internal static bool HasSameLoco(this IEnumerable <VehicleSchedule> me, StationCall one, StationCall another)
{
var foundOne = me.FindVehicleSchedule(one);
var foundOther = me.FindVehicleSchedule(another);
return(!(foundOne is null) && !(foundOther is null) && foundOne == foundOther);
}
public static IEnumerable <Message> GetValidationErrors(this StationCall me)
{
var result = new List <Message>();
if (me.Arrival > me.Departure)
{
result.Add(Message.Warning(string.Format(CultureInfo.CurrentCulture, Resources.Strings.ArrivalIsAfterDeparture, me.Track.Station.Name, me.Arrival, me.Departure)));
}
return(result);
}
internal void Add(StationCall call)
{
if (call == null)
{
throw new ArgumentNullException(nameof(call));
}
if (Calls.Contains(call))
{
return;
}
Calls.Add(call);
}
public void Add(StationCall call)
{
if (call == null)
{
throw new ArgumentNullException(nameof(call));
}
if (Calls.Contains(call))
{
return;
}
call.Train = this;
call.SequenceNumber = lastSequenceNumber++;
Calls.Add(call);
}
} //For deserialzation.
public StretchPassing(StationCall from, StationCall to, bool isOdd)
{
if (from == null)
{
throw new ArgumentNullException(nameof(from));
}
if (to == null)
{
throw new ArgumentNullException(nameof(to));
}
if (!from.Train.Equals(to.Train))
{
throw new TimetableException($"From and to station call must be on the same train: from={from}, to={to}");
}
Train = from.Train;
From = from;
To = to;
IsOdd = isOdd;
}
internal static (bool, IEnumerable <StationCall>) GetConflicts(this StationTrack me, StationCall call, IEnumerable <StationCall> withCalls, IEnumerable <VehicleSchedule> locos)
{
if (me.Calls.Count == 0)
{
return(false, null);
}
var conflictingCalls = withCalls
.Where(c => !locos.HasSameLoco(call, c) && (
(call.Departure > c.Arrival && call.Departure <= c.Departure) ||
(call.Arrival >= c.Arrival && call.Arrival < c.Departure)));
if (conflictingCalls.Any())
{
return(true, conflictingCalls);
}
return(false, null);
}
private static IEnumerable <(StationCall one, StationCall other)> GetConflicts(this StationCall me, IEnumerable <StationCall> remaining, IEnumerable <VehicleSchedule> locos)
{
var result = new List <(StationCall, StationCall)>();
var conflictingWithMe = remaining.Where(r => r.Track.Equals(me.Track) && !r.Train.Equals(me.Train) && r.Arrival > me.Departure && r.Departure < me.Arrival && !locos.HasSameLoco(r, me)).ToList();
result.AddRange(conflictingWithMe.Select(c => (me, c)));
if (remaining.Count() > 1)
{
result.AddRange(GetConflicts(remaining.First(), remaining.Skip(1), locos));
}
return(result);
}
internal static bool ContainsCall(this TrainPart me, StationCall call)
{
return(me.Train == call.Train && call.SequenceNumber >= me.From.SequenceNumber && call.SequenceNumber <= me.To.SequenceNumber);
}
internal static VehicleSchedule FindVehicleSchedule(this IEnumerable <VehicleSchedule> me, StationCall call)
{
if (me == null)
{
return(null);
}
foreach (var schedule in me.Where(s => s.IsLoco))
{
foreach (var part in schedule.Parts)
{
if (part.ContainsCall(call))
{
return(schedule);
}
}
}
return(null);
}
