, Webhook, Ad, PasswordResetRequest, RetentionAggregation, FlashLike, Flash, Role, RoleAssignment, ClipFavorite, UserMemo } from './index.js';
+import { User, Note, Announcement, AnnouncementRead, App, NoteFavorite, NoteThreadMuting, NoteReaction, NoteUnread, Poll, PollVote, UserProfile, UserKeypair, UserPending, AttestationChallenge, UserSecurityKey, UserPublickey, UserList, UserListJoining, UserNotePining, UserIp, UsedUsername, Following, FollowRequest, Instance, Emoji, DriveFile, DriveFolder, Meta, Muting, RenoteMuting, Blocking, SwSubscription, Hashtag, AbuseUserReport, RegistrationTicket, AuthSession, AccessToken, Signin, Page, PageLike, GalleryPost, GalleryLike, ModerationLog, Clip, ClipNote, Antenna, PromoNote, PromoRead, Relay, MutedNote, Channel, ChannelFollowing, ChannelFavorite, RegistryItem, Webhook, Ad, PasswordResetRequest, RetentionAggregation, FlashLike, Flash, Role, RoleAssignment, ClipFavorite, UserMemo, UserListFavorite } from './index.js';
 import type { DataSource } from 'typeorm';
 import type { Provider } from '@nestjs/common';
 
@@ -112,6 +112,12 @@ const $userListsRepository: Provider = {
 	inject: [DI.db],
 };
 
+const $userListFavoritesRepository: Provider = {
+	provide: DI.userListFavoritesRepository,
+	useFactory: (db: DataSource) => db.getRepository(UserListFavorite),
+	inject: [DI.db],
+};
+
 const $userListJoiningsRepository: Provider = {
 	provide: DI.userListJoiningsRepository,
 	useFactory: (db: DataSource) => db.getRepository(UserListJoining),
@@ -416,6 +422,7 @@ const $userMemosRepository: Provider = {
 		$userSecurityKeysRepository,
 		$userPublickeysRepository,
 		$userListsRepository,
+		$userListFavoritesRepository,
 		$userListJoiningsRepository,
 		$userNotePiningsRepository,
 		$userIpsRepository,
@@ -483,6 +490,7 @@ const $userMemosRepository: Provider = {
 		$userSecurityKeysRepository,
 		$userPublickeysRepository,
 		$userListsRepository,
+		$userListFavoritesRepository,
 		$userListJoiningsRepository,
 		$userNotePiningsRepository,
 		$userIpsRepository,

packages/backend/src/models/entities/UserList.ts

@@ -19,6 +19,12 @@ export class UserList {
 	})
 	public userId: User['id'];
 
+	@Index()
+	@Column('boolean', {
+		default: false,
+	})
+	public isPublic: boolean;
+
 	@ManyToOne(type => User, {
 		onDelete: 'CASCADE',
 	})

packages/backend/src/models/entities/UserListFavorite.ts

@@ -0,0 +1,33 @@
+import { PrimaryColumn, Entity, Index, JoinColumn, Column, ManyToOne } from 'typeorm';
+import { id } from '../id.js';
+import { User } from './User.js';
+import { UserList } from './UserList.js';
+
+@Entity()
+@Index(['userId', 'userListId'], { unique: true })
+export class UserListFavorite {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Column('timestamp with time zone')
+	public createdAt: Date;
+
+	@Index()
+	@Column(id())
+	public userId: User['id'];
+
+	@ManyToOne(type => User, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public user: User | null;
+
+	@Column(id())
+	public userListId: UserList['id'];
+
+	@ManyToOne(type => UserList, {
+		onDelete: 'CASCADE',
+	})
+	@JoinColumn()
+	public userList: UserList | null;
+}

packages/backend/src/models/index.ts

@@ -49,6 +49,7 @@ import { User } from '@/models/entities/User.js';
 import { UserIp } from '@/models/entities/UserIp.js';
 import { UserKeypair } from '@/models/entities/UserKeypair.js';
 import { UserList } from '@/models/entities/UserList.js';
+import { UserListFavorite } from './entities/UserListFavorite.js';
 import { UserListJoining } from '@/models/entities/UserListJoining.js';
 import { UserNotePining } from '@/models/entities/UserNotePining.js';
 import { UserPending } from '@/models/entities/UserPending.js';
@@ -117,6 +118,7 @@ export {
 	UserIp,
 	UserKeypair,
 	UserList,
+	UserListFavorite,
 	UserListJoining,
 	UserNotePining,
 	UserPending,
@@ -184,6 +186,7 @@ export type UsersRepository = Repository<User>;
 export type UserIpsRepository = Repository<UserIp>;
 export type UserKeypairsRepository = Repository<UserKeypair>;
 export type UserListsRepository = Repository<UserList>;
+export type UserListFavoritesRepository = Repository<UserListFavorite>;
 export type UserListJoiningsRepository = Repository<UserListJoining>;
 export type UserNotePiningsRepository = Repository<UserNotePining>;
 export type UserPendingsRepository = Repository<UserPending>;

packages/backend/src/models/json-schema/user-list.ts

@@ -25,5 +25,10 @@ export const packedUserListSchema = {
 				format: 'id',
 			},
 		},
+		isPublic: {
+			type: 'boolean',
+			nullable: false,
+			optional: false,
+		},
 	},
 } as const;

packages/backend/src/postgres.ts

@@ -57,6 +57,7 @@ import { User } from '@/models/entities/User.js';
 import { UserIp } from '@/models/entities/UserIp.js';
 import { UserKeypair } from '@/models/entities/UserKeypair.js';
 import { UserList } from '@/models/entities/UserList.js';
+import { UserListFavorite } from '@/models/entities/UserListFavorite.js';
 import { UserListJoining } from '@/models/entities/UserListJoining.js';
 import { UserNotePining } from '@/models/entities/UserNotePining.js';
 import { UserPending } from '@/models/entities/UserPending.js';
@@ -132,6 +133,7 @@ export const entities = [
 	UserKeypair,
 	UserPublickey,
 	UserList,
+	UserListFavorite,
 	UserListJoining,
 	UserNotePining,
 	UserSecurityKey,

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

@@ -321,6 +321,9 @@ import * as ep___users_lists_pull from './endpoints/users/lists/pull.js';
 import * as ep___users_lists_push from './endpoints/users/lists/push.js';
 import * as ep___users_lists_show from './endpoints/users/lists/show.js';
 import * as ep___users_lists_update from './endpoints/users/lists/update.js';
+import * as ep___users_lists_favorite from './endpoints/users/lists/favorite.js';
+import * as ep___users_lists_unfavorite from './endpoints/users/lists/unfavorite.js';
+import * as ep___users_lists_create_from_public from './endpoints/users/lists/create-from-public.js';
 import * as ep___users_notes from './endpoints/users/notes.js';
 import * as ep___users_pages from './endpoints/users/pages.js';
 import * as ep___users_reactions from './endpoints/users/reactions.js';
@@ -659,6 +662,9 @@ const $users_lists_pull: Provider = { provide: 'ep:users/lists/pull', useClass:
 const $users_lists_push: Provider = { provide: 'ep:users/lists/push', useClass: ep___users_lists_push.default };
 const $users_lists_show: Provider = { provide: 'ep:users/lists/show', useClass: ep___users_lists_show.default };
 const $users_lists_update: Provider = { provide: 'ep:users/lists/update', useClass: ep___users_lists_update.default };
+const $users_lists_favorite: Provider = { provide: 'ep:users/lists/favorite', useClass: ep___users_lists_favorite.default };
+const $users_lists_unfavorite: Provider = { provide: 'ep:users/lists/unfavorite', useClass: ep___users_lists_unfavorite.default };
+const $users_lists_create_from_public: Provider = { provide: 'ep:users/lists/create-from-public', useClass: ep___users_lists_create_from_public.default };
 const $users_notes: Provider = { provide: 'ep:users/notes', useClass: ep___users_notes.default };
 const $users_pages: Provider = { provide: 'ep:users/pages', useClass: ep___users_pages.default };
 const $users_reactions: Provider = { provide: 'ep:users/reactions', useClass: ep___users_reactions.default };
@@ -1001,6 +1007,9 @@ const $retention: Provider = { provide: 'ep:retention', useClass: ep___retention
 		$users_lists_push,
 		$users_lists_show,
 		$users_lists_update,
+		$users_lists_favorite,
+		$users_lists_unfavorite,
+		$users_lists_create_from_public,
 		$users_notes,
 		$users_pages,
 		$users_reactions,
@@ -1335,6 +1344,9 @@ const $retention: Provider = { provide: 'ep:retention', useClass: ep___retention
 		$users_lists_push,
 		$users_lists_show,
 		$users_lists_update,
+		$users_lists_favorite,
+		$users_lists_unfavorite,
+		$users_lists_create_from_public,
 		$users_notes,
 		$users_pages,
 		$users_reactions,

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

@@ -320,6 +320,9 @@ import * as ep___users_lists_list from './endpoints/users/lists/list.js';
 import * as ep___users_lists_pull from './endpoints/users/lists/pull.js';
 import * as ep___users_lists_push from './endpoints/users/lists/push.js';
 import * as ep___users_lists_show from './endpoints/users/lists/show.js';
+import * as ep___users_lists_favorite from './endpoints/users/lists/favorite.js';
+import * as ep___users_lists_unfavorite from './endpoints/users/lists/unfavorite.js';
+import * as ep___users_lists_create_from_public from './endpoints/users/lists/create-from-public.js';
 import * as ep___users_lists_update from './endpoints/users/lists/update.js';
 import * as ep___users_notes from './endpoints/users/notes.js';
 import * as ep___users_pages from './endpoints/users/pages.js';
@@ -656,7 +659,10 @@ const eps = [
 	['users/lists/pull', ep___users_lists_pull],
 	['users/lists/push', ep___users_lists_push],
 	['users/lists/show', ep___users_lists_show],
+	['users/lists/favorite', ep___users_lists_favorite],
+	['users/lists/unfavorite', ep___users_lists_unfavorite],
 	['users/lists/update', ep___users_lists_update],
+	['users/lists/create-from-public', ep___users_lists_create_from_public],
 	['users/notes', ep___users_notes],
 	['users/pages', ep___users_pages],
 	['users/reactions', ep___users_reactions],

packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts

@@ -0,0 +1,148 @@
+import { Inject, Injectable } from '@nestjs/common';
+import type { UserListsRepository, UserListJoiningsRepository, BlockingsRepository } from '@/models/index.js';
+import { IdService } from '@/core/IdService.js';
+import type { UserList } from '@/models/entities/UserList.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { GetterService } from '@/server/api/GetterService.js';
+import { UserListEntityService } from '@/core/entities/UserListEntityService.js';
+import { DI } from '@/di-symbols.js';
+import { ApiError } from '@/server/api/error.js';
+import { RoleService } from '@/core/RoleService.js';
+import { UserListService } from '@/core/UserListService.js';
+
+export const meta = {
+	requireCredential: true,
+	prohibitMoved: true,
+	res: {
+		type: 'object',
+		optional: false, nullable: false,
+		ref: 'UserList',
+	},
+
+	errors: {
+		tooManyUserLists: {
+			message: 'You cannot create user list any more.',
+			code: 'TOO_MANY_USERLISTS',
+			id: 'e9c105b2-c595-47de-97fb-7f7c2c33e92f',
+		},
+		noSuchList: {
+			message: 'No such list.',
+			code: 'NO_SUCH_LIST',
+			id: '9292f798-6175-4f7d-93f4-b6742279667d',
+		},
+		noSuchUser: {
+			message: 'No such user.',
+			code: 'NO_SUCH_USER',
+			id: '13c457db-a8cb-4d88-b70a-211ceeeabb5f',
+		},
+
+		alreadyAdded: {
+			message: 'That user has already been added to that list.',
+			code: 'ALREADY_ADDED',
+			id: 'c3ad6fdb-692b-47ee-a455-7bd12c7af615',
+		},
+
+		youHaveBeenBlocked: {
+			message: 'You cannot push this user because you have been blocked by this user.',
+			code: 'YOU_HAVE_BEEN_BLOCKED',
+			id: 'a2497f2a-2389-439c-8626-5298540530f4',
+		},
+
+		tooManyUsers: {
+			message: 'You can not push users any more.',
+			code: 'TOO_MANY_USERS',
+			id: '1845ea77-38d1-426e-8e4e-8b83b24f5bd7',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		name: { type: 'string', minLength: 1, maxLength: 100 },
+		listId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['name', 'listId'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> {
+	constructor(
+		@Inject(DI.userListsRepository)
+		private userListsRepository: UserListsRepository,
+
+		@Inject(DI.userListJoiningsRepository)
+		private userListJoiningsRepository: UserListJoiningsRepository,
+
+		@Inject(DI.blockingsRepository)
+		private blockingsRepository: BlockingsRepository,
+
+		private userListService: UserListService,
+		private userListEntityService: UserListEntityService,
+		private idService: IdService,
+		private getterService: GetterService,
+		private roleService: RoleService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const list = await this.userListsRepository.findOneBy({
+				id: ps.listId,
+				isPublic: true,
+			});
+			if (list === null) throw new ApiError(meta.errors.noSuchList);
+			const currentCount = await this.userListsRepository.countBy({
+				userId: me.id,
+			});
+			if (currentCount > (await this.roleService.getUserPolicies(me.id)).userListLimit) {
+				throw new ApiError(meta.errors.tooManyUserLists);
+			}
+			
+			const userList = await this.userListsRepository.insert({
+				id: this.idService.genId(),
+				createdAt: new Date(),
+				userId: me.id,
+				name: ps.name,
+			} as UserList).then(x => this.userListsRepository.findOneByOrFail(x.identifiers[0]));
+
+			const users = (await this.userListJoiningsRepository.findBy({
+				userListId: ps.listId,
+			})).map(x => x.userId);
+
+			for (const user of users) {
+				const currentUser = await this.getterService.getUser(user).catch(err => {
+					if (err.id === '15348ddd-432d-49c2-8a5a-8069753becff') throw new ApiError(meta.errors.noSuchUser);
+					throw err;
+				});
+
+				if (currentUser.id !== me.id) {
+					const block = await this.blockingsRepository.findOneBy({
+						blockerId: currentUser.id,
+						blockeeId: me.id,
+					});
+					if (block) {
+						throw new ApiError(meta.errors.youHaveBeenBlocked);
+					}
+				}
+
+				const exist = await this.userListJoiningsRepository.findOneBy({
+					userListId: userList.id,
+					userId: currentUser.id,
+				});
+	
+				if (exist) {
+					throw new ApiError(meta.errors.alreadyAdded);
+				}
+
+				try {
+					await this.userListService.push(currentUser, userList, me);
+				} catch (err) {
+					if (err instanceof UserListService.TooManyUsersError) {
+						throw new ApiError(meta.errors.tooManyUsers);
+					}
+					throw err;
+				}
+			}
+			return await this.userListEntityService.pack(userList);
+		});
+	}
+}
+

packages/backend/src/server/api/endpoints/users/lists/favorite.ts

@@ -0,0 +1,70 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import type { UserListFavoritesRepository, UserListsRepository } from '@/models/index.js';
+import { IdService } from '@/core/IdService.js';
+import { ApiError } from '@/server/api/error.js';
+import { DI } from '@/di-symbols.js';
+
+export const meta = {
+	requireCredential: true,
+	errors: {
+		noSuchList: {
+			message: 'No such user list.',
+			code: 'NO_SUCH_USER_LIST',
+			id: '7dbaf3cf-7b42-4b8f-b431-b3919e580dbe',
+		},
+
+		alreadyFavorited: {
+			message: 'The list has already been favorited.',
+			code: 'ALREADY_FAVORITED',
+			id: '6425bba0-985b-461e-af1b-518070e72081',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		listId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['listId'],
+} as const;
+
+@Injectable() // eslint-disable-next-line import/no-default-export
+export default class extends Endpoint<typeof meta, typeof paramDef> {
+	constructor (
+		@Inject(DI.userListsRepository)
+		private userListsRepository: UserListsRepository,
+
+		@Inject(DI.userListFavoritesRepository)
+		private userListFavoritesRepository: UserListFavoritesRepository,
+		private idService: IdService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const userList = await this.userListsRepository.findOneBy({ 
+				id: ps.listId,
+				isPublic: true,
+			});
+
+			if (userList === null) {
+				throw new ApiError(meta.errors.noSuchList);
+			}
+
+			const exist = await this.userListFavoritesRepository.findOneBy({
+				userId: me.id,
+				userListId: ps.listId,
+			});
+
+			if (exist !== null) {
+				throw new ApiError(meta.errors.alreadyFavorited);
+			}
+
+			await this.userListFavoritesRepository.insert({
+				id: this.idService.genId(),
+				createdAt: new Date(),
+				userId: me.id,
+				userListId: ps.listId,
+			});
+		});
+	}
+}

packages/backend/src/server/api/endpoints/users/lists/list.ts

@@ -1,13 +1,14 @@
 import { Inject, Injectable } from '@nestjs/common';
-import type { UserListsRepository } from '@/models/index.js';
+import type { UserListsRepository, UsersRepository } from '@/models/index.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { UserListEntityService } from '@/core/entities/UserListEntityService.js';
+import { ApiError } from '@/server/api/error.js';
 import { DI } from '@/di-symbols.js';
 
 export const meta = {
 	tags: ['lists', 'account'],
 
-	requireCredential: true,
+	requireCredential: false,
 
 	kind: 'read:account',
 
@@ -22,26 +23,58 @@ export const meta = {
 			ref: 'UserList',
 		},
 	},
+	errors: {
+		noSuchUser: {
+			message: 'No such user.',
+			code: 'NO_SUCH_USER',
+			id: 'a8af4a82-0980-4cc4-a6af-8b0ffd54465e',
+		},
+		remoteUser: {
+			message: 'Not allowed to load the remote user\'s list',
+			code: 'REMOTE_USER_NOT_ALLOWED',
+			id: '53858f1b-3315-4a01-81b7-db9b48d4b79a',
+		},
+		invalidParam: {
+			message: 'Invalid param.',
+			code: 'INVALID_PARAM',
+			id: 'ab36de0e-29e9-48cb-9732-d82f1281620d',
+		},
+	},
 } as const;
 
 export const paramDef = {
 	type: 'object',
-	properties: {},
+	properties: {
+		userId: { type: 'string', format: 'misskey:id' },
+	},
 	required: [],
 } as const;
 
-// eslint-disable-next-line import/no-default-export
+@Injectable() // eslint-disable-next-line import/no-default-export
-@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> {
 	constructor(
+		@Inject(DI.usersRepository)
+		private usersRepository: UsersRepository,
+
 		@Inject(DI.userListsRepository)
 		private userListsRepository: UserListsRepository,
 
 		private userListEntityService: UserListEntityService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const userLists = await this.userListsRepository.findBy({
+			if (typeof ps.userId !== 'undefined') {
+				const user = await this.usersRepository.findOneBy({ id: ps.userId });
+				if (user === null) throw new ApiError(meta.errors.noSuchUser);
+				if (user.host !== null) throw new ApiError(meta.errors.remoteUser);
+			} else if (me === null) {
+				throw new ApiError(meta.errors.invalidParam);
+			}
+
+			const userLists = await this.userListsRepository.findBy(typeof ps.userId === 'undefined' && me !== null ? {
 				userId: me.id,
+			} : {
+				userId: ps.userId,
+				isPublic: true,
 			});
 
 			return await Promise.all(userLists.map(x => this.userListEntityService.pack(x)));

packages/backend/src/server/api/endpoints/users/lists/show.ts

@@ -1,5 +1,5 @@
 import { Inject, Injectable } from '@nestjs/common';
-import type { UserListsRepository } from '@/models/index.js';
+import type { UserListsRepository, UserListFavoritesRepository } from '@/models/index.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { UserListEntityService } from '@/core/entities/UserListEntityService.js';
 import { DI } from '@/di-symbols.js';
@@ -8,7 +8,7 @@ import { ApiError } from '../../../error.js';
 export const meta = {
 	tags: ['lists', 'account'],
 
-	requireCredential: true,
+	requireCredential: false,
 
 	kind: 'read:account',
 
@@ -33,31 +33,54 @@ export const paramDef = {
 	type: 'object',
 	properties: {
 		listId: { type: 'string', format: 'misskey:id' },
+		forPublic: { type: 'boolean', default: false },
 	},
 	required: ['listId'],
 } as const;
 
-// eslint-disable-next-line import/no-default-export
+@Injectable() // eslint-disable-next-line import/no-default-export
-@Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> {
 	constructor(
 		@Inject(DI.userListsRepository)
 		private userListsRepository: UserListsRepository,
 
+		@Inject(DI.userListFavoritesRepository)
+		private userListFavoritesRepository: UserListFavoritesRepository,
+
 		private userListEntityService: UserListEntityService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			const additionalProperties: Partial<{ likedCount: number, isLiked: boolean }> = {};
 			// Fetch the list
-			const userList = await this.userListsRepository.findOneBy({
+			const userList = await this.userListsRepository.findOneBy(!ps.forPublic && me !== null ? {
 				id: ps.listId,
 				userId: me.id,
+			} : {
+				id: ps.listId,
+				isPublic: true,
 			});
 
 			if (userList == null) {
 				throw new ApiError(meta.errors.noSuchList);
 			}
 
-			return await this.userListEntityService.pack(userList);
+			if (ps.forPublic && userList.isPublic) {
+				additionalProperties.likedCount = await this.userListFavoritesRepository.countBy({
+					userListId: ps.listId,
+				});
+				if (me !== null) {
+					additionalProperties.isLiked = (await this.userListFavoritesRepository.findOneBy({
+						userId: me.id,
+						userListId: ps.listId,
+					}) !== null);
+				} else {
+					additionalProperties.isLiked = false;
+				}
+			}
+			return {
+				...await this.userListEntityService.pack(userList),
+				...additionalProperties,
+			};
 		});
 	}
 }

packages/backend/src/server/api/endpoints/users/lists/unfavorite.ts

@@ -0,0 +1,63 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import type { UserListFavoritesRepository, UserListsRepository } from '@/models/index.js';
+import { ApiError } from '@/server/api/error.js';
+import { DI } from '@/di-symbols.js';
+
+export const meta = {
+	requireCredential: true,
+	errors: {
+		noSuchList: {
+			message: 'No such user list.',
+			code: 'NO_SUCH_USER_LIST',
+			id: 'baedb33e-76b8-4b0c-86a8-9375c0a7b94b',
+		},
+
+		notFavorited: {
+			message: 'You have not favorited the list.',
+			code: 'ALREADY_FAVORITED',
+			id: '835c4b27-463d-4cfa-969b-a9058678d465',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		listId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['listId'],
+} as const;
+
+@Injectable() // eslint-disable-next-line import/no-default-export
+export default class extends Endpoint<typeof meta, typeof paramDef> {
+	constructor (
+		@Inject(DI.userListsRepository)
+		private userListsRepository: UserListsRepository,
+
+		@Inject(DI.userListFavoritesRepository)
+		private userListFavoritesRepository: UserListFavoritesRepository,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			const userList = await this.userListsRepository.findOneBy({
+				id: ps.listId,
+				isPublic: true,
+			});
+
+			if (userList === null) {
+				throw new ApiError(meta.errors.noSuchList);
+			}
+
+			const exist = await this.userListFavoritesRepository.findOneBy({
+				userListId: ps.listId,
+				userId: me.id,
+			});
+
+			if (exist === null) {
+				throw new ApiError(meta.errors.notFavorited);
+			}
+
+			await this.userListFavoritesRepository.delete({ id: exist.id });
+		});
+	}
+}

packages/backend/src/server/api/endpoints/users/lists/update.ts

@@ -34,8 +34,9 @@ export const paramDef = {
 	properties: {
 		listId: { type: 'string', format: 'misskey:id' },
 		name: { type: 'string', minLength: 1, maxLength: 100 },
+		isPublic: { type: 'boolean' },
 	},
-	required: ['listId', 'name'],
+	required: ['listId'],
 } as const;
 
 // eslint-disable-next-line import/no-default-export
@@ -48,7 +49,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 		private userListEntityService: UserListEntityService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			// Fetch the list
 			const userList = await this.userListsRepository.findOneBy({
 				id: ps.listId,
 				userId: me.id,
@@ -60,6 +60,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 
 			await this.userListsRepository.update(userList.id, {
 				name: ps.name,
+				isPublic: ps.isPublic,
 			});
 
 			return await this.userListEntityService.pack(userList.id);

packages/frontend/src/components/MkReactionsViewer.reaction.vue

@@ -38,6 +38,8 @@ const canToggle = computed(() => !props.reaction.match(/@\w/) && $i);
 async function toggleReaction() {
 	if (!canToggle.value) return;
 
+	// TODO: その絵文字を使う権限があるかどうか確認
+
 	const oldReaction = props.note.myReaction;
 	if (oldReaction) {
 		const confirm = await os.confirm({

packages/frontend/src/pages/list.vue

@@ -0,0 +1,148 @@
+<template>
+<MkStickyContainer>
+	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<MKSpacer v-if="!(typeof error === 'undefined')" :content-max="1200">
+		<div :class="$style.root">
+			<img :class="$style.img" src="https://xn--931a.moe/assets/error.jpg" class="_ghost"/>
+			<p :class="$style.text">
+				<i class="ti ti-alert-triangle"></i>
+				{{ i18n.ts.nothing }}
+			</p>
+		</div>
+	</MKSpacer>
+	<MkSpacer v-else-if="list" :content-max="700" :class="$style.main">
+		<div v-if="list" class="members _margin">
+			<div :class="$style.member_text">{{ i18n.ts.members }}</div>
+			<div class="_gaps_s">
+				<div v-for="user in users" :key="user.id" :class="$style.userItem">
+					<MkA :class="$style.userItemBody" :to="`${userPage(user)}`">
+						<MkUserCardMini :user="user"/>
+					</MkA>
+				</div>
+			</div>
+		</div>
+		<MkButton v-if="list.isLiked" v-tooltip="i18n.ts.unlike" inline :class="$style.button" as-like primary @click="unlike()"><i class="ti ti-heart-off"></i><span v-if="list.likedCount > 0" class="count">{{ list.likedCount }}</span></MkButton>
+		<MkButton v-if="!list.isLiked" v-tooltip="i18n.ts.like" inline :class="$style.button" as-like @click="like()"><i class="ti ti-heart"></i><span v-if="1 > 0" class="count">{{ list.likedCount }}</span></MkButton>
+		<MkButton inline @click="create()"><i class="ti ti-download" :class="$style.import"></i>{{ i18n.ts.import }}</MkButton>
+	</MkSpacer>
+</MkStickyContainer>
+</template>
+
+<script lang="ts" setup>
+import { watch, computed } from 'vue';
+import * as os from '@/os';
+import { userPage } from '@/filters/user';
+import { i18n } from '@/i18n';
+import MkUserCardMini from '@/components/MkUserCardMini.vue';
+import MkButton from '@/components/MkButton.vue';
+import { definePageMetadata } from '@/scripts/page-metadata';
+
+const props = defineProps<{
+	listId: string;
+}>();
+
+let list = $ref(null);
+let error = $ref();
+let users = $ref([]);
+
+function fetchList(): void {
+	os.api('users/lists/show', {
+		listId: props.listId,
+		forPublic: true,
+	}).then(_list => {
+		list = _list;
+		os.api('users/show', {
+			userIds: list.userIds,
+		}).then(_users => {
+			users = _users;
+		});
+	}).catch(err => {
+		error = err;
+	});
+}
+
+function like() {
+	os.apiWithDialog('users/lists/favorite', {
+		listId: list.id,
+	}).then(() => {
+		list.isLiked = true;
+		list.likedCount++;
+	});
+}
+
+function unlike() {
+	os.apiWithDialog('users/lists/unfavorite', {
+		listId: list.id,
+	}).then(() => {
+		list.isLiked = false;
+		list.likedCount--;
+	});
+}
+
+async function create() {
+	const { canceled, result: name } = await os.inputText({
+		title: i18n.ts.enterListName,
+	});
+	if (canceled) return;
+	await os.apiWithDialog('users/lists/create-from-public', { name: name, listId: list.id });
+}
+
+watch(() => props.listId, fetchList, { immediate: true });
+
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata(computed(() => list ? {
+	title: list.name,
+	icon: 'ti ti-list',
+} : null));
+</script>
+<style lang="scss" module>
+.main {
+	min-height: calc(100cqh - (var(--stickyTop, 0px) + var(--stickyBottom, 0px)));
+}
+
+.userItem {
+	display: flex;
+}
+
+.userItemBody {
+	flex: 1;
+	min-width: 0;
+	margin-right: 8px;
+	
+	&:hover {
+		text-decoration: none;
+	}
+}
+.member_text {
+	margin: 5px;
+}
+
+.root {
+	padding: 32px;
+	text-align: center;
+  align-items: center;
+}
+
+.text {
+	margin: 0 0 8px 0;
+}
+
+.img {
+	vertical-align: bottom;
+  width: 128px;
+	height: 128px;
+	margin-bottom: 16px;
+	border-radius: 16px;
+}
+
+.button {
+	margin-right: 10px;
+}
+
+.import {
+	margin-right: 4px;
+}
+</style>

packages/frontend/src/pages/my-lists/index.vue

@@ -70,6 +70,7 @@ definePageMetadata({
 			padding: 16px;
 			border: solid 1px var(--divider);
 			border-radius: 6px;
+			margin-bottom: 8px;
 
 			&:hover {
 				border: solid 1px var(--accent);

packages/frontend/src/pages/my-lists/list.vue

@@ -1,10 +1,28 @@
 <template>
 <MkStickyContainer>
 	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
-	<MkSpacer :content-max="700" :class="$style.main">
+	<MkSpacer :contentMax="700" :class="$style.main">
-		<div v-if="list" class="members _margin">
+		<div v-if="list" class="_gaps">
-			<div class="">{{ i18n.ts.members }}</div>
+			<MkFolder>
+				<template #label>{{ i18n.ts.settings }}</template>
+
+				<div class="_gaps">
+					<MkInput v-model="name">
+						<template #label>{{ i18n.ts.name }}</template>
+					</MkInput>
+					<MkSwitch v-model="isPublic">{{ i18n.ts.public }}</MkSwitch>
+					<div class="_buttons">
+						<MkButton rounded primary @click="updateSettings">{{ i18n.ts.save }}</MkButton>
+						<MkButton rounded danger @click="deleteList()">{{ i18n.ts.delete }}</MkButton>
+					</div>
+				</div>
+			</MkFolder>
+
+			<MkFolder defaultOpen>
+				<template #label>{{ i18n.ts.members }}</template>
+
 				<div class="_gaps_s">
+					<MkButton rounded primary style="margin: 0 auto;" @click="addUser()">{{ i18n.ts.addUser }}</MkButton>
 					<div v-for="user in users" :key="user.id" :class="$style.userItem">
 						<MkA :class="$style.userItemBody" :to="`${userPage(user)}`">
 							<MkUserCardMini :user="user"/>
@@ -12,24 +30,14 @@
 						<button class="_button" :class="$style.remove" @click="removeUser(user, $event)"><i class="ti ti-x"></i></button>
 					</div>
 				</div>
+			</MkFolder>
 		</div>
 	</MkSpacer>
-	<template #footer>
-		<div :class="$style.footer">
-			<MkSpacer :content-max="700" :margin-min="16" :margin-max="16">
-				<div class="_buttons">
-					<MkButton inline rounded primary @click="addUser()">{{ i18n.ts.addUser }}</MkButton>
-					<MkButton inline rounded @click="renameList()">{{ i18n.ts.rename }}</MkButton>
-					<MkButton inline rounded danger @click="deleteList()">{{ i18n.ts.delete }}</MkButton>
-				</div>
-			</MkSpacer>
-		</div>
-	</template>
 </MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
-import { computed, watch } from 'vue';
+import { computed, ref, watch } from 'vue';
 import MkButton from '@/components/MkButton.vue';
 import * as os from '@/os';
 import { mainRouter } from '@/router';
@@ -37,6 +45,9 @@ import { definePageMetadata } from '@/scripts/page-metadata';
 import { i18n } from '@/i18n';
 import { userPage } from '@/filters/user';
 import MkUserCardMini from '@/components/MkUserCardMini.vue';
+import MkSwitch from '@/components/MkSwitch.vue';
+import MkFolder from '@/components/MkFolder.vue';
+import MkInput from '@/components/MkInput.vue';
 import { userListsCache } from '@/cache';
 
 const props = defineProps<{
@@ -45,12 +56,17 @@ const props = defineProps<{
 
 let list = $ref(null);
 let users = $ref([]);
+const isPublic = ref(false);
+const name = ref('');
 
 function fetchList() {
 	os.api('users/lists/show', {
 		listId: props.listId,
 	}).then(_list => {
 		list = _list;
+		name.value = list.name;
+		isPublic.value = list.isPublic;
+
 		os.api('users/show', {
 			userIds: list.userIds,
 		}).then(_users => {
@@ -86,23 +102,6 @@ async function removeUser(user, ev) {
 	}], ev.currentTarget ?? ev.target);
 }
 
-async function renameList() {
-	const { canceled, result: name } = await os.inputText({
-		title: i18n.ts.enterListName,
-		default: list.name,
-	});
-	if (canceled) return;
-
-	await os.api('users/lists/update', {
-		listId: list.id,
-		name: name,
-	});
-
-	userListsCache.delete();
-
-	list.name = name;
-}
-
 async function deleteList() {
 	const { canceled } = await os.confirm({
 		type: 'warning',
@@ -117,6 +116,19 @@ async function deleteList() {
 	mainRouter.push('/my/lists');
 }
 
+async function updateSettings() {
+	await os.apiWithDialog('users/lists/update', {
+		listId: list.id,
+		name: name.value,
+		isPublic: isPublic.value,
+	});
+
+	userListsCache.delete();
+
+	list.name = name.value;
+	list.isPublic = isPublic.value;
+}
+
 watch(() => props.listId, fetchList, { immediate: true });
 
 const headerActions = $computed(() => []);

packages/frontend/src/pages/user/index.vue

@@ -10,6 +10,7 @@
 				<XAchievements v-else-if="tab === 'achievements'" :user="user"/>
 				<XReactions v-else-if="tab === 'reactions'" :user="user"/>
 				<XClips v-else-if="tab === 'clips'" :user="user"/>
+				<XLists v-else-if="tab === 'lists'" :user="user"/>
 				<XPages v-else-if="tab === 'pages'" :user="user"/>
 				<XGallery v-else-if="tab === 'gallery'" :user="user"/>
 			</div>
@@ -36,6 +37,7 @@ const XActivity = defineAsyncComponent(() => import('./activity.vue'));
 const XAchievements = defineAsyncComponent(() => import('./achievements.vue'));
 const XReactions = defineAsyncComponent(() => import('./reactions.vue'));
 const XClips = defineAsyncComponent(() => import('./clips.vue'));
+const XLists = defineAsyncComponent(() => import('./lists.vue'));
 const XPages = defineAsyncComponent(() => import('./pages.vue'));
 const XGallery = defineAsyncComponent(() => import('./gallery.vue'));
 
@@ -90,6 +92,10 @@ const headerTabs = $computed(() => user ? [{
 	key: 'clips',
 	title: i18n.ts.clips,
 	icon: 'ti ti-paperclip',
+}, {
+	key: 'lists',
+	title: i18n.ts.lists,
+	icon: 'ti ti-list',
 }, {
 	key: 'pages',
 	title: i18n.ts.pages,

packages/frontend/src/pages/user/lists.vue

@@ -0,0 +1,51 @@
+<template>
+<MkStickyContainer>
+	<MkSpacer :contentMax="700">
+		<div>
+			<MkPagination v-slot="{items}" ref="pagingComponent" :pagination="pagination" class="lists">
+				<MkA v-for="list in items" :key="list.id" class="_panel" :class="$style.list" :to="`/list/${ list.id }`">
+					<div>{{ list.name }}</div>
+					<MkAvatars :userIds="list.userIds"/>
+				</MkA>
+			</MkPagination>
+		</div>
+	</MkSpacer>
+</MkStickyContainer>
+</template>
+
+<script lang="ts" setup>
+import {} from 'vue';
+import * as misskey from 'misskey-js';
+import MkPagination from '@/components/MkPagination.vue';
+import MkStickyContainer from '@/components/global/MkStickyContainer.vue';
+import MkSpacer from '@/components/global/MkSpacer.vue';
+import MkAvatars from '@/components/MkAvatars.vue';
+
+const props = defineProps<{
+	user: misskey.entities.UserDetailed;
+}>();
+
+const pagination = {
+	endpoint: 'users/lists/list' as const,
+	noPaging: true,
+	limit: 10,
+	params: {
+		userId: props.user.id,
+	},
+};
+</script>
+
+<style lang="scss" module>
+.list {
+	display: block;
+	padding: 16px;
+	border: solid 1px var(--divider);
+	border-radius: 6px;
+	margin-bottom: 8px;
+
+	&:hover {
+		border: solid 1px var(--accent);
+		text-decoration: none;
+	}
+}
+</style>

packages/frontend/src/router.ts

@@ -30,6 +30,10 @@ export const routes = [{
 	name: 'note',
 	path: '/notes/:noteId',
 	component: page(() => import('./pages/note.vue')),
+}, {
+	name: 'list',
+	path: '/list/:listId',
+	component: page(() => import('./pages/list.vue')),
 }, {
 	path: '/clips/:clipId',
 	component: page(() => import('./pages/clip.vue')),