import { Injectable } from '@nestjs/common'; import { InjectRepository } from '@nestjs/typeorm'; import { Repository } from 'typeorm'; import { UserSetting } from './user-setting.entity'; @Injectable() export class UserSettingService { constructor( @InjectRepository(UserSetting) private userSettingRepository: Repository, ) {} async getByUser(userId: string): Promise { let setting = await this.userSettingRepository.findOne({ where: { userId } }); if (!setting) { setting = this.userSettingRepository.create({ userId, language: 'zh' }); await this.userSettingRepository.save(setting); } return setting; } async update(userId: string, language: string): Promise { const setting = await this.getByUser(userId); setting.language = language; return this.userSettingRepository.save(setting); } }