GroupID management

storage/mock.go

@@ -241,6 +241,20 @@ func (m *MockStorage) UpdateBookingStatus(bookingid string, newStatus string, re
 	return nil
 }
 
+func (m *MockStorage) GetBookingsByGroupId(groupId string) ([]*types.Booking, error) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+
+	var bookings []*types.Booking
+	for _, booking := range m.bookings {
+		if booking.GroupId == groupId {
+			bookings = append(bookings, booking)
+		}
+	}
+
+	return bookings, nil
+}
+
 // Helper methods for testing
 
 // Reset clears all data - useful for test setup