private async Task MessageReceivedInner(IMessage msg)
{
Session session = CreateSession(((IGuildChannel)msg.Channel).Guild);
string cmdName = msg.Content.Substring(session.CommandPrefix.Length);
int ix = cmdName.IndexOf(' ');
if (ix != -1)
{
cmdName = cmdName.Remove(ix);
}
cmdName = cmdName.ToLowerInvariant();
try
{
ICmd cmd = HardCmds.ContainsKey(cmdName) ? (ICmd)HardCmds[cmdName] : session.Cmds.ContainsKey(cmdName) ? session.Cmds[cmdName] : null;
if (cmd != null)
{
await msg.Channel.TriggerTypingAsync();
CmdContext ctx = new CmdContext(msg, session, data.AdvancedUsers.Contains(msg.Author.Id));
string res = cmd.Run(ctx);
if (ctx.Result == CmdContext.CmdError.None)
{
bool empty = string.IsNullOrWhiteSpace(res);
if (!empty || !ctx.Processed)
{
if (!empty && res.Length > 2000)
{
res = res.Remove(2000);
}
await ctx.Channel.SendMessageAsync(string.IsNullOrWhiteSpace(res)?ctx.GetString("ret_empty_cmd") : res);
}
}
else if (ctx.Result == CmdContext.CmdError.NoAccess)
{
await msg.Channel.SendMessageAsync(ctx.GetString("err_notadmin"));
}
else if (ctx.Result == CmdContext.CmdError.ArgCount)
{
await msg.Channel.SendMessageAsync(ctx.GetString("err_params"));
}
//else if (ctx.Result == CmdContext.CmdError.BadFormat)
// await msg.Channel.SendMessageAsync(ctx.GetString("err_badformat"));
}
}
catch (Exception ex)
{
Log(ex);
await msg.Channel.SendMessageAsync(session.GetString("err_generic") + ": " + ex.Message);
}
}
public string Run(CmdContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
string content;
lock (this) content = Content;
try
{
if (Type == CmdType.Switch)
{
return(new SwitchEvaluator(context).Evaluate(content) ?? "Switch " + context.GetString("ret_empty"));
}
else if (Type == CmdType.Lua)
{
return(Sandbox.Lua.Execute(content, context));
}
else if (Type == CmdType.CSharp)
{
return(Sandbox.CS.Execute(content, context));
}
else
{
return(ScriptEngine(content, context));
}
}
catch (OperationCanceledException ex)
{
if (ex.InnerException is Antlr4.Runtime.RecognitionException inner)
{
return(context.GetString("err_syntax", inner.OffendingToken.Text, inner.OffendingToken.Column, inner.OffendingToken.Line));
}
// TODO: Wrap and throw Lua and C# compilation errors and catch them here
else
{
return(context.GetString("err_syntax", null, null, null));
}
}
}