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users.js
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users.js
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var database = require('./database.js'),
fs = require('fs'),
chalk = require('chalk');
const
error = chalk.redBright('ERROR'),
warning = chalk.keyword('orange')('WARN'),
info = chalk.cyan('INFO');
function checkLogin(req, res){
if(!req.session.ID){
console.log(warning, 'Refused access to a protected resource.');
res.redirect('/?failed=1');
return false;
}
return true;
}
exports.login = function(req, res){
if(req.session.ID){
res.redirect('/dashboard');
return;
}
database.login(req.body.user, req.body.pass, function(data){
if(data){
console.log(info, req.body.user, 'logged in.');
req.session.ID = data.id;
req.session.user = req.body.user;
res.redirect('/dashboard');
} else {
console.log(warning, req.body.user, 'entered invalid credentials.');
res.redirect('/?failed=0');
}
});
}
exports.logout = function(req, res){
console.log(info, req.session.user || 'Invalid-user', 'logged out.');
req.session.destroy();
res.redirect('/?failed=2');
}
exports.dashboard = function(req, res){
if(!checkLogin(req, res)) return;
database.getVideos(function(data){
let t = 0, s = 0;
for(t = 1; t<data.length; t++){
if(data[t-1].date){
s += (data[t-1].date != 'Később');
}
}
res.render('dashboard.pug', {
user: {
name: req.session.user
},
videos: data,
stats: {
solved: s,
total: t,
precent: Math.round(s*100/t)
}
});
});
}
function getFileName(num, name){
let ext = '.' + name.split('.').pop();
if(!fs.existsSync('./public/uploads/' + num + ext)) return num + ext;
let i = 1;
while(fs.existsSync('./public/uploads/' + num + '_' + i + ext)){
i += 1;
}
return num + '_' + i + ext;
}
exports.upload = function(req, res){
if(!checkLogin(req, res)) return;
if(!req.body.number){
console.log(warning, req.session.user, 'did not provide a number.');
res.send('0');
return;
}
if(!req.body.later){
if(req.files ? (req.files.videoFile ? req.files.videoFile.size > 0 : false) : false){
let fn = getFileName(req.body.number, req.files.videoFile.name);
req.files.videoFile.mv('./public/uploads/' + fn, (err) => {
if(err){
console.log(error, 'File upload of', fn, '(' + req.files.videoFile.name +') failed.');
res.send('2');
} else {
database.markVideo(req.body.number, req.body.time, req.session.user, false);
res.send('3');
}
});
} else {
console.log(warning, req.session.user, 'did not provide a file.');
res.send('1');
}
} else {
database.markVideo(req.body.number, req.body.time, req.session.user, true);
res.send('3');
}
}
exports.list = function(req, res){
if(!checkLogin(req, res)) return;
fs.readFile('./public/uploads/0.txt', 'utf-8', (err, data) =>{
if(err){
console.log(warning, 'Failed to get the contents of 0.txt.');
data = 'Nincs adat.';
}
fs.readdir('./public/uploads', (_err, files) => {
if(_err){
console.log(error, 'Failed to enumerate task files.');
}
files = files.filter((val) => {
return /^0[._][0-9]*\.*jpg/.test(val);
});
res.render('list.pug', {
images: files,
text: data
});
});
});
}
exports.stats = function(req, res){
if(!checkLogin(req, res)) return;
_ = (arr) => {return "['" + arr.join("', '") + "']"}
function getColors(k){
var a = [];
let x = 340/k;
for(let i = 0; i<k; i++){
a.push('hsl(' + i*x + ', 100%, 67%)');
}
return a;
}
database.getStats((rows) => {
let users = [], data = [];
rows.forEach(row => {
users.push(row.user);
data.push(row.videos);
});
res.render('stats.pug', {
users: _(users),
colors: _(getColors(users.length)),
data: _(data)
});
});
}