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'use strict'
const Promise = require('bluebird')
const cheerio = require('cheerio')
const _ = require('lodash')
const request = Promise.promisify(require('request'))
let meetingpointData
let lastUpdate
function getUsers (page) {
const script = page('script').eq(1).text()
const regexs = [/var classes = \[(.+)\];/, /var teachers = \[(.+)\];/, /var rooms = \[(.+)\];/, /var students = \[(.+)\];/]
const items = regexs.map(function (regex) {
const match = script.match(regex)
if (!match) {
return []
}
return match[1].split(',').map(function (item) {
return item.replace(/"/g, '')
})
})
return []
.concat(items[0].map(function (item, index) {
return {
type: 'c',
value: item,
index: index
}
}))
.concat(items[1].map(function (item, index) {
return {
type: 't',
value: item,
index: index
}
}))
.concat(items[2].map(function (item, index) {
return {
type: 'r',
value: item,
index: index
}
}))
.concat(items[3].map(function (item, index) {
return {
type: 's',
value: item,
index: index
}
}))
}
function getValidWeekNumbers(page) {
const weekSelector = page('select[name="week"]');
const weekNumbers = _.map(weekSelector.children(), option => parseInt(option.attribs.value))
return weekNumbers;
}
function requestData() {
lastUpdate = new Date()
const url = process.env.SCHOOL_LEVEL === 'mavo'
? 'http://www.meetingpointmco.nl/Roosters-AL/TOSweb/dagroosters/frames/navbar.htm'
: 'http://www.meetingpointmco.nl/Roosters-AL/doc/dagroosters/frames/navbar.htm';
console.log(url);
return request(url, { timeout: 5000 }).then((response) => {
const page = cheerio.load(response.body)
console.log('hey')
const users = getUsers(page)
console.log(users);
const validWeekNumbers = getValidWeekNumbers(page)
meetingpointData = { users, validWeekNumbers }
return meetingpointData
})
}
function getMeetingpointData () {
if (lastUpdate == null || new Date() - lastUpdate > 10 * 60 * 1000) { // 10 minutes
return requestData()
} else if (!meetingpointData) {
return Promise.reject()
} else {
return Promise.resolve(meetingpointData)
}
}
module.exports = getMeetingpointData
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