index.js

#!/usr/bin/env node

'use strict'

const Koa = require('koa')
const Router = require('koa-router')
const bodyParser = require('koa-bodyparser')
const views = require('koa-views')

const app = new Koa()
app.use(bodyParser())
app.use(require('koa-static')('public'))

app.use(views(`${__dirname}/views`, { extension: 'handlebars' }, {
	map: {
		handlebars: 'handlebars'
	}
}))

const router = new Router()

const port = 8080

const todo = require('./modules/todo')

router.get('/', async ctx => {
	try {
		const data = todo.getAll()
		await ctx.render('home', {items: data})
	} catch(err) {
		console.error(err.message)
		await ctx.render('empty')
	}
})

router.post('/', async ctx => {
	try {
		console.log(ctx.request.body)
		todo.add(ctx.request.body.item, ctx.request.body.qty)
	} catch(err) {
		console.error(err.message)
	} finally {
		ctx.redirect('/')
	}
})

router.get('/delete/:index', async ctx => {
	try {
		console.log(`item: ${ctx.params.index}`)
		todo.delete(ctx.params.index)
	} catch(err) {
		console.error(err.message)
	} finally {
		ctx.redirect('/')
	}
})

app.use(router.routes())
app.use(router.allowedMethods())
const server = app.listen(port)

module.exports = server