fairnesscoop / permacoop

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

import {ISpecification} from 'src/Domain/ISpecification';

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

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

@Injectable()

export class IsEmailAlreadyExist implements ISpecification {

  constructor(

    @Inject('IUserRepository')

    private readonly userRepository: IUserRepository

  ) {}

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

    return (await this.userRepository.findOneByEmail(email)) instanceof User;

  }

}