const config = require('settings/config'); const cal = require('calendar'); const redirectIfNotLogged = require('auth/views').redirectIfNotLogged; const getUrl = require('create-url').getUrl; function stdTimezoneOffset(date) { var jan = new Date(date.getFullYear(), 0, 1); var jul = new Date(date.getFullYear(), 6, 1); return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset()); } function isDstObserved(date) { return date.getTimezoneOffset() < stdTimezoneOffset(date); } function compareStrings(a, b) { if (a < b) return -1; if (a > b) return 1; return 0; } function computeUserTable(user, callback) { let result = {}; cal.getTotal(user, (table) => { let courses = []; let total = { name: "Total", type: "", time: 0, tdEquivalent: 0, } for (let key in table) { courses.push({ name: key, type: table[key].type, time: table[key].time, tdEquivalent: table[key].tdEquivalent, }); total.time += table[key].time; total.tdEquivalent += table[key].tdEquivalent; } result.courses = courses; result.total = total; callback(result); }); } function computeUserTableByCourse(user, callback) { let result = {}; cal.getTotalByCourse(user, (table) => { let courses = []; let total = { name: "Total" }; for (let type in cal.Type) { total[type] = 0; } total.totalTdEquivalent = 0; for (let key in table) { let item = {}; item.name = key; for (let type in cal.Type) { item[type] = table[key][type]; total[type] += table[key][type]; } item.totalTdEquivalent = table[key].totalTdEquivalent; total.totalTdEquivalent += table[key].totalTdEquivalent; courses.push(item); } result.courses = courses.sort((a,b) => -(a.totalTdEquivalent - b.totalTdEquivalent)); result.total = total; callback(result); }); } module.exports.total = redirectIfNotLogged('total', function(req, res, render) { res.locals.tableUrl = getUrl('totalTable'); render('total.pug'); }); module.exports.totalByCourse = redirectIfNotLogged('totalByCourse', function(req, res, render) { res.locals.tableUrl = getUrl('totalTableByCourse'); render('total.pug'); }); module.exports.totalTable = function(req, res, render, next) { if (req.session.user === undefined) { res.status(404); res.setHeader('Content-Type', 'text/html'); res.render(config.BASE_DIR + '/templates/404.pug', res.locals, function(err, result) { if (err) console.log(err); res.send(result); }); return; } computeUserTable(req.session.user, (result) => { res.locals.courses = result.courses; res.locals.total = result.total; render('totalTable.pug'); }); } module.exports.totalTableByCourse = function(req, res, render, next) { if (req.session.user === undefined) { res.status(404); res.setHeader('Content-Type', 'text/html'); res.render(config.BASE_DIR + '/templates/404.pug', res.locals, function(err, result) { if (err) console.log(err); res.send(result); }); return; } computeUserTableByCourse(req.session.user, (result) => { res.locals.types = []; for (let type in cal.Type) { res.locals.types.push(type); } res.locals.courses = []; res.locals.noCourses = []; for (let course of result.courses) { if (course.totalTdEquivalent > 0) { res.locals.courses.push(course); } else { res.locals.noCourses.push(course); } } res.locals.total = result.total; render('totalTableByCourse.pug'); }); } module.exports.histogram = redirectIfNotLogged('histogram', function(req, res, render) { render('histogram.pug'); }); module.exports.histogramData = function(req, res, render, next) { if (req.session.user === undefined) { res.status(404); res.setHeader('Content-Type', 'text/html'); res.render(config.BASE_DIR + '/templates/404.pug', res.locals, function(err, result) { if (err) console.log(err); res.send(result); }); return; } cal.getCalendar(req.session.user, new Date(2000, 1, 1), new Date(3000, 1, 1), (calendar) => { let histogram = {}; for (let event of calendar.events) { let hours = event.startTime.getHours(); if (hours % 2 === 0) { hours += 2; } else { hours += 1; } hours = hours.toString().padStart(2, '0'); let minutes = event.startTime.getMinutes().toString().padStart(2, '0'); let key = hours + ':' + minutes; histogram[key] = histogram[key] || 0; histogram[key]++; } let histogramArray = []; for (let key in histogram) { histogramArray.push({ time: key, count: histogram[key], }); } histogramArray.sort((a, b) => compareStrings(a.time, b.time)); res.send(JSON.stringify(histogramArray)); }); } module.exports.calendar = redirectIfNotLogged('calendar', function(req, res, render) { res.locals.calendarUrl = getUrl('calendarData'); render('calendar.pug'); }); module.exports.calendarData = function(req, res, render) { if (req.session.user === undefined) { res.status(404); res.setHeader('Content-Type', 'text/html'); res.render(config.BASE_DIR + '/templates/404.pug', res.locals, function(err, result) { if (err) console.log(err); res.send(result); }); return; } cal.getCalendar(req.session.user, new Date(2000, 1, 1), new Date(3000, 1, 1), (calendar) => { let events = []; for (let event of calendar.events) { if (isDstObserved(event.startTime)) { event.startTime.setTime(event.startTime.getTime() + (60 * 60 * 1000)); } if (isDstObserved(event.finishTime)) { event.finishTime.setTime(event.finishTime.getTime() + (60 * 60 * 1000)); } events.push({ title: event.name + '\n' + event.location, start: event.startTime, end: event.finishTime, }); } res.send(JSON.stringify(events)); }); }