import { Inject, Injectable } from '@nestjs/common'; import { ulid } from 'ulid'; import { DI } from '@/di-symbols.js'; import type { Config } from '@/config.js'; import { genAid } from '@/misc/id/aid.js'; import { genMeid } from '@/misc/id/meid.js'; import { genMeidg } from '@/misc/id/meidg.js'; import { genObjectId } from '@/misc/id/object-id.js'; import { bindThis } from '@/decorators.js'; @Injectable() export class IdService { private metohd: string; constructor( @Inject(DI.config) private config: Config, ) { this.metohd = config.id.toLowerCase(); } @bindThis public genId(date?: Date): string { if (!date || (date > new Date())) date = new Date(); switch (this.metohd) { case 'aid': return genAid(date); case 'meid': return genMeid(date); case 'meidg': return genMeidg(date); case 'ulid': return ulid(date.getTime()); case 'objectid': return genObjectId(date); default: throw new Error('unrecognized id generation method'); } } }