public void Invoke(string[] args)
{
bool showHelp = false;
string newAlias = null;
string deleteAlias = null;
var options = new OptionSet();
options.Add(
"?|help",
"Show help information.",
x => showHelp = x != null
);
options.Add(
"n|new=",
"Create a new {alias}.",
x => newAlias = x
);
options.Add(
"d|delete=",
"Delete an existing {alias}.",
x => deleteAlias = x
);
if (args == null)
{
CommandResult.WriteLine(DisplayTemplates.InvalidArguments);
}
else
{
try
{
var parsedArgs = options.Parse(args).ToArray();
if (parsedArgs.Length == args.Length)
{
CommandResult.WriteLine(DisplayTemplates.InvalidArguments);
}
else
{
if (showHelp)
{
HelpUtility.WriteHelpInformation(this, options);
}
else if (newAlias != null)
{
if (!newAlias.Is("HELP") && !AvailableCommands.Any(x => x.Name.Is(newAlias)))
{
var alias = _dataBucket.AliasRepository.GetAlias(CommandResult.CurrentUser.Username, newAlias);
if (alias == null)
{
if (CommandResult.CommandContext.PromptData == null)
{
CommandResult.WriteLine("Type the value that should be sent to the terminal when you use your new alias.");
CommandResult.SetPrompt(Name, args, string.Format("{0} VALUE", newAlias.ToUpper()));
}
else if (CommandResult.CommandContext.PromptData.Length == 1)
{
_dataBucket.AliasRepository.AddAlias(new Alias
{
Username = CommandResult.CurrentUser.Username,
Shortcut = newAlias,
Command = CommandResult.CommandContext.PromptData[0]
});
_dataBucket.SaveChanges();
CommandResult.WriteLine("Alias '{0}' was successfully defined.", newAlias.ToUpper());
CommandResult.RestoreContext();
}
}
else
{
CommandResult.WriteLine("You have already defined an alias named '{0}'.", newAlias.ToUpper());
}
}
else
{
CommandResult.WriteLine("'{0}' is an existing command. You cannot create aliases with the same name as existing commands.", newAlias.ToUpper());
}
}
else if (deleteAlias != null)
{
var alias = _dataBucket.AliasRepository.GetAlias(CommandResult.CurrentUser.Username, deleteAlias);
if (alias != null)
{
_dataBucket.AliasRepository.DeleteAlias(alias);
_dataBucket.SaveChanges();
CommandResult.WriteLine("Alias '{0}' was successfully deleted.", deleteAlias.ToUpper());
}
else
{
CommandResult.WriteLine("You have not defined an alias named '{0}'.", deleteAlias.ToUpper());
}
}
}
}
catch (OptionException ex)
{
CommandResult.WriteLine(ex.Message);
}
}
}
