InputTypes and ArgumentTypes

 

Mutation 추가

restaurants/restaurants.resolver.ts

import { Args, Mutation, Query, Resolver } from "@nestjs/graphql";
import { Restaurant } from "./entities/restaurants.entity";

@Resolver(() => Restaurant)
export class RestaurantsResolver {
  @Query(() => [Restaurant])
  restaurants(@Args("veganOnly") veganOnly: boolean): Restaurant[] {
    return [];
  }

  @Mutation(() => Boolean)
  createRestaurant(): boolean {
    return true;
  }
}

 

playground 확인

 

 

방법 1 : Mutation의 ArgumentType 개별 정의

restaurants/entities/restaurants.entity.ts

import { Field, ObjectType } from "@nestjs/graphql";

@ObjectType()
export class Restaurant {
  @Field(() => String)
  name: string;

  @Field(() => Boolean)
  isVegan: boolean;

  @Field(() => String)
  address: string;

  @Field(() => String)
  ownersName: string;
}

 

restaurants/restaurants.resolver.ts

import { Args, Mutation, Query, Resolver } from "@nestjs/graphql";
import { Restaurant } from "./entities/restaurants.entity";

@Resolver(() => Restaurant)
export class RestaurantsResolver {
  @Query(() => [Restaurant])
  restaurants(@Args("veganOnly") veganOnly: boolean): Restaurant[] {
    return [];
  }

  @Mutation(() => Boolean)
  createRestaurant(
    @Args("name") name: string,
    @Args("isVegan") isVegan: string,
    @Args("address") address: string,
    @Args("ownersName") ownersName: string,
  ): boolean {
    return true;
  }
}

 

playground 확인

 

 

방법 2 : InputTypes으로 만들어 주기

restaurants/dto/create-restaurant.dto.ts

• dto폴더, create-restaurant.dto.ts 파일 만들기

import { Field, InputType } from "@nestjs/graphql";

@InputType()
export class CreateRestaurantDto {
  @Field(() => String)
  name: string;
  @Field(() => Boolean)
  isVegan: boolean;
  @Field(() => String)
  address: string;
  @Field(() => String)
  ownersName: string;
}

 

restaurants/restaurants.resolver.ts

import { Args, Mutation, Query, Resolver } from "@nestjs/graphql";
import { Restaurant } from "./entities/restaurants.entity";
import { CreateRestaurantDto } from "./dto/create-restaurant.dto";

@Resolver(() => Restaurant)
export class RestaurantsResolver {
  @Query(() => [Restaurant])
  restaurants(@Args("veganOnly") veganOnly: boolean): Restaurant[] {
    return [];
  }

  @Mutation(() => Boolean)
  createRestaurant(
    @Args("createRestaurantInput") createRestaurantInput: CreateRestaurantDto,
  ): boolean {
    console.log(createRestaurantInput);
    return true;
  }
}

 

playground 확인

객체로 생성된다.

 

mutation {
  createRestaurant(createRestaurantInput: {
    name: "woo",
    isVegan: true,
    address: "주소",
    ownersName: "test"
  })
}

playground 코드에 작성한 것처럼 object를 다 작성해야 하는 불편함이 있다.

 

 

방법 3 : ArgsType으로 만들어 주기

restaurants/dto/create-restaurant.dto.ts

import { ArgsType, Field } from "@nestjs/graphql";

@ArgsType()
export class CreateRestaurantDto {
  @Field(() => String)
  name: string;
  @Field(() => Boolean)
  isVegan: boolean;
  @Field(() => String)
  address: string;
  @Field(() => String)
  ownersName: string;
}

ArgsType class로 만들기

restaurants/restaurants.resolver.ts

import { Args, Mutation, Query, Resolver } from "@nestjs/graphql";
import { Restaurant } from "./entities/restaurants.entity";
import { CreateRestaurantDto } from "./dto/create-restaurant.dto";

@Resolver(() => Restaurant)
export class RestaurantsResolver {
  @Query(() => [Restaurant])
  restaurants(@Args("veganOnly") veganOnly: boolean): Restaurant[] {
    return [];
  }

  @Mutation(() => Boolean)
  createRestaurant(@Args() **createRestaurantDto: CreateRestaurantDto**): boolean {
    console.log(createRestaurantDto);
    return true;
  }
}

inputType은 arugment를 가지고 있지 않다.

 

playground 확인

객체가 아닌 argument가 하나씩 보인다.

 

 

요약

@ArgsType()는 개별 인자를 받고, @InputType()는 하나의 객체 형태로 인자를 받는다.