seeder.js

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


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



// Load models
const Bootcamp = require('./models/Bootcamp')
const Course = require('./models/Course')
const User = require('./models/User')
const Review = require('./models/Review')

// Connect to DB

mongoose.connect(process.env.MONGO_URI, {useNewUrlParser: true, useUnifiedTopology: 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 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 deleted....".red.inverse)
    process.exit()
  } catch (e) {
    console.log(err)
  }
}


// ARGV TO CHOOSE

if (process.argv[2] === '-import') {
  importData()
}else if (process.argv[2] === '-delete') {
  deleteData()
}else {
  console.log("arugument not valid || type -import or -delete")
  process.exit()
}