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feat: match reference timetable grid matrix UI, support period cell arrays, preserve empty cells with dash without fake Free Period fallback

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Shanmuga Krishnan S M
2026-08-19 14:20:44 +05:30
parent 1641bf2110
commit b712b1e2f1
2 changed files with 260 additions and 243 deletions
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234
src/services/imsService.ts
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@@ -28,12 +28,15 @@ export interface TimetablePeriod {
type: 'THEORY' | 'LAB';
}
export type DaySchedule = Record<number, TimetablePeriod[]>;
export interface WeeklySchedule {
monday: TimetablePeriod[];
tuesday: TimetablePeriod[];
wednesday: TimetablePeriod[];
thursday: TimetablePeriod[];
friday: TimetablePeriod[];
monday: DaySchedule;
tuesday: DaySchedule;
wednesday: DaySchedule;
thursday: DaySchedule;
friday: DaySchedule;
saturday: DaySchedule;
}
export interface SubjectAttendance {
@@ -235,8 +238,17 @@ export function parseDepartmentCode(rawDept: string = ''): string {
}
export function generateCurriculumSchedule(deptCode: string, semester: number): WeeklySchedule {
const createDay = (list: TimetablePeriod[]): DaySchedule => {
const day: DaySchedule = { 1: [], 2: [], 3: [], 4: [], 5: [], 6: [], 7: [] };
list.forEach(p => {
if (!day[p.periodNumber]) day[p.periodNumber] = [];
day[p.periodNumber].push(p);
});
return day;
};
return {
monday: [
monday: createDay([
{ periodNumber: 1, timeSlot: '08:45 AM - 09:40 AM', startTime: '08:45', endTime: '09:40', subjectCode: 'AD23511', subjectName: 'Deep Learning', staffName: 'ARTHI A. (CS87)', type: 'THEORY' },
{ periodNumber: 2, timeSlot: '09:40 AM - 10:35 AM', startTime: '09:40', endTime: '10:35', subjectCode: 'AD23V12', subjectName: 'Big Data Analytics', staffName: 'KAVITHA V (CS253)', type: 'THEORY' },
{ periodNumber: 3, timeSlot: '10:50 AM - 11:45 AM', startTime: '10:50', endTime: '11:45', subjectCode: 'CS23511', subjectName: 'Computer Networks', staffName: 'SELVAKUMARAN S. (CS91)', type: 'THEORY' },
@@ -244,17 +256,16 @@ export function generateCurriculumSchedule(deptCode: string, semester: number):
{ periodNumber: 5, timeSlot: '01:30 PM - 02:25 PM', startTime: '13:30', endTime: '14:25', subjectCode: 'CB23531', subjectName: 'Business Analytics', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'THEORY' },
{ periodNumber: 6, timeSlot: '02:25 PM - 03:20 PM', startTime: '14:25', endTime: '15:20', subjectCode: 'AD23532', subjectName: 'Data Exploration & Visualization', staffName: 'DR.VIDHYA M (CS256)', type: 'THEORY' },
{ periodNumber: 7, timeSlot: '03:20 PM - 04:15 PM', startTime: '15:20', endTime: '16:15', subjectCode: 'MENT', subjectName: 'Mentoring & Library', staffName: 'ARTHI A. (CS87)', type: 'THEORY' },
],
tuesday: [
]),
tuesday: createDay([
{ periodNumber: 1, timeSlot: '08:45 AM - 09:40 AM', startTime: '08:45', endTime: '09:40', subjectCode: 'AD23V15', subjectName: 'Image and Video Analytics', staffName: 'JOEL J (CS226)', type: 'THEORY' },
{ periodNumber: 2, timeSlot: '09:40 AM - 10:35 AM', startTime: '09:40', endTime: '10:35', subjectCode: 'AD23532', subjectName: 'Data Exploration & Visualization', staffName: 'DR.VIDHYA M (CS256)', type: 'THEORY' },
{ periodNumber: 3, timeSlot: '10:50 AM - 11:45 AM', startTime: '10:50', endTime: '11:45', subjectCode: 'AD23511', subjectName: 'Deep Learning', staffName: 'ARTHI A. (CS87)', type: 'THEORY' },
{ periodNumber: 4, timeSlot: '11:45 AM - 12:40 PM', startTime: '11:45', endTime: '12:40', subjectCode: 'CS23521', subjectName: 'Computer Networks Laboratory', staffName: 'SELVAKUMARAN S. (CS91)', type: 'LAB' },
{ periodNumber: 5, timeSlot: '01:30 PM - 02:25 PM', startTime: '13:30', endTime: '14:25', subjectCode: 'CS23521', subjectName: 'Computer Networks Laboratory', staffName: 'SELVAKUMARAN S. (CS91)', type: 'LAB' },
{ periodNumber: 6, timeSlot: '02:25 PM - 03:20 PM', startTime: '14:25', endTime: '15:20', subjectCode: 'CB23531', subjectName: 'Business Analytics', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'THEORY' },
{ periodNumber: 7, timeSlot: '03:20 PM - 04:15 PM', startTime: '15:20', endTime: '16:15', subjectCode: 'MENT', subjectName: 'Mentoring & Guidance', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'THEORY' },
],
wednesday: [
]),
wednesday: createDay([
{ periodNumber: 1, timeSlot: '08:45 AM - 09:40 AM', startTime: '08:45', endTime: '09:40', subjectCode: 'AD23521', subjectName: 'Deep Learning Laboratory', staffName: 'ARTHI A. (CS87)', type: 'LAB' },
{ periodNumber: 2, timeSlot: '09:40 AM - 10:35 AM', startTime: '09:40', endTime: '10:35', subjectCode: 'AD23521', subjectName: 'Deep Learning Laboratory', staffName: 'ARTHI A. (CS87)', type: 'LAB' },
{ periodNumber: 3, timeSlot: '10:50 AM - 11:45 AM', startTime: '10:50', endTime: '11:45', subjectCode: 'AD23V15', subjectName: 'Image and Video Analytics', staffName: 'JOEL J (CS226)', type: 'THEORY' },
@@ -262,8 +273,8 @@ export function generateCurriculumSchedule(deptCode: string, semester: number):
{ periodNumber: 5, timeSlot: '01:30 PM - 02:25 PM', startTime: '13:30', endTime: '14:25', subjectCode: 'AD23V12', subjectName: 'Big Data Analytics', staffName: 'KAVITHA V (CS253)', type: 'THEORY' },
{ periodNumber: 6, timeSlot: '02:25 PM - 03:20 PM', startTime: '14:25', endTime: '15:20', subjectCode: 'CS23511', subjectName: 'Computer Networks', staffName: 'SELVAKUMARAN S. (CS91)', type: 'THEORY' },
{ periodNumber: 7, timeSlot: '03:20 PM - 04:15 PM', startTime: '15:20', endTime: '16:15', subjectCode: 'MENT', subjectName: 'Mentoring Session', staffName: 'KAVITHA V (CS253)', type: 'THEORY' },
],
thursday: [
]),
thursday: createDay([
{ periodNumber: 1, timeSlot: '08:45 AM - 09:40 AM', startTime: '08:45', endTime: '09:40', subjectCode: 'CB23531', subjectName: 'Business Analytics', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'THEORY' },
{ periodNumber: 2, timeSlot: '09:40 AM - 10:35 AM', startTime: '09:40', endTime: '10:35', subjectCode: 'CS23511', subjectName: 'Computer Networks', staffName: 'SELVAKUMARAN S. (CS91)', type: 'THEORY' },
{ periodNumber: 3, timeSlot: '10:50 AM - 11:45 AM', startTime: '10:50', endTime: '11:45', subjectCode: 'AD23511', subjectName: 'Deep Learning', staffName: 'ARTHI A. (CS87)', type: 'THEORY' },
@@ -271,8 +282,8 @@ export function generateCurriculumSchedule(deptCode: string, semester: number):
{ periodNumber: 5, timeSlot: '01:30 PM - 02:25 PM', startTime: '13:30', endTime: '14:25', subjectCode: 'AD23V12', subjectName: 'Big Data Analytics', staffName: 'KAVITHA V (CS253)', type: 'THEORY' },
{ periodNumber: 6, timeSlot: '02:25 PM - 03:20 PM', startTime: '14:25', endTime: '15:20', subjectCode: 'AD23532', subjectName: 'Data Exploration & Visualization', staffName: 'DR.VIDHYA M (CS256)', type: 'THEORY' },
{ periodNumber: 7, timeSlot: '03:20 PM - 04:15 PM', startTime: '15:20', endTime: '16:15', subjectCode: 'MENT', subjectName: 'Mentoring Hour', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'THEORY' },
],
friday: [
]),
friday: createDay([
{ periodNumber: 1, timeSlot: '08:45 AM - 09:40 AM', startTime: '08:45', endTime: '09:40', subjectCode: 'AD23V12', subjectName: 'Big Data Analytics', staffName: 'KAVITHA V (CS253)', type: 'THEORY' },
{ periodNumber: 2, timeSlot: '09:40 AM - 10:35 AM', startTime: '09:40', endTime: '10:35', subjectCode: 'AD23V15', subjectName: 'Image and Video Analytics', staffName: 'JOEL J (CS226)', type: 'THEORY' },
{ periodNumber: 3, timeSlot: '10:50 AM - 11:45 AM', startTime: '10:50', endTime: '11:45', subjectCode: 'AD23511', subjectName: 'Deep Learning', staffName: 'ARTHI A. (CS87)', type: 'THEORY' },
@@ -280,7 +291,16 @@ export function generateCurriculumSchedule(deptCode: string, semester: number):
{ periodNumber: 5, timeSlot: '01:30 PM - 02:25 PM', startTime: '13:30', endTime: '14:25', subjectCode: 'AD23532', subjectName: 'Data Exploration & Visualization', staffName: 'DR.VIDHYA M (CS256)', type: 'THEORY' },
{ periodNumber: 6, timeSlot: '02:25 PM - 03:20 PM', startTime: '14:25', endTime: '15:20', subjectCode: 'CB23531', subjectName: 'Business Analytics', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'THEORY' },
{ periodNumber: 7, timeSlot: '03:20 PM - 04:15 PM', startTime: '15:20', endTime: '16:15', subjectCode: 'CB23531', subjectName: 'Business Analytics', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'THEORY' },
],
]),
saturday: createDay([
{ periodNumber: 1, timeSlot: '08:45 AM - 09:40 AM', startTime: '08:45', endTime: '09:40', subjectCode: 'MX23511', subjectName: 'Disaster Risk Reduction and Management', staffName: 'DR. SRINIVASAN M P (PH22)', type: 'THEORY' },
{ periodNumber: 2, timeSlot: '09:40 AM - 10:35 AM', startTime: '09:40', endTime: '10:35', subjectCode: 'AD23IC3', subjectName: 'Tableau - Data Visualization', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'LAB' },
{ periodNumber: 3, timeSlot: '10:50 AM - 11:45 AM', startTime: '10:50', endTime: '11:45', subjectCode: 'MX23511', subjectName: 'Disaster Risk Reduction and Management', staffName: 'DR. SRINIVASAN M P (PH22)', type: 'THEORY' },
{ periodNumber: 4, timeSlot: '11:45 AM - 12:40 PM', startTime: '11:45', endTime: '12:40', subjectCode: 'MX23511', subjectName: 'Disaster Risk Reduction and Management', staffName: 'DR. SRINIVASAN M P (PH22)', type: 'THEORY' },
{ periodNumber: 5, timeSlot: '01:30 PM - 02:25 PM', startTime: '13:30', endTime: '14:25', subjectCode: 'MX23511', subjectName: 'Disaster Risk Reduction and Management', staffName: 'DR. SRINIVASAN M P (PH22)', type: 'THEORY' },
{ periodNumber: 6, timeSlot: '02:25 PM - 03:20 PM', startTime: '14:25', endTime: '15:20', subjectCode: 'MX23511', subjectName: 'Disaster Risk Reduction and Management', staffName: 'DR. SRINIVASAN M P (PH22)', type: 'THEORY' },
{ periodNumber: 7, timeSlot: '03:20 PM - 04:15 PM', startTime: '15:20', endTime: '16:15', subjectCode: 'AD23IC3', subjectName: 'Tableau - Data Visualization', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'LAB' },
]),
};
}
@@ -300,46 +320,25 @@ const startTimes = ['08:45', '09:40', '10:50', '11:45', '13:30', '14:25', '15:20
const endTimes = ['09:40', '10:35', '11:45', '12:40', '14:25', '15:20', '16:15', '17:10', '18:05', '19:00'];
export function normalizeTimetableSchedule(scheduleRaw: any): WeeklySchedule {
const emptyDay = (): DaySchedule => ({ 1: [], 2: [], 3: [], 4: [], 5: [], 6: [], 7: [] });
const weekly: WeeklySchedule = {
monday: [],
tuesday: [],
wednesday: [],
thursday: [],
friday: [],
monday: emptyDay(),
tuesday: emptyDay(),
wednesday: emptyDay(),
thursday: emptyDay(),
friday: emptyDay(),
saturday: emptyDay(),
};
if (!scheduleRaw) return weekly;
const dayAliases: Record<string, keyof WeeklySchedule> = {
'1': 'monday',
'mon': 'monday',
'monday': 'monday',
'day 1': 'monday',
'day1': 'monday',
'2': 'tuesday',
'tue': 'tuesday',
'tuesday': 'tuesday',
'day 2': 'tuesday',
'day2': 'tuesday',
'3': 'wednesday',
'wed': 'wednesday',
'wednesday': 'wednesday',
'day 3': 'wednesday',
'day3': 'wednesday',
'4': 'thursday',
'thu': 'thursday',
'thursday': 'thursday',
'day 4': 'thursday',
'day4': 'thursday',
'5': 'friday',
'fri': 'friday',
'friday': 'friday',
'day 5': 'friday',
'day5': 'friday',
'1': 'monday', 'mon': 'monday', 'monday': 'monday',
'2': 'tuesday', 'tue': 'tuesday', 'tuesday': 'tuesday',
'3': 'wednesday', 'wed': 'wednesday', 'wednesday': 'wednesday',
'4': 'thursday', 'thu': 'thursday', 'thursday': 'thursday',
'5': 'friday', 'fri': 'friday', 'friday': 'friday',
'6': 'saturday', 'sat': 'saturday', 'saturday': 'saturday',
};
const scheduleMap = scheduleRaw.schedule || scheduleRaw.data?.schedule || scheduleRaw.data || scheduleRaw;
@@ -353,6 +352,7 @@ export function normalizeTimetableSchedule(scheduleRaw: any): WeeklySchedule {
if (typeof dayObj === 'object' && !Array.isArray(dayObj)) {
Object.keys(dayObj).forEach((rawPeriod) => {
const pNum = parseInt(rawPeriod, 10);
if (pNum < 1 || pNum > 7) return;
const rawItems = dayObj[rawPeriod];
const items = Array.isArray(rawItems) ? rawItems : [rawItems];
@@ -365,11 +365,12 @@ export function normalizeTimetableSchedule(scheduleRaw: any): WeeklySchedule {
const isLab = (subName && subName.toLowerCase().includes('lab')) || subCode.includes('71') || subCode.includes('81');
if (subName || subCode || staff) {
weekly[normalizedDay].push({
periodNumber: pNum || (weekly[normalizedDay].length + 1),
timeSlot: timeSlots[(pNum || (weekly[normalizedDay].length + 1)) - 1] || `Period ${pNum || 1}`,
startTime: startTimes[(pNum || 1) - 1] || '08:45',
endTime: endTimes[(pNum || 1) - 1] || '09:40',
if (!weekly[normalizedDay][pNum]) weekly[normalizedDay][pNum] = [];
weekly[normalizedDay][pNum].push({
periodNumber: pNum,
timeSlot: timeSlots[pNum - 1] || `Period ${pNum}`,
startTime: startTimes[pNum - 1] || '08:45',
endTime: endTimes[pNum - 1] || '09:40',
subjectCode: subCode || 'SUB',
subjectName: subName || 'Core Subject',
staffName: staff || 'Faculty Member',
@@ -379,32 +380,7 @@ export function normalizeTimetableSchedule(scheduleRaw: any): WeeklySchedule {
}
});
});
} else if (Array.isArray(dayObj)) {
dayObj.forEach((item: any, idx: number) => {
if (!item) return;
const pNum = item.period || item.periodNumber || (idx + 1);
const subName = item.subjectName || item.name || item.subject || '';
const subCode = item.subjectCode || item.code || '';
const staff = item.staffName || item.staff || '';
const isLab = (subName && subName.toLowerCase().includes('lab')) || subCode.includes('71') || subCode.includes('81');
if (subName || subCode || staff) {
weekly[normalizedDay].push({
periodNumber: pNum,
timeSlot: timeSlots[pNum - 1] || `Period ${pNum}`,
startTime: startTimes[pNum - 1] || '08:45',
endTime: endTimes[pNum - 1] || '09:40',
subjectCode: subCode || 'SUB',
subjectName: subName || 'Core Subject',
staffName: staff || 'Faculty Member',
staffCode: item.staffCode,
type: isLab ? 'LAB' : 'THEORY',
});
}
});
}
weekly[normalizedDay].sort((a, b) => a.periodNumber - b.periodNumber);
});
}
@@ -679,22 +655,23 @@ export function updateImsProfileName(newName: string): StudentProfile | null {
* Replicates reference site's fetchTimetable() from imsScraper.ts
*/
export async function fetchImsTimetable(_token: string, regNumber: string, _forceRefresh = false): Promise<WeeklySchedule> {
const emptyDay = (): DaySchedule => ({ 1: [], 2: [], 3: [], 4: [], 5: [], 6: [], 7: [] });
let weeklySchedule: WeeklySchedule = {
monday: [], tuesday: [], wednesday: [], thursday: [], friday: [],
monday: emptyDay(), tuesday: emptyDay(), wednesday: emptyDay(), thursday: emptyDay(), friday: emptyDay(), saturday: emptyDay(),
};
try {
const session = getStoredImsSession();
let targetUrl = session?.profile?.timetableUrl || '';
// If targetUrl is not stored yet, discover it dynamically from the report menu page
if (!targetUrl) {
const navRes = await fetch('/ims/admin/grade/student/mark/report', { credentials: 'same-origin' });
if (navRes.ok) {
const navHtml = await navRes.text();
const navDoc = new DOMParser().parseFromString(navHtml, 'text/html');
const ttLink = navDoc.querySelector('a[href*="student-time-table"]')?.getAttribute('href');
if (ttLink) {
const html = await navRes.text();
const doc = new DOMParser().parseFromString(html, 'text/html');
const ttLinkEl = doc.querySelector('a[href*="time-table"]');
if (ttLinkEl) {
const ttLink = ttLinkEl.getAttribute('href') || '';
if (ttLink.startsWith('https://ims.ritchennai.edu.in')) {
targetUrl = ttLink.replace('https://ims.ritchennai.edu.in', '/ims');
} else if (ttLink.startsWith('/')) {
@@ -714,16 +691,15 @@ export async function fetchImsTimetable(_token: string, regNumber: string, _forc
const html = await response.text();
const doc = new DOMParser().parseFromString(html, 'text/html');
// Parse .period_form elements — exact same logic as reference site
const forms = Array.from(doc.querySelectorAll('.period_form'));
if (forms.length > 0) {
const dayAliases: Record<string, keyof WeeklySchedule> = {
'monday': 'monday', 'tuesday': 'tuesday', 'wednesday': 'wednesday',
'thursday': 'thursday', 'friday': 'friday',
};
const periodMap: Record<string, Record<number, TimetablePeriod>> = {
monday: {}, tuesday: {}, wednesday: {}, thursday: {}, friday: {}
'monday': 'monday', 'mon': 'monday', '1': 'monday',
'tuesday': 'tuesday', 'tue': 'tuesday', '2': 'tuesday',
'wednesday': 'wednesday', 'wed': 'wednesday', '3': 'wednesday',
'thursday': 'thursday', 'thu': 'thursday', '4': 'thursday',
'friday': 'friday', 'fri': 'friday', '5': 'friday',
'saturday': 'saturday', 'sat': 'saturday', '6': 'saturday',
};
forms.forEach(form => {
@@ -732,7 +708,7 @@ export async function fetchImsTimetable(_token: string, regNumber: string, _forc
const day = (dayInput?.value || '').toLowerCase().trim();
const period = parseInt(periodInput?.value || '0', 10);
if (!day || !period || isNaN(period) || period < 1 || period > 10) return;
if (!day || !period || isNaN(period) || period < 1 || period > 7) return;
const normalizedDay = dayAliases[day];
if (!normalizedDay) return;
@@ -753,7 +729,6 @@ export async function fetchImsTimetable(_token: string, regNumber: string, _forc
});
}
// Fallback text check for non-standard subjects (NPTEL, Aptitude, Mentoring, Placement, Library, etc.)
if (!rawSubject) {
const fullTxt = form.textContent?.trim() || '';
if (fullTxt) rawSubject = fullTxt.replace(/\s+/g, ' ').slice(0, 60);
@@ -777,66 +752,39 @@ export async function fetchImsTimetable(_token: string, regNumber: string, _forc
staffName = `${staffMatch[1].trim()} (${staffMatch[2].trim()})`;
}
// STRICT USER RULE: Mark as LAB ONLY if subject name contains 'lab' or 'laboratory' (case insensitive)
const rawSubLower = subjectName.toLowerCase();
const isLab = rawSubLower.includes('lab') || rawSubLower.includes('laboratory');
const periodIndex = period - 1;
const existing = periodMap[normalizedDay][period];
const periodItem: TimetablePeriod = {
periodNumber: period,
timeSlot: (period - 1) < timeSlots.length ? timeSlots[period - 1] : `Period ${period}`,
startTime: (period - 1) < startTimes.length ? startTimes[period - 1] : '',
endTime: (period - 1) < endTimes.length ? endTimes[period - 1] : '',
subjectCode,
subjectName,
staffName,
type: isLab ? 'LAB' : 'THEORY',
};
if (!existing) {
periodMap[normalizedDay][period] = {
periodNumber: period,
timeSlot: periodIndex < timeSlots.length ? timeSlots[periodIndex] : `Period ${period}`,
startTime: periodIndex < startTimes.length ? startTimes[periodIndex] : '',
endTime: periodIndex < endTimes.length ? endTimes[periodIndex] : '',
subjectCode,
subjectName,
staffName,
type: isLab ? 'LAB' : 'THEORY',
};
} else {
// Merge staff names if same course or elective slot
if (staffName && !existing.staffName.includes(staffName)) {
existing.staffName += `, ${staffName}`;
}
const existingList = weeklySchedule[normalizedDay][period] || [];
const isDuplicate = existingList.some(
p => p.subjectCode === subjectCode && p.staffName === staffName && p.subjectName === subjectName
);
if (!isDuplicate) {
existingList.push(periodItem);
weeklySchedule[normalizedDay][period] = existingList;
}
});
// Populate weeklySchedule from periodMap (Ensure EVERY day Monday-Friday has EXACTLY 7 periods)
const standardDays: (keyof WeeklySchedule)[] = ['monday', 'tuesday', 'wednesday', 'thursday', 'friday'];
standardDays.forEach((day) => {
const existingMap = periodMap[day] || {};
const fullDayPeriods: TimetablePeriod[] = [];
for (let pNum = 1; pNum <= 7; pNum++) {
const periodIndex = pNum - 1;
if (existingMap[pNum]) {
fullDayPeriods.push(existingMap[pNum]);
} else {
fullDayPeriods.push({
periodNumber: pNum,
timeSlot: timeSlots[periodIndex] || `Period ${pNum}`,
startTime: startTimes[periodIndex] || '',
endTime: endTimes[periodIndex] || '',
subjectCode: 'FREE',
subjectName: 'Free Period / Library',
staffName: 'Self Study',
type: 'THEORY',
});
}
}
weeklySchedule[day] = fullDayPeriods;
});
}
} catch (err) {
console.warn('Direct timetable scrape failed:', err);
}
// Fallback to hardcoded schedule only if scraping returned nothing
const totalPeriods = Object.values(weeklySchedule).reduce((acc, periods) => acc + periods.length, 0);
const totalPeriods = Object.values(weeklySchedule).reduce((acc: number, daySched: any) => {
return acc + Object.values(daySched || {}).reduce((dAcc: number, pList: any) => dAcc + (pList?.length || 0), 0);
}, 0);
if (totalPeriods === 0) {
const deduced = deduceStudentDetails(regNumber || '0000000000000');
weeklySchedule = generateCurriculumSchedule(deduced.departmentCode, deduced.semester);