public Result <CommandArgumentContainer> IsCorrectArgumentCount(CommandArgumentContainer args)
{
Result <BotCommandDescriptor> commandTask = _commands.GetCommand(args.CommandName);
if (commandTask.IsFailed)
{
return(commandTask.ToResult <CommandArgumentContainer>());
}
return(commandTask.Value.Args.Length == args.Arguments.Count
? Result.Ok(args)
: Result.Fail <CommandArgumentContainer>("Cannot execute command. Argument count miss matched with command signature"));
}
public Result <CommandArgumentContainer> IsCommandCanBeExecuted(CommandArgumentContainer args)
{
Result <BotCommandDescriptor> commandTask = _commands.GetCommand(args.CommandName);
if (commandTask.IsFailed)
{
return(commandTask.ToResult <CommandArgumentContainer>());
}
IBotCommand command = commandTask.Value.ResolveCommand(_serviceProvider);
Result canExecute = command.CanExecute(args);
return(canExecute.IsSuccess
? Result.Ok(args)
: Result.Fail <CommandArgumentContainer>($"Command [{commandTask.Value.CommandName}] cannot be executed: {canExecute}"));
}
public Result <IBotMessage> ExecuteCommand(CommandArgumentContainer args)
{
Result <BotCommandDescriptor> commandDescriptor = _commands.GetCommand(args.CommandName);
if (!commandDescriptor.IsSuccess)
{
return(commandDescriptor.ToResult <IBotMessage>());
}
try
{
IBotCommand command = commandDescriptor.Value.ResolveCommand(_serviceProvider);
return(command switch
{
IBotAsyncCommand asyncCommand => asyncCommand.Execute(args).Result,
IBotSyncCommand syncCommand => syncCommand.Execute(args),
_ => Result.Fail(new Error("Command execution failed. Wrong command inheritance."))
});
}