database

const fs = require('fs')
const path = require('path')
const dbPath = path.normalize(path.join(__dirname, '/database.json'))

module.exports.products = {}
module.exports.products.add = (product) => {
  let products = getProducts()
  product.id = products.length + 1
  products.push(product)
  saveProducts(products)
}
let getProducts = () => {
  if (!fs.existsSync(dbPath)) {
    fs.writeFileSync(dbPath, '[]')
    return []
  }
  let json = fs.readFileSync(dbPath).toString() || '[]'
  return JSON.parse(json)
}
let saveProducts = (products) => {
  let json = JSON.stringify(products, null, 2)
  fs.writeFileSync(dbPath, json)
}
module.exports.products.getAll = getProducts