user.dto.ts and it's generated schema

user.dto.ts

import { Directive, ID, ObjectType, registerEnumType } from '@nestjs/graphql';
import { FilterableField, IDField } from '@ptc-org/nestjs-query-graphql';

import { IUser, UserRole } from '@core';

@ObjectType()
@Directive('@key(fields: "id")')
export class UserDto implements Omit<IUser, 'password' | 'hashedRefreshToken'> {
  @IDField(() => ID)
  id: string;

  @FilterableField(() => String)
  firstName: string;

  @FilterableField()
  lastName: string;

  @FilterableField()
  username: string;

  @FilterableField()
  email: string;

  @FilterableField()
  verified: boolean;

  @FilterableField({
    nullable: true,
  })
  birthday?: Date;

  @FilterableField(() => UserRole)
  role: UserRole;

  @FilterableField()
  createdAt: Date;

  @FilterableField()
  updatedAt: Date;

  constructor(user: UserDto) {
    Object.assign(this, user);
  }
}

registerEnumType(UserRole, {
  name: 'UserRole',
});

###################################################################################################

# ------------------------------------------------------
# THIS FILE WAS AUTOMATICALLY GENERATED (DO NOT MODIFY)
# ------------------------------------------------------

type UserDto {
  id: ID!
  firstName: String!
  lastName: String!
  username: String!
  email: String!
  verified: Boolean!
  birthday: DateTime
  role: UserRole!
  createdAt: DateTime!
  updatedAt: DateTime!
}

"""
A date-time string at UTC, such as 2019-12-03T09:54:33Z, compliant with the date-time format.
"""
scalar DateTime

enum UserRole {
  ADMIN
  USER
}

"""Login response"""
type LoginResponseDto {
  accessToken: String!
  refreshToken: String!
  user: UserDto!
}

"""Register response"""
type RegisterResponse {
  accessToken: String!
  refreshToken: String!
  user: UserDto!
}

type Query {
  me: UserDto!
}

type Mutation {
  """Login a user with username or email and password, returns JWT token."""
  login(credentials: Credentials!): LoginResponseDto!
  register(userInfo: RegisterUserDto!): RegisterResponse!
  refreshToken: LoginResponseDto!
}

"""Login user"""
input Credentials {
  email: String
  username: String
  password: String!
}

"""Create new user"""
input RegisterUserDto {
  email: String!
  firstName: String!
  password: String!
  lastName: String!
  username: String!
  birthday: DateTime
}