private void addTimeSlot(
List<TimeSlot> timeSlots,
LocalDateTime time,
CalendarConfig config,
BigDecimal pricePerMinDuration) {
TimeSlot timeSlot = new TimeSlot();
timeSlot.setDate(time.toLocalDate());
timeSlot.setStartTime(time.toLocalTime());
timeSlot.setEndTime(time.toLocalTime().plusMinutes(config.getMinDuration()));
timeSlot.setConfig(config);
timeSlot.setPricePerMinDuration(pricePerMinDuration);
// only add timeSlot if timeSlots does not already contain an entry that overlaps
if (!overlaps(timeSlot, timeSlots)) {
timeSlots.add(timeSlot);
}
}
public OfferDurationPrice getOfferDurationPrice(
LocalDate selectedDate, LocalTime selectedTime, Offer selectedOffer)
throws CalendarConfigException {
List<CalendarConfig> configs = calendarConfigDAO.findFor(selectedDate);
List<Booking> confirmedBookings = bookingDAO.findBlockedBookingsForDate(selectedDate);
// convert to required data structure
Map<Offer, List<CalendarConfig>> offerConfigMap = new HashMap<>();
for (CalendarConfig config : configs) {
for (Offer offer : config.getOffers()) {
if (offer.equals(selectedOffer)) {
List<CalendarConfig> list = offerConfigMap.get(offer);
if (list == null) {
list = new ArrayList<>();
}
list.add(config);
// sort by start time
Collections.sort(list);
offerConfigMap.put(offer, list);
}
}
}
OfferDurationPrice offerDurationPrices = null;
Iterator<Map.Entry<Offer, List<CalendarConfig>>> iterator =
offerConfigMap.entrySet().iterator();
// for every offer
while (iterator.hasNext()) {
Map.Entry<Offer, List<CalendarConfig>> entry = iterator.next();
Offer offer = entry.getKey();
List<CalendarConfig> configsForOffer = entry.getValue();
// make sure the first configuration starts before the requested booking time
if (selectedTime.compareTo(configsForOffer.get(0).getStartTime()) < 0) {
continue;
}
LocalDateTime endTime = null;
Integer duration = configsForOffer.get(0).getMinDuration();
BigDecimal pricePerMinute;
BigDecimal price = null;
CalendarConfig previousConfig = null;
Map<Integer, BigDecimal> durationPriceMap = new TreeMap<>();
Boolean isContiguous = true;
for (CalendarConfig config : configsForOffer) {
// make sure there is no gap between calendar configurations
if (endTime == null) {
// first run
endTime =
getLocalDateTime(selectedDate, selectedTime).plusMinutes(config.getMinDuration());
} else {
// break if there are durations available and calendar configs are not contiguous
if (!durationPriceMap.isEmpty()) {
// we substract min interval before the comparison as it has been added during the last
// iteration
LocalDateTime configStartDateTime =
getLocalDateTime(selectedDate, config.getStartTime());
if (!endTime.minusMinutes(config.getMinInterval()).equals(configStartDateTime)) {
break;
}
}
}
Integer interval = config.getMinInterval();
pricePerMinute = getPricePerMinute(config);
// as long as the endTime is before the end time configured in the calendar
LocalDateTime configEndDateTime = getLocalDateTime(selectedDate, config.getEndTime());
while (endTime.compareTo(configEndDateTime) <= 0) {
TimeSlot timeSlot = new TimeSlot();
timeSlot.setDate(selectedDate);
timeSlot.setStartTime(selectedTime);
timeSlot.setEndTime(endTime.toLocalTime());
timeSlot.setConfig(config);
Long bookingSlotsLeft = getBookingSlotsLeft(timeSlot, offer, confirmedBookings);
// we only allow contiguous bookings for any given offer
if (bookingSlotsLeft < 1) {
isContiguous = false;
break;
}
if (price == null) {
// see if previousConfig endTime - minInterval matches the selected time. if so, take
// half of the previous config price as a basis
if (previousConfig != null
&& previousConfig
.getEndTime()
.minusMinutes(previousConfig.getMinInterval())
.equals(selectedTime)) {
BigDecimal previousConfigPricePerMinute = getPricePerMinute(previousConfig);
price =
previousConfigPricePerMinute.multiply(
new BigDecimal(previousConfig.getMinInterval()), MathContext.DECIMAL128);
price =
price.add(
pricePerMinute.multiply(
new BigDecimal(duration - previousConfig.getMinInterval()),
MathContext.DECIMAL128));
} else {
price =
pricePerMinute.multiply(
new BigDecimal(duration.toString()), MathContext.DECIMAL128);
}
} else {
// add price for additional interval
price =
price.add(
pricePerMinute.multiply(
new BigDecimal(interval.toString()), MathContext.DECIMAL128));
}
price = price.setScale(2, RoundingMode.HALF_EVEN);
durationPriceMap.put(duration, price);
// increase the duration by the configured minimum interval and determine the new end time
// for the next iteration
duration += interval;
endTime = endTime.plusMinutes(interval);
}
if (!durationPriceMap.isEmpty()) {
OfferDurationPrice odp = new OfferDurationPrice();
odp.setOffer(offer);
odp.setDurationPriceMap(durationPriceMap);
odp.setConfig(config);
offerDurationPrices = odp;
}
if (!isContiguous) {
// we only allow coniguous bookings for one offer. process next offer
// previousConfig = null;
break;
}
previousConfig = config;
}
}
return offerDurationPrices;
}