mrfrys-node-server/modules/qmining.js

/* ----------------------------------------------------------------------------

 Question Server
 GitLab: <https://gitlab.com/MrFry/mrfrys-node-server>

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program. If not, see <https://www.gnu.org/licenses/>.

 ------------------------------------------------------------------------- */

let url = ''

const express = require('express')
const bodyParser = require('body-parser')
const busboy = require('connect-busboy')
const fs = require('fs')
const app = express()
// const http = require('http')
// const https = require('https')

const logger = require('../utils/logger.js')
const utils = require('../utils/utils.js')
const actions = require('../utils/actions.js')

const recivedFiles = 'public/recivedfiles'
const uloadFiles = 'public/f'
const dataFile = 'public/data.json'
const msgFile = 'stats/msgs'

app.set('view engine', 'ejs')
app.use(express.static('public'))
app.use(busboy({
  limits: {
    fileSize: 10000 * 1024 * 1024
  }
}))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({
  limit: '5mb',
  extended: true
}))
app.use(bodyParser.json({
  limit: '5mb'
}))

// --------------------------------------------------------------

app.get('/', function (req, res) {
  // req.hostname

  res.render('qmining/main', {
    siteurl: url,
    qa: actions.ProcessQA()
  })
  res.end()
})

app.get('/manual', function (req, res) {
  res.render('qmining/man')
  res.end()
  logger.LogReq(req)
})

app.get('/legacy', function (req, res) {
  var f = utils.ReadFile(dataFile)
  var d = actions.LoadJSON(f)
  let qcount = 0
  for (let i = 0; i < d.length; i++) { qcount += d.Subjects[i].length }
  let scount = d.length

  res.render('qmining/alldata', {
    data: d,
    scount: scount,
    qcount: qcount,
    siteurl: url
  })

  logger.LogReq(req)
})

app.post('/postfeedback', function (req, res) {
  res.redirect('back')
  logger.Log('New feedback message', logger.GetColor('bluebg'), true)
  utils.AppendToFile('\n\n' + logger.GetDateString() + ': ' + req.body.message_field, msgFile)
})

app.get('/postfeedback', function (req, res) {
  res.redirect('/')
})

app.post('/isAdding', function (req, res) {
  res.end('OK')
  logger.LogReq(req)
  actions.ProcessIncomingRequest(req.body.datatoadd)
  utils.WriteBackup()
})

app.get('/lred', function (req, res) {
  res.redirect('/legacy')
  res.end()
  logger.LogReq(req)
})

app.get('/menuClick', function (req, res) {
  res.redirect('/')
  res.end()
  logger.LogReq(req)
})

// all questions readable
app.get('/allqr', function (req, res) {
  var f = utils.ReadFile(dataFile)
  var d = actions.LoadJSON(f)

  res.render('qmining/allqr', {
    d: d.toString().split('\n')
  })
  logger.LogReq(req)
})

app.get('/greasy', function (req, res) {
  res.redirect('https://greasyfork.org/en/scripts/38999-moodle-elearning-kmooc-test-help')
  res.end()
  logger.LogReq(req)
})

app.get('/install', function (req, res) {
  res.redirect(url + '/moodle-test-userscript/stable.user.js?install')
  res.end()
  logger.LogReq(req)
})

app.get('/install', function (req, res) {
  res.redirect(url + '/moodle-test-userscript/stable.user.js')
  res.end()
  logger.LogReq(req)
})

app.get('/classesgit', function (req, res) {
  res.redirect('https://gitlab.com/MrFry/question-classes')
  res.end()
  logger.LogReq(req)
})

app.get('/scriptgit', function (req, res) {
  res.redirect('https://gitlab.com/MrFry/moodle-test-userscript')
  res.end()
  logger.LogReq(req)
})

app.get('/servergit', function (req, res) {
  res.redirect('https://gitlab.com/MrFry/mrfrys-node-server')
  res.end()
  logger.LogReq(req)
})

function UploadFile (req, res, path, next) {
  var fstream
  req.pipe(req.busboy)
  req.busboy.on('file', function (fieldname, file, filename) {
    logger.Log('Uploading: ' + filename, logger.GetColor('blue'))

    utils.CreatePath(path, true)
    let d = new Date()
    let fn = d.getHours() + '' + d.getMinutes() + '' + d.getSeconds() + '_' + filename

    fstream = fs.createWriteStream(path + '/' + fn)
    file.pipe(fstream)
    fstream.on('close', function () {
      logger.Log('Upload Finished of ' + path + '/' + fn, logger.GetColor('blue'))
      next(fn)
    })
    fstream.on('error', function (err) {
      console.log(err)
      res.end('something bad happened :s')
    })
  })
}

app.route('/fosuploader').post(function (req, res, next) {
  UploadFile(req, res, uloadFiles, (fn) => {
    res.redirect('/f/' + fn)
  })
})

app.route('/badtestsender').post(function (req, res, next) {
  UploadFile(req, res, recivedFiles, (fn) => {
    res.render('qmining/uploaded')
  })
  logger.LogReq(req)
})

app.get('*', function (req, res) {
  res.status(404).render('shared/404')
})

app.post('*', function (req, res) {
  res.status(404).render('shared/404')
})

exports.app = app
exports.setup = (x) => {
  url = x.url
}

logger.Log('Qmining module started', logger.GetColor('yellow'))