public async Task Execute(IMessage rawMessage)
{
if (string.IsNullOrWhiteSpace(Command))
{
StringBuilder strBuilder = new StringBuilder();
strBuilder.AppendLine(":information_source: __**Here are all supported commands:**__ :information_source:");
strBuilder.AppendLine();
foreach (Type commandType in _commands.OrderBy(x => x.Name))
{
var verbAttr = commandType.GetCustomAttribute <CommandVerbAttribute>();
if (verbAttr != null && !verbAttr.Hidden)
{
HelpTextRenderer helpRenderer = new HelpTextRenderer(commandType);
strBuilder.Append(helpRenderer.GenerateHeaderHelp());
strBuilder.AppendLine();
}
}
await rawMessage.Channel.SendMessageAsync(strBuilder.ToString());
}
else
{
if (_commands.TryGetCommandType(Command, out Type commandType))
{
HelpTextRenderer helpRenderer = new HelpTextRenderer(commandType);
await rawMessage.Channel.SendMessageAsync(helpRenderer.GetHelp());
}
else
{
await rawMessage.Channel.SendMessageAsync($"\"{Command}\" is an unknown command. Type !help to list all available commands!");
}
}
}
public async Task HandleMessage(IMessage message)
{
if (message.Source != MessageSource.User)
{
//Ignore all messages that are not from users
return;
}
try
{
if (message.Content.StartsWith("!") && message.Content.Length > 1)
{
_logger.Info("Processing message {0} from \"{1}\" in \"{2}\": \"{3}\"", message.Id, message.Author?.Username, message.Channel.Name, message.Content);
string[] msg = message.Content.Substring(1).Split(' ');
if (_commands.TryGetCommandType(msg[0], out Type iCommandType))
{
if (_filterChecker.ExecutionAllowed(iCommandType, message, _serviceProvider, out FilterScope? denyScope))
{
ICommand command = (ICommand)ActivatorUtilities.CreateInstance(_serviceProvider, iCommandType);
ArgumentsMapper mapper = new ArgumentsMapper(msg.Skip(1).ToArray(), command);
try
{
command = mapper.MapToInstance();
}
catch (CommandArgumentException cmdex)
{
await message.Channel.SendMessageAsync($":warning: {message.Author.Mention}, {cmdex.Message}. Type \"!help {msg[0]}\" for help");
return;
}
_logger.Debug("Message {0} from {1} is handled by {2}", message.Id, message.Author?.Username, iCommandType.FullName);
try
{
await command.Execute(message);
}
catch (Exception e)
{
_logger.Error(e, "Error in command execution for {0}. Message was: \"{1}\"", iCommandType.FullName, message.Content);
await ReportCommandHandelingError(message);
}
}
else
{
if (denyScope != FilterScope.Global)
{
_logger.Info("Execution of command \"{0}\" from {1} in channel {2} is not allowed", message.Content, message.Author?.Username, message.Channel?.Name);
await message.Channel.SendMessageAsync("What you are planning to do is not allowed here! :astonished::point_up:");
}
}
}
else
{
_logger.Info("Found no command handler for {0} in container", msg[0]);
if (message.IsPrivateMessage())
{
await message.Channel.SendMessageAsync("I don´t know what to do with this command :thinking:. What I do know, is that you can find help with the !help command! Isn´t that cool? :ok_hand:");
}
}
}
}
catch (Exception ex)
{
_logger.Error(ex, "Error in HandleMessage() for message {0} with content: \"{1}\"", message.Id, message.Content);
await ReportCommandHandelingError(message);
}
}