index.js

#!/usr/bin/env node

//Routes File

'use strict'

/* MODULE IMPORTS */
const Koa = require('koa')
const Router = require('koa-router')
const views = require('koa-views')
const staticDir = require('koa-static')
const bodyParser = require('koa-bodyparser')
const koaBody = require('koa-body')({multipart: true, uploadDir: '.'})
const session = require('koa-session')
//const jimp = require('jimp')
//
const stat = require('koa-static')
const Database = require('sqlite-async')
const handlebars = require('koa-hbs-renderer')
//
/* IMPORT CUSTOM MODULES */
const User = require('./modules/user')

const app = new Koa()
const router = new Router()

/* CONFIGURING THE MIDDLEWARE */
app.keys = ['darkSecret']
app.use(staticDir('public'))
app.use(bodyParser())
app.use(session(app))
app.use(views(`${__dirname}/views`, { extension: 'handlebars' }, {map: { handlebars: 'handlebars' }}))

const defaultPort = 8080
const port = process.env.PORT || defaultPort
const dbName = 'website.db'
let userGlobalVar
let userGlobalPath

/**
 * The secure home page.
 *
 * @name Home Page
 * @route {GET} /
 * @authentication This route requires cookie-based authentication.
 */
router.get('/default', async ctx => {
	const data = {}
	await ctx.render('default')
})

router.get('/', async ctx => {
	try {
		// console.log("________")
		// console.log(ctx.session.authorised)
		// console.log("________")
		if(ctx.session.authorised !== true) {
			return ctx.redirect('/default')
		}
		const data = {}
		if(ctx.query.msg) data.msg = ctx.query.msg
		await ctx.render('index')
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})

/**
 * The user registration page.
 *
 * @name Register Page
 * @route {GET} /register
 */

router.get('/register', async ctx => await ctx.render('register'))

/**
 * The script to process new user registrations.
 *
 * @name Register Script
 * @route {POST} /register
 */

router.post('/register', koaBody, async ctx => {
	try {
		// extract the data from the request
		const body = ctx.request.body
		// console.log(body)
		const {path, type} = ctx.request.files.avatar
		// console.log('---------------')
		// console.log({path, type})
		// call the functions in the module
		const user = await new User(dbName)
		await user.register(body.user, body.pass)
		await user.uploadPicture(body.user, path, type)
		// redirect to the home page
		ctx.redirect(`/?msg=new user "${body.name}" added`)
	} catch(err) {
		// console.log(err)
		await ctx.render('error', {message: err.message})
	}
})

router.get('/login', async ctx => {
	const data = {}
	if(ctx.query.msg) data.msg = ctx.query.msg
	if(ctx.query.user) data.user = ctx.query.user
	await ctx.render('login', data)
})
let adminPriv
router.post('/login', async ctx => {
	try {

		const body = ctx.request.body
		const user = await new User(dbName)
		await user.login(body.user, body.pass)
		ctx.session.authorised = true

		userGlobalVar = body.user

		function isAdmin() {
			console.log(userGlobalVar)
			if (userGlobalVar === 'master') {
				return true

			} else {
				return false

			}
		}

		adminPriv = isAdmin()

		return ctx.redirect('/?msg=you are now logged in...')
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})
router.get('/about', async ctx => {
	const data = {}
	await ctx.render('about')
})
router.get('/aboutWhileLoggedIn', async ctx => {
	const data = {}
	await ctx.render('aboutWhileLoggedIn')
})

router.get('/logout', async ctx => {
	// console.log("logout"+userGlobalVar)
	ctx.session.authorised = null
	ctx.redirect('/?msg=you are now logged out')
})

//REROUTES CAUSE HANDLEBARS CANT HANDLE LINKS

// router.get('/html5Course', async ctx => {
// 	const data = {}
// 	await ctx.render('html5Course')
// })

// router.get('/gitCourse', async ctx => {
// 	const data = {}
// 	await ctx.render('gitCourse')
// })

// router.get('/pythonCourse', async ctx => {
// 	const data = {}
// 	await ctx.render('pythonCourse')
// })


router.get('/myProfile', async ctx => {
	const data = {
		imageSource: `avatars/${userGlobalVar}.jpeg`,
		adminPriv
	  }
	if(ctx.query.msg) data.msg = ctx.query.msg
	if(ctx.query.user) data.user = ctx.query.user
	await ctx.render('myProfile', data)
})

router.get('/firstPforQuiz', async ctx => {
	const data = {}
	await ctx.render('test/firstPforQuiz')
})

router.post('/firstPforQuiz', async ctx => {
	try {

	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})


router.get('/changePassword', async ctx => {
	const data = {}
	await ctx.render('changePassword')
})
router.post('/changePassword', async ctx => {
	try {
		const body = ctx.request.body
		// console.log(body)
		const user = await new User(dbName)
		await user.changePassword(userGlobalVar,body.oldPass, body.newPass)
		ctx.redirect('/myProfile')
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})

router.get('/changeProfilePicture', async ctx => {
	const data = {}
	await ctx.render('changeProfilePicture')
})

router.post('/changeProfilePicture', koaBody, async ctx => {
	try {
		const body = ctx.request.body
		// console.log(body)
		// console.log('---------------1111111111')
		const {path, type} = ctx.request.files.avatar

		// console.log({path, type})
		// console.log('---------------222222222')
		const user = await new User(dbName)
		await user.changeProfilePicture(userGlobalVar,path,type) //body.avatar,
		// userGlobalVar consists the name of username
		// console.log('this is user name:')
		// console.log(userGlobalVar)
		ctx.redirect('/myProfile')
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})


router.get('/addCourse', async ctx => {
	const data = {}
	await ctx.render('addCourse')
})

router.post('/addCourse', koaBody, async ctx => {
	try {

		const body = ctx.request.body
		// console.log(body)
		const {path, type} = ctx.request.files.avatar
		// console.log('---------------')
		// console.log({path, type})

		//user.
		const course = await new User(dbName)
		await course.saveCourse(body.name, body.courseDescription, body.content, path, type)
		ctx.redirect(`/?msg=new course "${body.name}" added`)
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})

router.get('/courses', async ctx => {
	try {
		const course = await new User(dbName)
		const sql = await course.showCourses()
		const db = await Database.open(dbName)
		const data = await db.all(sql)
		await db.close()
		// console.log(data)
		await ctx.render('courses', {name: 'courses', courses: data})
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})

router.get('/courses/python', async ctx => {
	try {

		const course = await new User(dbName)
		const sql = await course.showCoursesPython()
		const db = await Database.open(dbName)
		const data = await db.all(sql)
		await db.close()
		// console.log(data)
		await ctx.render('coursesPython', {name: 'coursesPython', coursesPython: data})
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})
router.get('/courses/html', async ctx => {
	try {
		const course = await new User(dbName)
		const sql = await course.showCoursesHTML()
		const db = await Database.open(dbName)
		const data = await db.all(sql)
		await db.close()
		// console.log(data)
		await ctx.render('coursesHtml', {name: 'coursesHtml', coursesHtml: data})
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})
router.get('/courses/git', async ctx => {
	try {
		const course = await new User(dbName)
		const sql = await course.showCoursesGit()
		const db = await Database.open(dbName)
		const data = await db.all(sql)
		await db.close()
		// console.log(data)
		await ctx.render('coursesGit', {name: 'coursesGit', coursesGit: data})
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})
//.
router.get('/viewResults', async ctx => {
	try{
		const results = await new User(dbName)
		const sql = await results.showResults(userGlobalVar)
		const db = await Database.open(dbName)
		const data = await db.all(sql)
		await db.close()
		// console.log(data)
		await ctx.render('viewResults', {name: 'viewResults', viewResults: data})
	}catch(err) {
		await ctx.render('error', {message: err.message})
	}

})
//.
router.get('/content/:id', async ctx => {
	try {
		// console.log(ctx.params.id)// displayed in terminal
		const course = await new User(dbName)
		const sql = `SELECT * FROM courses WHERE id = ${ctx.params.id};`
		const sql2 = await course.showSpecificCourse(sql)

		const db = await Database.open(dbName)
		const data = await db.get(sql2)
		await db.close()
		// console.log(data)
		await ctx.render('details', data)
	} catch(err) {
		ctx.body = err.message
	}
})
router.get('/addQuestion', async ctx => {
	const data = {}
	await ctx.render('addQuestion')
})

router.post('/addQuestion', koaBody, async ctx => {
	try {
		const body = ctx.request.body
		// console.log(body)
		const course = await new User(dbName)
		await course.saveQuestion(body.name, body.courseDescription, body.question, body.answer)
		ctx.redirect(`/?msg=new question "${body.name}" added`)
	} catch(err) {
		await ctx.render('error', {message: err.message})
	}
})

router.get('/quizGit', async ctx => await ctx.render('quizGit'))
router.get('/quizHtml5', async ctx => await ctx.render('quizHtml5'))
router.get('/quizPython', async ctx => await ctx.render('quizPython'))


app.use(router.routes())
module.exports = app.listen(port, async() => console.log(`listening on port ${port}`))