egirlskey/packages/backend/src/core/UserListService.ts

64 lines
2.5 KiB
TypeScript

import { Inject, Injectable } from '@nestjs/common';
import type { UserListJoiningsRepository, UsersRepository } from '@/models/index.js';
import type { User } from '@/models/entities/User.js';
import type { UserList } from '@/models/entities/UserList.js';
import type { UserListJoining } from '@/models/entities/UserListJoining.js';
import { IdService } from '@/core/IdService.js';
import { UserFollowingService } from '@/core/UserFollowingService.js';
import { GlobalEventService } from '@/core/GlobalEventService.js';
import { DI } from '@/di-symbols.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { ProxyAccountService } from '@/core/ProxyAccountService.js';
import { bindThis } from '@/decorators.js';
import { RoleService } from '@/core/RoleService.js';
import { QueueService } from '@/core/QueueService.js';
@Injectable()
export class UserListService {
public static TooManyUsersError = class extends Error {};
constructor(
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.userListJoiningsRepository)
private userListJoiningsRepository: UserListJoiningsRepository,
private userEntityService: UserEntityService,
private idService: IdService,
private userFollowingService: UserFollowingService,
private roleService: RoleService,
private globalEventService: GlobalEventService,
private proxyAccountService: ProxyAccountService,
private queueService: QueueService,
) {
}
@bindThis
public async push(target: User, list: UserList, me: User) {
const currentCount = await this.userListJoiningsRepository.countBy({
userListId: list.id,
});
if (currentCount > (await this.roleService.getUserPolicies(me.id)).userEachUserListsLimit) {
throw new UserListService.TooManyUsersError();
}
await this.userListJoiningsRepository.insert({
id: this.idService.genId(),
createdAt: new Date(),
userId: target.id,
userListId: list.id,
} as UserListJoining);
this.globalEventService.publishUserListStream(list.id, 'userAdded', await this.userEntityService.pack(target));
// このインスタンス内にこのリモートユーザーをフォローしているユーザーがいなくても投稿を受け取るためにダミーのユーザーがフォローしたということにする
if (this.userEntityService.isRemoteUser(target)) {
const proxy = await this.proxyAccountService.fetch();
if (proxy) {
this.queueService.createFollowJob([{ from: { id: proxy.id }, to: { id: target.id } }]);
}
}
}
}