seeder.js

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

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

// Load models
const bootcampModel = require("./models/bootcampModel");
const courseModel = require("./models/courseModel");
const userModel = require("./models/userModel");
const Review = require("./models/reviewModel");

// Connect to DB
mongoose.connect(process.env.MONGO_URI, {
  useNewUrlParser: true,
});

// Read JSON files
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")
);

// Import into DB
const importData = async () => {
  try {
    await bootcampModel.create(bootcamps);
    await courseModel.create(courses);
    await userModel.create(users);
    await Review.create(reviews);
    console.log("Data Imported...".green.inverse);
    process.exit();
  } catch (err) {
    console.error(err);
  }
};

// Delete data
const deleteData = async () => {
  try {
    await bootcampModel.deleteMany();
    await courseModel.deleteMany();
    await userModel.deleteMany();
    await Review.deleteMany();
    console.log("Data Destroyed...".red.inverse);
    process.exit();
  } catch (err) {
    console.error(err);
  }
};

if (process.argv[2] === "-i") {
  importData();
} else if (process.argv[2] === "-d") {
  deleteData();
}