private List<SingleBusStopForIndirectConnection> FindBusStopsWithLinesWhichAreCloseToTheTarget(Repository repository, SoughtConnection soughtConnection, Delegates.UpdateInformationAboutProgresForTheUser updateInformationForUserAboutSearching)
{
SearcherOfDirectRoutes searcherOfDirectConnections = new SearcherOfDirectRoutes();
List<SingleBusStopForIndirectConnection> busStopsToCheckList = InitializeBusStopsToCheckList(soughtConnection, repository.BusStops);
List<SingleBusStopForIndirectConnection> busStopsCheckedList = new List<SingleBusStopForIndirectConnection>();
string busStopNameStopCondition = "";
NeighbourBusStopsRecognizer.Direction direction;
if (soughtConnection.IsDeparture)
{
busStopNameStopCondition = soughtConnection.EndBusStop;
direction = NeighbourBusStopsRecognizer.Direction.Next;
}
else
{
busStopNameStopCondition = soughtConnection.StartBusStop;
direction = NeighbourBusStopsRecognizer.Direction.Previous;
}
// lastBusStop is (only in the first step)
// - start bus stop for departure
// - end bus stop for arrival
SingleBusStopForIndirectConnection lastBusStop = busStopsToCheckList.Last();
busStopsToCheckList.RemoveAt(busStopsToCheckList.Count - 1);
busStopsCheckedList.Add(lastBusStop);
int numberOfAllBusStopsToCheck = busStopsToCheckList.Count;
TimeOfArrival maxWaitingTime = new TimeOfArrival(2, 0);
do
{
double actualProgress = (double)busStopsCheckedList.Count / (double)numberOfAllBusStopsToCheck;
updateInformationForUserAboutSearching(actualProgress);
DateTime dateTomeForRecognizerOfNeighbourBusStops = new DateTime();
if (soughtConnection.IsDeparture)
{
dateTomeForRecognizerOfNeighbourBusStops = lastBusStop.ArrivalDateTimeAtThisBusStopForDepartureOrAtTheNextBusStopForArrival;
}
else
{
dateTomeForRecognizerOfNeighbourBusStops = lastBusStop.DepartureDateTimeFromPreviousBusStopForDepartureOrFromCurrentBusStopForArrival;
}
List<string> neighbourBusStopsList = new NeighbourBusStopsRecognizer().RecognizeNeighbourBusStopsInSpecifiedDirection(lastBusStop.BusStopName,
repository, dateTomeForRecognizerOfNeighbourBusStops, direction);
foreach (SingleBusStopForIndirectConnection oneBusStop in busStopsToCheckList)
{
bool oneBusStopWasFound = false;
foreach (string neighbourBusStop in neighbourBusStopsList)
{
if (neighbourBusStop.Equals(oneBusStop.BusStopName))
{
oneBusStopWasFound = true;
break;
}
}
if (!oneBusStopWasFound)
{
continue;
}
SoughtConnection singleSoughtConnection = null;
if (soughtConnection.IsDeparture)
{
singleSoughtConnection = new SoughtConnection(lastBusStop.BusStopName, oneBusStop.BusStopName,
lastBusStop.ArrivalDateTimeAtThisBusStopForDepartureOrAtTheNextBusStopForArrival, soughtConnection.IsDeparture);
}
else
{
singleSoughtConnection = new SoughtConnection(oneBusStop.BusStopName, lastBusStop.BusStopName,
lastBusStop.DepartureDateTimeFromPreviousBusStopForDepartureOrFromCurrentBusStopForArrival, soughtConnection.IsDeparture);
}
SearchResultConnection singleResult = searcherOfDirectConnections.FindDirectConnectionWitMaxWaitingTime(repository, singleSoughtConnection, maxWaitingTime);
if (singleResult != null)
{
TimeOfArrival newArrivalTimeOnEndBusStop = new TimeOfArrival(singleResult.ArrivalDateTime.Hour, singleResult.ArrivalDateTime.Minute);
if (oneBusStop.TotalTimeFromStartBus == null)
{
// only save this informations
oneBusStop.ChangeFields(lastBusStop.BusStopName, singleResult.LineNumber,
lastBusStop.TotalTimeFromStartBus + singleResult.TimeDistanceBetweenBusStops, singleResult.ArrivalDateTime, singleResult.DepartureDateTime);
}
else
{
// check if new time is lower and then save this
if ((lastBusStop.TotalTimeFromStartBus + singleResult.TimeDistanceBetweenBusStops) < oneBusStop.TotalTimeFromStartBus) // condition
{
oneBusStop.ChangeFields(lastBusStop.BusStopName, singleResult.LineNumber,
lastBusStop.TotalTimeFromStartBus + singleResult.TimeDistanceBetweenBusStops, singleResult.ArrivalDateTime, singleResult.DepartureDateTime);
}
}
}
}
int indexOfTheNearestBusStop = -1;
TimeOfArrival actualTotalTimeTravel = new TimeOfArrival(23, 59);
for (int i = 0; i < busStopsToCheckList.Count; i++)
{
if (busStopsToCheckList[i].TotalTimeFromStartBus == null)
{
continue;
}
if (busStopsToCheckList[i].TotalTimeFromStartBus < actualTotalTimeTravel)
{
indexOfTheNearestBusStop = i;
actualTotalTimeTravel = busStopsToCheckList[i].TotalTimeFromStartBus;
}
}
// probably route doesn't exist
if (indexOfTheNearestBusStop == -1)
{
break;
}
lastBusStop = busStopsToCheckList[indexOfTheNearestBusStop];
busStopsToCheckList.RemoveAt(indexOfTheNearestBusStop);
busStopsCheckedList.Add(lastBusStop);
maxWaitingTime = new TimeOfArrival(0, 20);
// one of the conditions - found end bus stop and route to this bus stop
if (lastBusStop.BusStopName.Equals(busStopNameStopCondition))
{
break;
}
} while (busStopsToCheckList.Count > 0);
return busStopsCheckedList;
}