public void removePickupDatesBefore(Date minDate) {
List<String> dates = getDates();
boolean dateRemoved = false;
for (String dateS : new ArrayList<String>(dates)) {
Date date = new Date(dateS);
if (date == null) continue;
if (date.isBefore(minDate)) {
dates.remove(dateS);
dateRemoved = true;
}
}
if (dateRemoved) json.put("dates", dates);
}
