seed.js

const { Genre } = require('./models/genre');
const { Movie } = require('./models/movie');
const mongoose = require('mongoose');
const dotEnvFlow = require('dotenv-flow');
dotEnvFlow.config();

const data = [
	{
		name: 'Comedy',
		movies: [
			{ title: 'Airplane', numberInStock: 5, dailyRentalRate: 2 },
			{ title: 'The Hangover', numberInStock: 10, dailyRentalRate: 2 },
			{
				title: 'Wedding Crashers',
				numberInStock: 15,
				dailyRentalRate: 2,
			},
		],
	},
	{
		name: 'Action',
		movies: [
			{ title: 'Die Hard', numberInStock: 5, dailyRentalRate: 2 },
			{ title: 'Terminator', numberInStock: 10, dailyRentalRate: 2 },
			{ title: 'The Avengers', numberInStock: 15, dailyRentalRate: 2 },
		],
	},
	{
		name: 'Romance',
		movies: [
			{ title: 'The Notebook', numberInStock: 5, dailyRentalRate: 2 },
			{
				title: 'When Harry Met Sally',
				numberInStock: 10,
				dailyRentalRate: 2,
			},
			{ title: 'Pretty Woman', numberInStock: 15, dailyRentalRate: 2 },
		],
	},
	{
		name: 'Thriller',
		movies: [
			{ title: 'The Sixth Sense', numberInStock: 5, dailyRentalRate: 2 },
			{ title: 'Gone Girl', numberInStock: 10, dailyRentalRate: 2 },
			{ title: 'The Others', numberInStock: 15, dailyRentalRate: 2 },
		],
	},
];

async function seed() {
	const db = process.env.VIDLY_DB;

	await mongoose.connect(db, {
		useNewUrlParser: true,
		useUnifiedTopology: true,
		useCreateIndex: true,
		useFindAndModify: false,
	});

	await Movie.deleteMany({});
	await Genre.deleteMany({});

	for (let genre of data) {
		const { _id: genreId } = await new Genre({ name: genre.name }).save();
		const movies = genre.movies.map((movie) => ({
			...movie,
			genre: { _id: genreId, name: genre.name },
		}));
		await Movie.insertMany(movies);
	}

	mongoose.disconnect();

	console.info('Done!');
}

seed();