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readXlsx.js
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readXlsx.js
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function readXlsx() {
const XLSX = require('xlsx')
const fs = require('fs')
const sheets = XLSX.readFile('./TT.xlsx')
const toProcessSheet = sheets.Sheets[sheets.SheetNames[0]]
let output = [[], []]
let toAddIn = null
let courseName = ''
let lecture = { day: '', time: '', venue: 'TBA' }
let fullName = ''
const searchOutput = () => {
for (let i = 0; i < output[toAddIn].length; i++) {
if (output[toAddIn][i].courseName === courseName) {
return i
}
}
return false
}
const toLoop = Object.entries(toProcessSheet)
for (let i = 0; i < toLoop.length; i++) {
const [key, value] = toLoop[i]
if (key.length === 2 && key[1] === '1') {
} else {
if (key[0] === 'A') {
if (value.w[value.w.length - 1] === '1') {
toAddIn = 0
} else if (value.w[value.w.length - 1] === '2') {
toAddIn = 1
} else {
toAddIn = null
}
} else if (key[0] === 'C') {
courseName = value.w
} else if (key[0] === 'D') {
courseName += '-' + value.w
} else if ('HIJKLMN'.includes(key[0])) {
lecture.day += value.w
} else if (key[0] === 'O') {
lecture.venue = value.w
} else if (key[0] === 'P') {
lecture.time = (value.w.length === 4 ? '0' : '') + value.w
} else if (key[0] === 'Q') {
lecture.time += '-' + (value.w.length === 4 ? '0' : '') + value.w
} else if (key[0] === 'R') {
fullName = value.w
if (toAddIn !== null) {
const indexToAdd = searchOutput()
if (lecture.day.length === 3) {
if (indexToAdd !== false) {
let find = false
for (
let j = 0;
j < output[toAddIn][indexToAdd].lectures.length;
j++
) {
if (
JSON.stringify(output[toAddIn][indexToAdd].lectures[j]) ===
JSON.stringify(lecture)
) {
find = true
break
}
}
if (!find) {
output[toAddIn][indexToAdd].lectures.push({ ...lecture })
}
} else {
output[toAddIn].push({
courseName,
courseTitle: fullName,
lectures: [{ ...lecture }],
isChecked: false,
})
}
} else if (lecture.day.length > 3) {
const lectures = []
const days = lecture.day.match(/.{1,3}/g)
for (let j = 0; j < days.length; j++) {
lectures.push({ ...lecture, day: days[j] })
}
if (indexToAdd !== false) {
for (let j = 0; j < lectures.length; j++) {
let find = false
for (
let k = 0;
k < output[toAddIn][indexToAdd].lectures.length;
k++
) {
if (
JSON.stringify(output[toAddIn][indexToAdd].lectures[k]) ===
JSON.stringify(lectures[j])
) {
find = true
break
}
}
if (!find) {
output[toAddIn][indexToAdd].lectures.push({ ...lectures[j] })
}
}
} else {
output[toAddIn].push({
courseName,
courseTitle: fullName,
lectures,
isChecked: false,
})
}
}
}
toAddIn = null
courseName = ''
lecture = { day: '', time: '', venue: 'TBA' }
fullName = ''
}
}
}
const pos = {
CB: 'Chow Yei Ching Building',
CCT: 'Cheng Yu Tung Tower',
CJT: 'Jockey Club Tower',
CRT: 'Run Run Shaw Tower',
CPD: 'Central Podium Levels, Centennial Campus',
CYC: 'Chong Yuet Ming Chemistry Building',
CYP: 'Chong Yuet Ming Physics Building',
EH: 'Eliot Hall',
JL: 'James Hsioung Lee Science Building',
JMSCDMLAB: 'JMSC Digital Media Lab',
KB: 'Knowles Building',
KK: 'K.K. Leung Building',
LE: 'Library Extension',
MB: 'Main Building',
MW: 'Meng Wah Complex',
RHT: 'Rayson Huang Theatre',
TT: 'T.T. Tsui Building',
RM: 'Runme Shaw Building',
RR: 'Run Run Shaw Building',
TWFINNO: 'Tam Wing Fan Innovation Wing',
ONLINE: 'online',
HW: 'Haking Wong Building',
GH: 'Graduate House',
WLGH: 'Wang Gungwu Lecture Hall',
TBA: 'To be announced',
}
const notFindList = []
output[0].forEach(course => {
course.lectures.forEach(item => {
let find = false
Object.entries(pos).forEach(([key, value]) => {
if (item.venue.substring(0, key.length) === key) {
find = true
}
})
if (!find) {
notFindList.push(item.venue)
}
})
})
output[1].forEach(course => {
course.lectures.forEach(item => {
let find = false
Object.entries(pos).forEach(([key, value]) => {
if (item.venue.substring(0, key.length) === key) {
find = true
}
})
if (!find) {
notFindList.push(item.venue)
}
})
})
fs.writeFile(
'./courseDataSem2.json',
JSON.stringify(output[1]),
err => {
if (err) {
console.error('Error writing file:', err)
return
}
console.log('File exported successfully.')
}
)
}
readXlsx()