new changes

src/main/java/com/example/VictoriaPublicHall/service/BookingService.java

@@ -244,22 +244,28 @@ public class BookingService {
     }
 
     public Map<String, Object> getOccupiedSeats(String bookingDate, Long slotId) {
-        String sql = " SELECT bs.booking_id, r.group_id, bs.seat_no " +
+        String sql = "SELECT bs.booking_id, r.group_id, bs.seat_no " +
                 "FROM booking_slots bs " +
                 "JOIN registration_details r ON r.id = bs.booking_id " +
                 "WHERE r.booking_date = ? AND r.slot_id = ? AND r.is_delete = 0 " +
                 "LIMIT 1";
 
-        Map<String, Object> row = jdbc.queryForMap(
+        List<Map<String, Object>> rows = jdbc.queryForList(
                 sql,
                 LocalDate.parse(bookingDate),
                 slotId
         );
 
-        Long bookingId = ((Number) row.get("booking_id")).longValue();
-        Long groupId = ((Number) row.get("group_id")).longValue();
+        Long bookingId = null;
+        Long groupId = null;
 
-        String seatSql = " SELECT bs.seat_no " +
+        if (!rows.isEmpty()) {
+            Map<String, Object> row = rows.get(0);
+            bookingId = ((Number) row.get("booking_id")).longValue();
+            groupId = ((Number) row.get("group_id")).longValue();
+        }
+
+        String seatSql = "SELECT bs.seat_no " +
                 "FROM booking_slots bs " +
                 "JOIN registration_details r ON r.id = bs.booking_id " +
                 "WHERE r.booking_date = ? AND r.slot_id = ? AND r.is_delete = 0 ";
@@ -282,11 +288,14 @@ public class BookingService {
         result.put("occupiedSeats", occupiedSeats);
         result.put("capacity", slotCapacity);
 
-        Map<String, Object> booking = new HashMap<>();
-        booking.put("booking_id", bookingId);
-        booking.put("group_id", groupId);
-
-        result.put("bookings", Collections.singletonList(booking));
+        if (bookingId != null && groupId != null) {
+            Map<String, Object> booking = new HashMap<>();
+            booking.put("booking_id", bookingId);
+            booking.put("group_id", groupId);
+            result.put("bookings", Collections.singletonList(booking));
+        } else {
+            result.put("bookings", Collections.emptyList());
+        }
 
         return result;
     }