graphql-mutations-with-nodejs/mutation.js at master · aditya-sridhar/graphql-mutations-with-nodejs · GitHub

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const { GraphQLObjectType
} = require('graphql');
const _ = require('lodash');

const {movieType,directorType} = require('./types.js');
const {inputMovieType,inputDirectorType} = require('./inputtypes.js');
let {movies,directors} = require('./data.js');

const mutationType = new GraphQLObjectType({
    name: 'Mutation',
    fields: {
        addMovie: {
            type: movieType,
            args: {
                input: { type: inputMovieType }
            },
            resolve: function (source, args) {

                let movie = {
                    id: args.input.id,
                    name: args.input.name,
                    year: args.input.year,
                    directorId: args.input.directorId};

                movies.push(movie);

                return _.find(movies, { id: args.input.id });
            }
        },
        addDirector: {
            type: directorType,
            args: {
                input: { type: inputDirectorType }
            },
            resolve: function (source, args) {
                let director = {
                    id: args.input.id,
                    name: args.input.name,
                    age: args.input.age};

                directors.push(director);

                return _.find(directors, { id: args.input.id });
            }
        }
    }
});

exports.mutationType = mutationType;