/// <summary>
/// Метод возвращает экземпляр класса <see cref="RailRoad"/> или, если в таблице нет такой записи, создаёт её
/// </summary>
/// <param name="name">Название железной дороги</param>
/// <param name="countryName">Название страны</param>
/// <returns>Экземпляр класса <see cref="RailRoad"/></returns>
public RailRoad GetRailRoad(string name, string countryName)
{
var railRoad = RailRoads.FirstOrDefault(r => r.Name.Equals(name) &&
r.Country.Name.Equals(countryName));
if (railRoad == null)
{
railRoad = new RailRoad {
Name = name, Country = GetCountry(countryName)
};
RailRoads.Add(railRoad);
SaveChanges();
}
return(railRoad);
}
/// <summary>
/// Calculates the railroads that will be in play
/// </summary>
/// <param name="useMeRandomly"></param>
/// <param name="queueListItems"></param>
/// <param name="numberOfPlayers"></param>
private void CalculateRailroads(Random useMeRandomly, List <int> queueListItems, int numberOfPlayers)
{
// local var
List <RailRoads> inPlayRailroads = new List <RailRoads>();
// what do we need to do based on players
switch (numberOfPlayers)
{
// pick which railroad to add
case (3):
// figure out which company is in play
RailRoads railroad = (RailRoads)useMeRandomly.Next(1, 4);
inPlayRailroads.Add(railroad);
break;
// do what's needed for 4 players (only take out 1 railroad)
case (4):
// which railroad is taken out?
RailRoads outOfPlayRailroad = (RailRoads)useMeRandomly.Next(1, 4);
// add the railroads that werent taken out
List <RailRoads> railroadsToAdd = new List <RailRoads>()
{
RailRoads.Chesapeak_And_Ohio,
RailRoads.Erie,
RailRoads.Pennsylvania
}.Except(new List <RailRoads>()
{
outOfPlayRailroad
}).ToList();
// add them to the list
inPlayRailroads.AddRange(railroadsToAdd);
break;
// add in all 5 privates
case (5):
// simple for loop to add all of the privates.
for (int I = 1; I < 4; I++)
{
inPlayRailroads.Add((RailRoads)I);
}
break;
default:
// throw a new exception since this should never get here
throw new Exception("Invalid number of players was received");
}
// notify the user(s)
Console.WriteLine("The railroad(s) chosen for play are:");
foreach (RailRoads railroad in inPlayRailroads)
{
Console.WriteLine($"{railroad.ToString().Replace('_', ' ')}");
}
// buffer space
Console.WriteLine(Environment.NewLine);
}
