seeder.js

const fs = require('fs')
const mongoose = require('mongoose')
const colors = require('colors')
const dotenv = require('dotenv')

//Load env variables
dotenv.config({path: './config/config.env'})

//Load Models
const Bootcamp = require('./models/Bootcamps')
const  Course = require('./models/Course')
const  User = require('./models/User')
const  Review = require('./models/Review')
//Connect to DB
mongoose.connect(process.env.MONGO_URI)

//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 Bootcamp.create(bootcamps)
        await Course.create(courses) 
        await User.create(users) 
        await Review.create(reviews)
        
        console.log("Data imported....".green.inverse)
        process.exit();
    }catch(err){
        console.log(err);
    }
}

//Delete data
const deleteData = async () => {
    try{
        await Bootcamp.deleteMany()
        await Course.deleteMany()
        await User.deleteMany()
        await Review.deleteMany()
        console.log("Data destroyed....".red.inverse)
        process.exit();
    }catch(err){
        console.log(err);
    }
}

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