fairnesscoop / permacoop

import { Inject } from '@nestjs/common';

import { ICustomerRepository } from '../Repository/ICustomerRepository';

import { Customer } from '../Customer.entity';

export class IsCustomerAlreadyExist {

  constructor(

    @Inject('ICustomerRepository')

    private readonly customerRepository: ICustomerRepository

  ) {}

  public async isSatisfiedBy(name: string): Promise<boolean> {

    return (

      (await this.customerRepository.findOneByName(name)) instanceof Customer

    );

  }

}