/// <summary>
/// Gets the number of blacks and whites for the given code from the
/// user.
/// </summary>
public static (int blacks, int whites) GetBlacksWhites(Code code)
{
while (true)
{
View.PromptBlacksWhites(code);
var input = Console.ReadLine();
if (input is null)
{
Environment.Exit(0);
}
var parts = input.Split(',');
if (parts.Length != 2)
{
View.PromptTwoValues();
}
else
if (!Int32.TryParse(parts[0], out var blacks) || !Int32.TryParse(parts[1], out var whites))
{
View.PromptValidInteger();
}
else
{
return(blacks, whites);
}
}
}
/// <summary>
/// Gets a transaction amount for the given company.
/// </summary>
/// <param name="company">
/// The company to buy or sell.
/// </param>
/// <returns>
/// The number of shares to buy or sell.
/// </returns>
public static int GetTransactionAmount(Company company)
{
while (true)
{
View.PromptBuySellCompany(company);
var input = Console.ReadLine();
if (input is null)
{
Environment.Exit(0);
}
else
if (!Int32.TryParse(input, out var amount))
{
View.PromptValidInteger();
}
else
{
return(amount);
}
}
}
/// <summary>
/// Gets an integer value from the user.
/// </summary>
private static int GetInteger(Action prompt)
{
while (true)
{
prompt();
var input = Console.ReadLine();
if (input is null)
{
Environment.Exit(0);
}
if (Int32.TryParse(input, out var result))
{
return(result);
}
else
{
View.PromptValidInteger();
}
}
}