Time table feature initiated

src/main/java/com/rit/whatsapp/controller/WebhookController.java

@@ -186,6 +186,11 @@ public class WebhookController {
             return;
         }
 
+        if ("student_weekly_timetable".equals(selectedButtonId)) {
+            studentMenuHandler.handleWeeklyTimetable(phoneNumber);
+            return;
+        }
+
         if (currentState == UserState.AWAITING_GRIEVANCE_CATEGORY) {
             grievanceHandler.handleCategorySelection(phoneNumber, selectedButtonId);
         } else {

src/main/java/com/rit/whatsapp/handler/StudentMenuHandler.java

@@ -69,7 +69,21 @@ public class StudentMenuHandler {
                 
             case "student_timetable":
                 String rawTimetable = imsApiService.getTimetable(token);
-                sendResponseWithMenu(phoneNumber, MessageFormatter.formatTimetable(rawTimetable));
+                String todaySchedule = MessageFormatter.formatTimetable(rawTimetable);
+                
+                // Truncate to stay safely within WhatsApp 1024 character limit for button bodies
+                if (todaySchedule.length() > 1020) {
+                    todaySchedule = todaySchedule.substring(0, 1017) + "...";
+                }
+                
+                List<Map<String, String>> buttons = new ArrayList<>();
+                Map<String, String> weeklyBtn = new HashMap<>();
+                weeklyBtn.put("id", "student_weekly_timetable");
+                weeklyBtn.put("title", "Weekly Timetable");
+                buttons.add(weeklyBtn);
+                
+                Map<String, Object> buttonMessage = WhatsAppMessageBuilder.buildButtonMessage(todaySchedule, buttons);
+                messageService.sendInteractiveMessage(phoneNumber, buttonMessage);
                 break;
 
             case "student_internal_marks":
@@ -217,6 +231,23 @@ public class StudentMenuHandler {
         sessionService.resetState(phoneNumber); // Reset state after fetching receipt
     }
 
+    public void handleWeeklyTimetable(String phoneNumber) {
+        String token = sessionService.getImsToken(phoneNumber);
+        if (token == null) {
+            messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
+            return;
+        }
+
+        String rawTimetable = imsApiService.getTimetable(token);
+        String weeklyTimetable = MessageFormatter.formatWeeklyTimetable(rawTimetable);
+        
+        // Send weekly timetable as standard message (up to 4096 characters limit)
+        messageService.sendMessage(phoneNumber, weeklyTimetable);
+        
+        // Follow up with Student Menu list message
+        sendResponseWithMenu(phoneNumber, "Select an option from the menu below.");
+    }
+
     private void sendResponseWithMenu(String phoneNumber, String bodyText) {
         // Meta API interactive list body limit is 1024 characters
         if (bodyText.length() > 1024) {

src/main/java/com/rit/whatsapp/util/MessageFormatter.java

@@ -443,4 +443,85 @@ public class MessageFormatter {
         } catch (Exception e) {}
         return rows;
     }
+
+    public static String formatWeeklyTimetable(String rawJson) {
+        if (rawJson == null) return "❌ Failed to retrieve weekly timetable data.";
+        
+        try {
+            JsonNode root = mapper.readTree(rawJson);
+            
+            if (!root.has("data") || !root.get("data").isObject() || !root.get("data").has("schedule")) {
+                return "❌ Weekly timetable details not available in the response.";
+            }
+            
+            JsonNode schedule = root.get("data").get("schedule");
+            StringBuilder sb = new StringBuilder();
+            sb.append("📅 *Weekly Class Timetable*\n\n");
+            sb.append("```\n");
+            sb.append(String.format("%-3s | %-11s | %s\n", "Day", "Time/Period", "Subject (Room)"));
+            sb.append("----+-------------+------------------------\n");
+            
+            String[] days = {"monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"};
+            String[] dayAbbrevs = {"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
+            boolean hasAnyClasses = false;
+            
+            for (int i = 0; i < days.length; i++) {
+                String day = days[i];
+                String abbrev = dayAbbrevs[i];
+                
+                if (schedule.has(day)) {
+                    JsonNode daySchedule = schedule.get(day);
+                    
+                    if (daySchedule.isObject() && daySchedule.size() > 0) {
+                        java.util.Iterator<java.util.Map.Entry<String, JsonNode>> fields = daySchedule.fields();
+                        while (fields.hasNext()) {
+                            java.util.Map.Entry<String, JsonNode> field = fields.next();
+                            String timeOrPeriod = field.getKey();
+                            JsonNode details = field.getValue();
+                            
+                            String course = "";
+                            String room = "";
+                            if (details.isObject()) {
+                                course = details.has("course_name") ? details.get("course_name").asText() : 
+                                         (details.has("name") ? details.get("name").asText() : "Unknown");
+                                room = details.has("room") ? details.get("room").asText() : "";
+                            } else {
+                                course = details.asText();
+                            }
+                            
+                            String subjectRoom = room.isEmpty() ? course : course + " (" + room + ")";
+                            sb.append(String.format("%-3s | %-11s | %s\n", abbrev, truncate(timeOrPeriod, 11), subjectRoom));
+                            hasAnyClasses = true;
+                        }
+                    } else if (daySchedule.isArray() && daySchedule.size() > 0) {
+                        for (JsonNode details : daySchedule) {
+                            String time = details.has("time") ? details.get("time").asText() : "TBA";
+                            String course = details.has("course_name") ? details.get("course_name").asText() : "Unknown";
+                            String room = details.has("room") ? details.get("room").asText() : "";
+                            
+                            String subjectRoom = room.isEmpty() ? course : course + " (" + room + ")";
+                            sb.append(String.format("%-3s | %-11s | %s\n", abbrev, truncate(time, 11), subjectRoom));
+                            hasAnyClasses = true;
+                        }
+                    }
+                }
+            }
+            
+            sb.append("```");
+            
+            if (!hasAnyClasses) {
+                return "📅 *Weekly Class Timetable*\n\nNo classes scheduled for this week.";
+            }
+            
+            return sb.toString();
+        } catch (Exception e) {
+            return "⚠️ Error formatting weekly timetable data.";
+        }
+    }
+    
+    private static String truncate(String text, int length) {
+        if (text == null) return "";
+        if (text.length() <= length) return text;
+        return text.substring(0, length);
+    }
 }