public async Task DefaultHelpAsync(CommandContext ctx, [Description("Optional command to provide help for.")] params string[] command)
{
// We have to use reflection because TopLevelCommands is marked private and we're not forking DSharpPlus
PropertyInfo TopLevelCommandsProp = typeof(CommandsNextExtension).GetProperty("TopLevelCommands", BindingFlags.NonPublic | BindingFlags.Instance);
MethodInfo TopLevelCommandsGetter = TopLevelCommandsProp.GetGetMethod(nonPublic: true);
var toplevel = ((Dictionary <string, Command>)TopLevelCommandsGetter.Invoke(ctx.CommandsNext, null)).Values.Distinct();
// We instance our help formatter directly because we don't have access to the help formatting factory
var helpbuilder = new HelpFormatter(ctx);
if (command != null && command.Any())
{
Command cmd = null;
var search_in = toplevel;
foreach (var c in command)
{
if (search_in == null)
{
cmd = null;
break;
}
// We don't have access to config so f**k it, case insensitive help
//if (ctx.Config.CaseSensitive)
// cmd = search_in.FirstOrDefault(xc => xc.Name == c || (xc.Aliases != null && xc.Aliases.Contains(c)));
//else
cmd = search_in.FirstOrDefault(xc => xc.Name.ToLowerInvariant() == c.ToLowerInvariant() || (xc.Aliases != null && xc.Aliases.Select(xs => xs.ToLowerInvariant()).Contains(c.ToLowerInvariant())));
if (cmd == null)
{
break;
}
var cfl = await cmd.RunChecksAsync(ctx, true).ConfigureAwait(false);
if (cfl.Any())
{
throw new ChecksFailedException(cmd, ctx, cfl);
}
if (cmd is CommandGroup)
{
search_in = (cmd as CommandGroup).Children;
}
else
{
search_in = null;
}
}
if (cmd == null)
{
throw new CommandNotFoundException(string.Join(" ", command));
}
helpbuilder.WithCommand(cmd);
if (cmd is CommandGroup gx)
{
var sxs = gx.Children.Where(xc => !xc.IsHidden);
var scs = new List <Command>();
foreach (var sc in sxs)
{
if (sc.ExecutionChecks == null || !sc.ExecutionChecks.Any())
{
scs.Add(sc);
continue;
}
var cfl = await sc.RunChecksAsync(ctx, true).ConfigureAwait(false);
if (!cfl.Any())
{
scs.Add(sc);
}
}
if (scs.Any())
{
helpbuilder.WithSubcommands(scs.OrderBy(xc => xc.Name));
}
}
}
else
{
var sxs = toplevel.Where(xc => !xc.IsHidden);
var scs = new List <Command>();
foreach (var sc in sxs)
{
if (sc.ExecutionChecks == null || !sc.ExecutionChecks.Any())
{
scs.Add(sc);
continue;
}
var cfl = await sc.RunChecksAsync(ctx, true).ConfigureAwait(false);
if (!cfl.Any())
{
scs.Add(sc);
}
}
if (scs.Any())
{
helpbuilder.WithSubcommands(scs.OrderBy(xc => xc.Name));
}
}
var hmsg = helpbuilder.Build();
// The main reason for this change, allowing help to be DM'd and the original command deleted.
DiscordHelpers.DeleteNonPrivateMessage(ctx);
await DiscordHelpers.RespondAsDM(ctx, hmsg.Embed).ConfigureAwait(false);
}