seeder.js

import mongoose from 'mongoose'
import dotenv from 'dotenv'
import colors from 'colors'
import users from './data/users.js'
import products from './data/products.js'
import User from './models/userModel.js'
import Product from './models/productModel.js'
import Order from './models/orderModel.js'
import connectDB from './config/db.js'

dotenv.config()

connectDB()

const importData = async () => {
  try {
    // await Order.deleteMany()
    // await Product.deleteMany()
    // await User.deleteMany()

    // * array of created users
    const createdUsers = await User.insertMany( users )
    // * getting admin out of users array
    const adminUser = createdUsers[ 0 ]._id

    const sampleProducts = products.map( ( product ) => {
      return { ...product, user: adminUser }
    } )

    await Product.insertMany( sampleProducts )

    console.log( 'Data Imported!'.green.inverse )
    process.exit()
  } catch ( error ) {
    console.error( `${ error }`.red.inverse )
    process.exit( 1 )
  }
}

const deleteData = async () => {
  try {
    await Order.deleteMany()
    await Product.deleteMany()
    await User.deleteMany()

    console.log( 'Data Destroyed!'.red.inverse )
    process.exit()
  } catch ( error ) {
    console.error( `${ error }`.red.inverse )
    process.exit( 1 )
  }
}

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

// SHELL: node seeder 
// or: node seeder -d