public async Task DispatchFromMessageReceivedAsync(SocketMessage message)
{
// Never reply to messages from non-humans >:{
if (!(message is SocketUserMessage userMessage) || userMessage.Author.IsBot)
{
return;
}
var context = new SocketCommandContext(Client, userMessage);
// Flag as valid if user mentions bot (regardless of current channel type), and advance argPos past mention string.
var argPos = 0;
bool isValid = userMessage.HasMentionPrefix(Client.CurrentUser, ref argPos);
switch (userMessage.Channel)
{
// DMs are always valid.
case SocketDMChannel _:
case SocketGroupChannel _:
isValid = true;
break;
// Guild channels are valid with a string prefix.
case SocketTextChannel guildChannel:
{
GuildSettings settings = await GuildSettingsSource.GetSettings(guildChannel.Guild.Id);
string?prefix = settings.CommandPrefix;
if (prefix != null && userMessage.HasStringPrefix(prefix, ref argPos))
{
isValid = true;
}
// (While we're here, handle inline commands found past the mention/string prefix.)
string text = userMessage.Content.Substring(argPos);
await HandleInlineCommandsAsync(text, context, settings);
break;
}
}
// Try to execute a command if any of the above checks passed!
if (isValid)
{
_ = await Commands.ExecuteAsync(context, argPos, Services);
}
}
private async Task HandleInlineCommandsAsync(string text, ICommandContext context, GuildSettings settings)
{
if (!settings.AllowInlineCommands)
{
return;
}
string?opener = settings.InlineCommandOpener;
string?closer = settings.InlineCommandCloser;
string?alias = settings.InlineCommandAlias;
if (opener is null || closer is null || alias is null)
{
return;
}
var regex = new Regex(Regex.Escape(opener) + @"(.+?)" + Regex.Escape(closer));
MatchCollection matches = regex.Matches(text);
for (var i = 0; i < matches.Count; i++)
{
Match match = matches[i];
string command = match.Groups[1].Value.Trim();
_ = await Commands.ExecuteAsync(context, $"{alias} {command}", Services);
}
}
public DefaultGuildSettingsSource(GuildSettings defaultSettings)
{
DefaultSettings = defaultSettings;
}