room.dto.ts and it's generated schema

room.dto.ts

import {
  Directive,
  Field,
  GraphQLISODateTime,
  ID,
  ObjectType,
  registerEnumType,
} from '@nestjs/graphql';
import { IRoom, IRoomDatabaseEntity, RoomType } from '@core';
import { FilterableField, IDField } from '@ptc-org/nestjs-query-graphql';
import { UserDto } from './user-dto.directive';

@ObjectType()
@Directive('@key(fields: "id")')
export class RoomDto implements Omit<IRoom, keyof IRoomDatabaseEntity> {
  @IDField(() => ID)
  id: string;

  @FilterableField()
  title: string;

  @FilterableField(() => String, { nullable: true })
  description?: string;

  @FilterableField(() => RoomType)
  roomType: RoomType;

  @Field(() => [String])
  resourceIds: string[];

  @FilterableField(() => GraphQLISODateTime)
  createdAt: Date;

  @FilterableField(() => GraphQLISODateTime)
  updatedAt: Date;

  @Field(() => UserDto)
  author: UserDto;

  @Field(() => [UserDto])
  participants: UserDto[];

  @Field(() => [UserDto])
  owners: UserDto[];

  @Field(() => [UserDto])
  moderators: UserDto[];

  @Field(() => [UserDto])
  collaborators: UserDto[];
}

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

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

type UserDto {
  id: ID!
  rooms: [RoomDto!]!
  moderatedRooms: [RoomDto!]!
  participatedRooms: [RoomDto!]!
  collaboratedRooms: [RoomDto!]!
}

type RoomDto {
  id: ID!
  title: String!
  description: String
  roomType: RoomType!
  resourceIds: [String!]!
  createdAt: DateTime!
  updatedAt: DateTime!
  author: UserDto!
  participants: [UserDto!]!
  owners: [UserDto!]!
  moderators: [UserDto!]!
  collaborators: [UserDto!]!
}

enum RoomType {
  PUBLIC
  PRIVATE
}

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

type DeleteResponse {
  message: String!
  success: Boolean!
}

type Query {
  room(id: String!): RoomDto!
  rooms: [RoomDto!]!
}

type Mutation {
  createRoom(room: CreateRoomInput!): RoomDto!
  deleteRoom(id: String!): DeleteResponse!
}

"""Input to create a new room"""
input CreateRoomInput {
  description: String
  title: String!
  roomType: String
  resourceIds: [String!]!
}