public static TItem?SelectItem <TItem>(this ISysConsole sysConsole, IEnumerable <TItem> items, Func <TItem, string?> getCaption, TItem?defaultItem)
{
var selectionList = items
.SelectWithIndex()
.Select(x => new { Number = x.Index + 1, Text = getCaption(x.Data), Item = x.Data })
.ToArray();
selectionList.ForEach(x => sysConsole.WriteLine($"[{x.Number}]: {x.Text}"));
var selection = sysConsole.ReadLine();
if (!int.TryParse(selection, out var selectionNumber))
{
throw new InvalidOperationException();
}
var selectedItem = selectionList.FirstOrDefault(x => x.Number == selectionNumber);
return(selectedItem is null
? defaultItem
: selectedItem.Item);
}
public static string?ReadLine(this ISysConsole sysConsole, string text)
{
return(sysConsole
.Write(text)
.ReadLine());
}
public static TItem?SelectItem <TItem>(this ISysConsole sysConsole, IEnumerable <TItem> items, TItem?defaultItem)
{
return(sysConsole.SelectItem(items, x => x?.ToString(), defaultItem));
}
public static TItem?SelectItem <TItem>(this ISysConsole sysConsole, IEnumerable <TItem> items, Func <TItem, string?> getCaption)
{
return(sysConsole.SelectItem(items, getCaption, default));
}
public DefaultConsoleApp(IConsoleAppExecutor consoleAppExecutor, string[] args, ISysConsole sysConsole)
{
_consoleAppExecutor = Ensure.NotNull(consoleAppExecutor, nameof(consoleAppExecutor));
_args = Ensure.NotNull(args, nameof(args));
_sysConsole = Ensure.NotNull(sysConsole, nameof(sysConsole));
}
public CliActionHelpPrinter(ICliActionHelpGenerator helpGenerator, ISysConsole sysConsole)
{
_sysConsole = Ensure.NotNull(sysConsole, nameof(sysConsole));
_helpGenerator = Ensure.NotNull(helpGenerator, nameof(helpGenerator));
}
