// import { Injectable } from '@nestjs/common';
// import { InjectRepository } from '@nestjs/typeorm';
// import { Repository } from 'typeorm';

// @Injectable()
// export class UserAppMappingRepository {
//   constructor(
//     @InjectRepository(UserAppMapping)
//     private readonly userAppMappingRepository: Repository<UserAppMapping>,
//   ) {}

//   async save(userId: number, appCode: string): Promise<UserAppMapping | null> {
//     const mapping = this.userAppMappingRepository.create({
//       user_id: userId,
//       appcode: appCode,
//     });
//     return await this.userAppMappingRepository.save(mapping);
//   }

//   async findByUserIdAndAppCode(
//     userId: number,
//     appCode: string,
//   ): Promise<UserAppMapping | null> {
//     return await this.userAppMappingRepository.findOne({
//       where: { user_id: userId, appcode: appCode },
//     });
//   }
// }