public async findUsers(options: any): Promise<UserDTO[]> {
    const foundUsers: User[] = await this.usersRepository.find({
      where: { username: Like(`%${options.keyword || ''}%`) },
      order: { username: options.order === 'DESC' ? 'DESC' : 'ASC' },
      take: options.take || 10,
      skip: options.skip || 0,
    });

    return foundUsers.map((u: User) => this.mapper.toUserDTO(u));
  }