//add players
public void AddPlayer(Players player)
{
if (CheckIfPlayerExists(player))
{
throw new ArgumentException("Player with that name already exists for the current team");
}
this.players.Add(player);
}
private static void AddPlayerToTeam(string firstName, string lastName, DateTime birthDate,
decimal salary, string teamAsString)
{
if (League.Teams.All(p => p.Name != teamAsString))
{
throw new ArgumentException("This team does not compete in the current League");
}
Teams newPLayerTeam = League.Teams.First(team => team.Name == teamAsString);
Players newPlayer = new Players(firstName, lastName, birthDate, salary, newPLayerTeam);
newPLayerTeam.AddPlayer(newPlayer);
Console.WriteLine($"Player {newPlayer.FirstName} {newPlayer.LastName} added to team to" +
$" {newPLayerTeam.Name}");
}
private bool CheckIfPlayerExists(Players player)
{
return this.players.Any(p => p.FirstName == player.FirstName &&
p.LastName == player.LastName);
}