seeder.js

const fs = require("fs");
const mongoose = require("mongoose");
const dotenv = require("dotenv");

dotenv.config({ path: "./config/config.env" });

const Bootcamp = require("./models/Bootcamp");
const Course = require("./models/course");
const User = require("./models/User");
const Review = require("./models/Review");

mongoose.connect(process.env.MONGO_URI, {
	useNewUrlParser: true,
	useUnifiedTopology: true,
});

const bootcamps = JSON.parse(
	fs.readFileSync(`${__dirname}/_data/bootcamps.json`, "utf-8")
);
const courses = JSON.parse(
	fs.readFileSync(`${__dirname}/_data/courses.json`, "utf-8")
);
const users = JSON.parse(
	fs.readFileSync(`${__dirname}/_data/users.json`, "utf-8")
);
const reviews = JSON.parse(
	fs.readFileSync(`${__dirname}/_data/reviews.json`, "utf-8")
);

const importData = async () => {
	try {
		await Bootcamp.create(bootcamps);
		await Course.create(courses);
		await User.create(users);
		await Review.create(reviews);

		console.log("Data imported");
		process.exit();
	} catch (error) {
		console.error(error);
	}
};

const deleteData = async () => {
	try {
		await Bootcamp.deleteMany();
		await Course.deleteMany();
		await User.deleteMany();
		await Review.deleteMany();

		console.log("Data collection cleared");
		process.exit(0);
	} catch (error) {
		console.error(error);
	}
};

// Check for either import/delete flag in command line
if (process.argv[2] === "-i") {
	importData();
} else if (process.argv[2] === "-d") {
	deleteData();
}