user.response.dto.ts

import { UserEntity } from '@modules/user/domain/entities/user.entity';
import { ResponseBase } from '@libs/ddd/interface-adapters/base-classes/response.base';
import { User } from '@src/interface-adapters/interfaces/user/user.interface';
import { ApiProperty } from '@nestjs/swagger';
import { Field, ObjectType } from '@nestjs/graphql';

@ObjectType() // only if you are using graphql
export class UserResponse extends ResponseBase implements User {
  constructor(user: UserEntity) {
    super(user);
    /* Whitelisting returned data to avoid leaks.
       If a new property is added, like password or a
       credit card number, it won't be returned
       unless you specifically allow this.
       (avoid blacklisting, which will return everything
        but blacklisted items, which can lead to a data leak).
    */
    const props = user.getPropsCopy();
    this.email = props.email.value;
    this.country = props.address.country;
    this.postalCode = props.address.postalCode;
    this.street = props.address.street;
  }

  @ApiProperty({
    example: 'joh-doe@gmail.com',
    description: "User's email address",
  })
  @Field() // <- only if you are using GraphQL
  email: string;

  @ApiProperty({
    example: 'France',
    description: "User's country of residence",
  })
  @Field() // <- only if you are using GraphQL
  country: string;

  @ApiProperty({
    example: '123456',
    description: 'Postal code',
  })
  @Field() // <- only if you are using GraphQL
  postalCode: string;

  @ApiProperty({
    example: 'Park Avenue',
    description: 'Street where the user is registered',
  })
  @Field() // <- only if you are using GraphQL
  street: string;
}