From 5ea7de558bbc70b49e3c13694a5537a0afd355a0 Mon Sep 17 00:00:00 2001
From: Shanmuga Krishnan S M <shanmugakrishnan.240293@aids.ritchennai.edu.in>
Date: Wed, 19 Aug 2026 14:07:48 +0530
Subject: [PATCH] fix: completely remove Saturday from timetable model, parser,
 fallback, and UI

---
 .../StudentDashboard/StudentDashboard.tsx     | 13 +++++------
 src/services/imsService.ts                    | 23 +++----------------
 2 files changed, 9 insertions(+), 27 deletions(-)

diff --git a/src/pages/StudentDashboard/StudentDashboard.tsx b/src/pages/StudentDashboard/StudentDashboard.tsx
index 4ca88f9..d646e90 100644
--- a/src/pages/StudentDashboard/StudentDashboard.tsx
+++ b/src/pages/StudentDashboard/StudentDashboard.tsx
@@ -35,7 +35,7 @@ export default function StudentDashboard() {
 
   // Navigation State
   const [activeTab, setActiveTab] = useState<'timetable' | 'attendance' | 'marks' | 'grades' | 'faculties'>('timetable');
-  const [selectedDay, setSelectedDay] = useState<'monday' | 'tuesday' | 'wednesday' | 'thursday' | 'friday' | 'saturday'>('monday');
+  const [selectedDay, setSelectedDay] = useState<'monday' | 'tuesday' | 'wednesday' | 'thursday' | 'friday'>('monday');
   const [selectedSemFilter, setSelectedSemFilter] = useState<number>(0);
 
   // Loaded Data States
@@ -67,9 +67,9 @@ export default function StudentDashboard() {
     }
   }, [session?.token]);
 
-  // Set default day to today
+  // Set default day to today (Mon-Fri)
   useEffect(() => {
-    const dayNames: (keyof WeeklySchedule)[] = ['monday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'];
+    const dayNames: (keyof WeeklySchedule)[] = ['monday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'friday'];
     const today = dayNames[new Date().getDay()] || 'monday';
     setSelectedDay(today);
   }, []);
@@ -84,12 +84,12 @@ export default function StudentDashboard() {
       const tt = await fetchImsTimetable(token, p.registerNumber, force);
       setTimetable(tt);
 
-      const dayNames: (keyof WeeklySchedule)[] = ['monday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'];
+      const dayNames: (keyof WeeklySchedule)[] = ['monday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'friday'];
       const today = dayNames[new Date().getDay()] || 'monday';
       if (tt && tt[today] && tt[today].length > 0) {
         setSelectedDay(today);
       } else if (tt) {
-        const firstActive = (['monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'] as const).find(
+        const firstActive = (['monday', 'tuesday', 'wednesday', 'thursday', 'friday'] as const).find(
           d => tt[d] && tt[d].length > 0
         );
         if (firstActive) setSelectedDay(firstActive);
@@ -734,9 +734,8 @@ export default function StudentDashboard() {
             {/* Day Switcher */}
             <div className="flex flex-wrap items-center justify-between gap-3 bg-white p-4 rounded-2xl border border-[#E5E7EB] shadow-sm">
               <div className="flex items-center gap-2 overflow-x-auto py-1">
-                {(['monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'] as const).map((dayKey) => {
+                {(['monday', 'tuesday', 'wednesday', 'thursday', 'friday'] as const).map((dayKey) => {
                   const count = timetable?.[dayKey]?.length || 0;
-                  if (dayKey === 'saturday' && count === 0) return null;
                   const isSelected = selectedDay === dayKey;
                   return (
                     <button
diff --git a/src/services/imsService.ts b/src/services/imsService.ts
index 4e26211..c7d6170 100644
--- a/src/services/imsService.ts
+++ b/src/services/imsService.ts
@@ -34,7 +34,6 @@ export interface WeeklySchedule {
   wednesday: TimetablePeriod[];
   thursday: TimetablePeriod[];
   friday: TimetablePeriod[];
-  saturday: TimetablePeriod[];
 }
 
 export interface SubjectAttendance {
@@ -282,15 +281,6 @@ export function generateCurriculumSchedule(deptCode: string, semester: number):
       { 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: [
-      { periodNumber: 1, timeSlot: '08:45 AM - 09:40 AM', startTime: '08:45', endTime: '09:40', subjectCode: 'AD23IC3', subjectName: 'Tableau - Data Visualization', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'LAB' },
-      { periodNumber: 2, timeSlot: '09:40 AM - 10:35 AM', startTime: '09:40', endTime: '10:35', subjectCode: 'MX23511', subjectName: 'Disaster Risk Reduction', staffName: 'DR. SRINIVASAN M P (PH22)', type: 'THEORY' },
-      { periodNumber: 3, timeSlot: '10:50 AM - 11:45 AM', startTime: '10:50', endTime: '11:45', subjectCode: 'AD23IC3', subjectName: 'Tableau - Data Visualization', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'LAB' },
-      { periodNumber: 4, timeSlot: '11:45 AM - 12:40 PM', startTime: '11:45', endTime: '12:40', subjectCode: 'AD23IC3', subjectName: 'Tableau - Data Visualization', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'LAB' },
-      { periodNumber: 5, timeSlot: '01:30 PM - 02:25 PM', startTime: '13:30', endTime: '14:25', subjectCode: 'AD23IC3', subjectName: 'Tableau - Data Visualization', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'LAB' },
-      { periodNumber: 6, timeSlot: '02:25 PM - 03:20 PM', startTime: '14:25', endTime: '15:20', subjectCode: 'AD23IC3', subjectName: 'Tableau - Data Visualization', staffName: 'FOUZIA SULTHANA K. (CS84)', type: 'LAB' },
-      { periodNumber: 7, timeSlot: '03:20 PM - 04:15 PM', startTime: '15:20', endTime: '16:15', subjectCode: 'MX23511', subjectName: 'Disaster Risk Reduction', staffName: 'DR. SRINIVASAN M P (PH22)', type: 'THEORY' },
-    ],
   };
 }
 
@@ -316,7 +306,6 @@ export function normalizeTimetableSchedule(scheduleRaw: any): WeeklySchedule {
     wednesday: [],
     thursday: [],
     friday: [],
-    saturday: [],
   };
 
   if (!scheduleRaw) return weekly;
@@ -351,12 +340,6 @@ export function normalizeTimetableSchedule(scheduleRaw: any): WeeklySchedule {
     'friday': 'friday',
     'day 5': 'friday',
     'day5': 'friday',
-
-    '6': 'saturday',
-    'sat': 'saturday',
-    'saturday': 'saturday',
-    'day 6': 'saturday',
-    'day6': 'saturday',
   };
 
   const scheduleMap = scheduleRaw.schedule || scheduleRaw.data?.schedule || scheduleRaw.data || scheduleRaw;
@@ -697,7 +680,7 @@ export function updateImsProfileName(newName: string): StudentProfile | null {
  */
 export async function fetchImsTimetable(_token: string, regNumber: string, _forceRefresh = false): Promise<WeeklySchedule> {
   let weeklySchedule: WeeklySchedule = {
-    monday: [], tuesday: [], wednesday: [], thursday: [], friday: [], saturday: [],
+    monday: [], tuesday: [], wednesday: [], thursday: [], friday: [],
   };
 
   try {
@@ -736,11 +719,11 @@ export async function fetchImsTimetable(_token: string, regNumber: string, _forc
     if (forms.length > 0) {
       const dayAliases: Record<string, keyof WeeklySchedule> = {
         'monday': 'monday', 'tuesday': 'tuesday', 'wednesday': 'wednesday',
-        'thursday': 'thursday', 'friday': 'friday', 'saturday': 'saturday',
+        'thursday': 'thursday', 'friday': 'friday',
       };
 
       const periodMap: Record<string, Record<number, TimetablePeriod>> = {
-        monday: {}, tuesday: {}, wednesday: {}, thursday: {}, friday: {}, saturday: {}
+        monday: {}, tuesday: {}, wednesday: {}, thursday: {}, friday: {}
       };
 
       forms.forEach(form => {