private static void transposeList(List<FoodSchedule> schedule, int transpose) {
// Get date from first event
FoodSchedule foodSchedule = schedule.get(0);
DateTime dateTime = foodSchedule.getDateTime();
// we need at least as many fridays as are scheduled
int minFridays = schedule.size();
int year = dateTime.getYear();
String lastDate = "31/12/" + year;
// Get fridays and remove count
String startDate = dateTime.toString(FridayFinder.DATE_PATTERN);
List<DateTime> fridaysOfYear = FridayFinder.getFridays(startDate, lastDate);
// check that fridays is at least minFridays+transpose
if (fridaysOfYear.size() < minFridays + transpose) {
// add a new year
DateTime lastDayOfCurrYear = FridayFinder.DATE_PATTERN.parseDateTime(lastDate);
DateTime firstDayNextYear = lastDayOfCurrYear.plusDays(1);
DateTime nextYearLastDay = lastDayOfCurrYear.plusYears(1);
// get new list and add all
fridaysOfYear.addAll(FridayFinder.getFridays(firstDayNextYear, nextYearLastDay));
}
for (int i = 0; i < transpose; i++) {
fridaysOfYear.remove(0);
}
// rebuild participant list
for (int i = 0; i < schedule.size(); i++) {
FoodSchedule fs = schedule.get(i);
fs.setDateTime(fridaysOfYear.get(i));
}
}
