feat: add manual semester data update script
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{
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"timetableIds": {
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"anno-1": "687e66d62d13e6001edd366d",
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"anno-2": "687e681301ee9300198320e6",
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"anno-3": "687e68bb01ee9300198320eb",
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"magistrale": "687e6a9f96ea080019d439d5"
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},
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"semesterStartDateStr": "24 settembre 2025",
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"firstMondayDate": "2025-09-29T00:00:00.000Z",
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"buttonText": "Vai al 29 settembre! 🚀",
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"lastUpdated": "2025-08-28T11:47:04.874Z",
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"academicYear": {
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"startYear": 2025,
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"endYear": 2026
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}
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}
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#!/usr/bin/env node
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// Manual update script for semester timetable data
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// Run this script manually each semester to update timetable IDs and dates
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// Usage: node src/scripts/update-semester-data.js
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import https from 'https';
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import fs from 'fs';
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// Get current academic year
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function getCurrentAcademicYear() {
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const now = new Date();
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const currentYear = now.getFullYear();
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const currentMonth = now.getMonth(); // 0-based
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// Academic year starts in September, but August belongs to the new year
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const startYear = currentMonth >= 7 ? currentYear : currentYear - 1;
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const endYear = startYear + 1;
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return { startYear, endYear };
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}
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// Fetch webpage content
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function fetchPage(url) {
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return new Promise((resolve, reject) => {
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https.get(url, (res) => {
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let data = '';
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res.on('data', (chunk) => {
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data += chunk;
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});
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res.on('end', () => {
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resolve(data);
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});
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}).on('error', (err) => {
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reject(err);
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});
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});
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}
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// Parse timetable IDs from the schedule page
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async function parseTimetableIds() {
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try {
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const html = await fetchPage('https://www.dm.unipi.it/didattica/lezioni-esami/orario-delle-lezioni/');
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const ids = {};
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// Extract links with their text to match correctly
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const linkPattern = /<a[^>]*href="[^"]*linkCalendarioId=([a-f0-9]{24})"[^>]*>([^<]+)<\/a>/g;
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const links = [...html.matchAll(linkPattern)];
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for (const [fullMatch, id, text] of links) {
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const cleanText = text.trim();
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if (cleanText === 'Triennale I anno') {
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ids['anno-1'] = id;
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} else if (cleanText === 'Triennale II anno') {
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ids['anno-2'] = id;
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} else if (cleanText === 'Triennale III anno') {
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ids['anno-3'] = id;
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} else if (cleanText === 'Magistrale') {
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ids['magistrale'] = id;
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}
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}
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return Object.keys(ids).length > 0 ? ids : null;
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} catch (error) {
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console.error('Error parsing timetable IDs:', error.message);
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return null;
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}
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}
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// Parse semester start date from calendar page
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async function parseSemesterStartDate() {
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try {
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const { startYear, endYear } = getCurrentAcademicYear();
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const currentMonth = new Date().getMonth();
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const currentSemester = currentMonth >= 1 && currentMonth <= 6 ? 2 : 1;
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const url = `https://www.dm.unipi.it/didattica/lezioni-esami/calendario-delle-attivita-didattiche/calendario-delle-attivita-didattiche-a-a-${startYear}-${endYear.toString().slice(-2)}/`;
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const html = await fetchPage(url);
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// Look for the appropriate semester start date
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const semesterText = currentSemester === 1 ? 'I semestre' : 'II semestre';
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const semesterRegex = new RegExp(`Lezioni\\s+${semesterText}.*?(\\d{1,2}\\s+\\w+\\s+\\d{4})`, 'si');
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const match = html.match(semesterRegex);
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if (match) {
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return match[1];
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} else {
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console.error(`Could not find ${semesterText} start date in calendar`);
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return null;
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}
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} catch (error) {
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console.error('Error parsing semester start date:', error.message);
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return null;
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}
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}
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// Find the first Monday after a given date string
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function getFirstMondayAfter(dateStr) {
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// Parse Italian date format (e.g., "24 settembre 2025")
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const [day, monthName, year] = dateStr.split(' ');
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const monthMap = {
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'gennaio': 0, 'febbraio': 1, 'marzo': 2, 'aprile': 3,
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'maggio': 4, 'giugno': 5, 'luglio': 6, 'agosto': 7,
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'settembre': 8, 'ottobre': 9, 'novembre': 10, 'dicembre': 11
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};
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const month = monthMap[monthName.toLowerCase()];
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if (month === undefined) {
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throw new Error(`Unknown month: ${monthName}`);
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}
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const startDate = new Date(parseInt(year), month, parseInt(day));
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const dayOfWeek = startDate.getDay(); // 0=Sunday, 1=Monday, etc.
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// Calculate days to add to get to the next Monday
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let daysToAdd;
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if (dayOfWeek === 0) { // Sunday
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daysToAdd = 1; // Next day is Monday
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} else if (dayOfWeek === 1) { // Monday
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daysToAdd = 7; // Next Monday
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} else { // Tuesday-Saturday (2-6)
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daysToAdd = 8 - dayOfWeek; // Days until next Monday
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}
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const result = new Date(startDate);
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result.setDate(startDate.getDate() + daysToAdd);
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// Create a new date in UTC to avoid timezone issues with the calendar
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return new Date(Date.UTC(result.getFullYear(), result.getMonth(), result.getDate()));
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}
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// Format date for button text (Italian format)
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function formatDateForButton(date) {
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const day = date.getUTCDate();
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const monthNames = [
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'gennaio', 'febbraio', 'marzo', 'aprile', 'maggio', 'giugno',
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'luglio', 'agosto', 'settembre', 'ottobre', 'novembre', 'dicembre'
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];
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const month = monthNames[date.getUTCMonth()];
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return `${day} ${month}`;
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}
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// Main function
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async function updateAcademicData() {
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const [timetableIds, semesterStartDateStr] = await Promise.all([
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parseTimetableIds(),
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parseSemesterStartDate()
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]);
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// Fail fast if parsing failed
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if (!timetableIds) {
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throw new Error('Failed to parse timetable IDs from the website');
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}
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if (!semesterStartDateStr) {
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throw new Error('Failed to parse semester start date from the calendar');
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}
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const firstMonday = getFirstMondayAfter(semesterStartDateStr);
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const academicData = {
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timetableIds,
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semesterStartDateStr,
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firstMondayDate: firstMonday.toISOString(),
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buttonText: `Vai al ${formatDateForButton(firstMonday)}! 🚀`,
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lastUpdated: new Date().toISOString(),
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academicYear: getCurrentAcademicYear()
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};
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// Save to public/timetable-ids-dates.json
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fs.writeFileSync('public/timetable-ids-dates.json', JSON.stringify(academicData, null, 2));
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console.log('✅ Academic data updated successfully');
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}
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// Run the script
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updateAcademicData().catch(error => {
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console.error('💥 Script failed:', error);
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process.exit(1);
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});
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