resolvers.js

import db from './_db.js';
export const resolvers = {
    Query: {
        games() {
            return db.games
        },
        game(_, args) {
            return db.games.find((game) => game.id === args.id)
        },
        authors() {
            return db.authors
        },
        author(_, args) {
            return db.authors.find((author) => author.id === args.id)
        },
        reviews() {
            return db.reviews
        },
        review(_, args) {
            return db.reviews.find((review) => review.id === args.id)
        },
    },
    Game: {
        reviews(game) {
            return db.reviews.filter((review) => review.game_id === game.id)
        },
    },
    Author: {
        reviews(author) {
            return db.reviews.filter((review) => review.author_id === author.id)
        },
    },
    Review: {
        game(review) {
            return db.games.find((game) => game.id === review.game_id)
        },
        author(review) {
            return db.authors.find((author) => author.id === review.author_id)
        },
    },
    Mutation: {
        deleteGame(_, args) {
            db.games = db.games.filter((game) => game.id !== args.id)
            return db.games
        },
        addGame(_, args) {
            let newGame = {
                ...args.game,
                id: String(db.games.length + 1)
            }
            db.games.push(newGame)
            return newGame
        },
        updateGame(_, args) {
            db.games = db.games.map((game) => {
                if (game.id === args.id) {
                    return {
                        ...game,
                        ...args.edits
                    }
                }
                return game
            })
            return db.games.find((game) => game.id === args.id)
        },
    }
}