public Race(string id, List <Pilot> pilots, List <LapRace> lapRaces)
{
// this property is not handle automatically because we dont have a real database to handle
// this for us
Id = id;
_lapRaces = lapRaces;
_positionPilots = GetPilotsPositions(pilots);
_pilots = pilots;
// calculate the BestLap [which we are considering the Lap in which some pilot finished in less time]
BestLap = GetBestLap();
}
/// <summary>
/// Fetch RaceEvent from source data file. The RaceEvent will be used to create all repositories
/// </summary>
/// <returns></returns>
private ICollection <RaceEvent> getRaceEvents()
{
// create the list race Events
var raceEvents = new List <RaceEvent>();
// set lines
IEnumerable <string> lines = null;
try
{
var path = Path.Combine(Directory.GetCurrentDirectory(), "racing_data.txt");
// get all lines from .txt data source
lines = File.ReadLines(path);
}
catch (Exception ex)
{
throw new Exception("There was a problem in read the data source file", ex);
}
// if the lines is still null, then return null
if (lines == null)
{
return(null);
}
try
{
// iterate through every line
var lineNumber = 1;
foreach (var line in lines)
{
// skip the first line
if (lineNumber == 1)
{
lineNumber++;
continue;
}
// Split string separated by multiple spaces, ignoring single spaces
var fields = System.Text.RegularExpressions.Regex.Split(line, @"\s{2,}");
// create the pilot
var pilot = new Pilot
{
Id = fields[1].Split(" ").First(),
Name = fields[1].Split(" ").Last()
};
// create lap race
var lapRace = new LapRace
{
TimeEvent = TimeSpan.Parse(fields[0]),
PilotId = fields[1].Split(" ").First(),
Number = int.Parse(fields[2]),
TimeDuration = TimeSpan.ParseExact(fields[3], @"%m\:ss\.fff", CultureInfo.InvariantCulture),
MeanVelocity = double.Parse(fields[4], new CultureInfo("pt-BR"))
};
// create the race event
var raceEvent = new RaceEvent
{
Sequence = lineNumber - 1,
Pilot = pilot,
LapRace = lapRace
};
// add event Race to the collection
raceEvents.Add(raceEvent);
// increment lineNumber
lineNumber++;
}
}
catch (Exception ex)
{
throw new Exception("There was a problem on parse values from the data source", ex);
}
return(raceEvents);
}
