/// <summary>
/// executes a stream command received by a channel
/// </summary>
/// <param name="channel">channel the command was received from</param>
/// <param name="command">received command</param>
public void ExecuteCommand(IChatChannel channel, StreamCommand command)
{
IStreamCommandHandler handler = commandmanager.GetCommandHandlerOrDefault(command.Command);
if (handler == null)
{
channel.SendMessage($"Unknown command '{command.Command}', try '!commands' for a list of commands.");
}
else
{
if ((channel.Flags & handler.RequiredFlags) != handler.RequiredFlags)
{
return;
}
try {
handler.ExecuteCommand(channel, command);
}
catch (StreamCommandException e) {
channel.SendMessage(e.Message);
if (e.ProvideHelp)
{
channel.SendMessage($"Try '!help {command.Command}' to get an idea how to use the command.");
}
}
catch (Exception e) {
Logger.Error(this, $"Error processing command '{command}'", e);
channel.SendMessage("Error processing command. You should probably inform the streamer that this tool is crap (also he can take a look at the logs what went wrong).");
}
}
Command?.Invoke(command);
}
/// <summary>
/// adds a command handler to management
/// </summary>
/// <param name="command">command under which handler is to be added</param>
/// <param name="handler">handler to be added</param>
public void AddCommandHandler(string command, IStreamCommandHandler handler)
{
lock (commandhandlerlock)
{
if (commandhandlers.ContainsKey(command))
{
Logger.Warning(this, $"'{command}' already registered to '{commandhandlers[command].GetType().Name}'. Handler will be replaced by '{handler.GetType().Name}'");
}
commandhandlers[command] = handler;
}
}
public void ExecuteCommand(IChatChannel channel, StreamCommand command)
{
string helpcommand = "help";
if (command.Arguments.Length > 0)
{
helpcommand = command.Arguments[0];
}
IStreamCommandHandler handler = manager[helpcommand];
if (handler == null)
{
channel.SendMessage($"@{command.User}: Unknown command '{helpcommand}', try !commands for a list of commands.");
}
else
{
handler.ProvideHelp(channel, command.User);
}
}
/// <summary>
/// registers a command handler for a command
/// </summary>
/// <param name="command">command for which to register handler</param>
/// <param name="handler">handler used to process commands</param>
public void RegisterCommandHandler(string command, IStreamCommandHandler handler)
{
commandmanager.AddCommandHandler(command, handler);
}
