45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
|
|
import { IsNull } from 'typeorm';
|
|
import type { LocalUser } from '@/models/entities/User.js';
|
|
import type { UsersRepository } from '@/models/index.js';
|
|
import { MemorySingleCache } from '@/misc/cache.js';
|
|
import { DI } from '@/di-symbols.js';
|
|
import { CreateSystemUserService } from '@/core/CreateSystemUserService.js';
|
|
import { bindThis } from '@/decorators.js';
|
|
|
|
const ACTOR_USERNAME = 'instance.actor' as const;
|
|
|
|
@Injectable()
|
|
export class InstanceActorService {
|
|
private cache: MemorySingleCache<LocalUser>;
|
|
|
|
constructor(
|
|
@Inject(DI.usersRepository)
|
|
private usersRepository: UsersRepository,
|
|
|
|
private createSystemUserService: CreateSystemUserService,
|
|
) {
|
|
this.cache = new MemorySingleCache<LocalUser>(Infinity);
|
|
}
|
|
|
|
@bindThis
|
|
public async getInstanceActor(): Promise<LocalUser> {
|
|
const cached = this.cache.get();
|
|
if (cached) return cached;
|
|
|
|
const user = await this.usersRepository.findOneBy({
|
|
host: IsNull(),
|
|
username: ACTOR_USERNAME,
|
|
}) as LocalUser | undefined;
|
|
|
|
if (user) {
|
|
this.cache.set(user);
|
|
return user;
|
|
} else {
|
|
const created = await this.createSystemUserService.createSystemUser(ACTOR_USERNAME) as LocalUser;
|
|
this.cache.set(created);
|
|
return created;
|
|
}
|
|
}
|
|
}
|