private static string FormatParam(ParameterInfo parameter)
{
var sb = new StringBuilder();
if (parameter.IsMultiple)
{
sb.Append($"`[{parameter.Name}...]`");
}
else if (parameter.IsRemainder)
{
sb.Append($"`<{parameter.Name}...>`");
}
else if (parameter.IsOptional)
{
sb.Append($"`[{parameter.Name}]`");
}
else
{
sb.Append($"`<{parameter.Name}>`");
}
if (!string.IsNullOrWhiteSpace(parameter.Summary))
{
sb.Append($" ({parameter.Summary})");
}
return(sb.ToString());
}
internal static string FormatParam(this CommandParam param)
{
var sb = new StringBuilder();
string type = param.Type.Name.StartsWith("Socket") ? param.Type.Name.Substring(6)
: param.Type.GetTypeInfo().IsInterface ? param.Type.Name.Substring(1)
: param.Type.Name;
if (param.IsMultiple)
{
sb.Append($"`[({type}): {param.Name}...]`");
}
else if (param.IsRemainder) //&& IsOptional - decided not to check for the combination
{
sb.Append($"`<({type}): {param.Name}...>`");
}
else if (param.IsOptional)
{
sb.Append($"`[({type}): {param.Name}]`");
}
else
{
sb.Append($"`<({type}): {param.Name}>`");
}
if (!String.IsNullOrWhiteSpace(param.Summary))
{
sb.Append($" ({param.Summary})");
}
return(sb.ToString());
}
string getInfo(Discord.Commands.ParameterInfo param)
{
string text = " ";
text += param.IsOptional ? span("paramo", "[") : span("paramr", "<");
text += span("paramtype", param.Type.Name);
text += param.IsOptional
? span("paramname paramo", " " + param.Name)
: span("paramname paramr", " " + param.Name);
text += param.IsOptional ? span("paramo", "]") : span("paramr", ">");
return(text);
}
public static ParameterHelpData FromParameterInfo(ParameterInfo parameter)
{
(string typeName, bool isNullable) = GetTypeInfo(parameter.Type);
string name = parameter.Name;
string summary = parameter.Summary;
var options = parameter.Type switch
{
var t when t.IsEnum => FromEnum(t.GetEnumValues()),
var t when t.GetAttribute <NamedArgumentTypeAttribute>() != null =>
FromNamedArgumentInfo(parameter.Type),
_ => null
};
return(new ParameterHelpData(name, summary, typeName, isNullable || parameter.IsOptional, options));
}
public override Task <PreconditionResult> CheckPermissionsAsync(ICommandContext context, Discord.Commands.ParameterInfo parameter, object value, IServiceProvider services)
{
PropertyInfo Property = Type.GetProperty(value as string);
if (Property == null || Property.GetCustomAttribute <UserEditableAttribute>() == null)
{
return(Task.FromResult(PreconditionResult.FromError(
string.Format("That is an invalid property. Valid properties are: [{0}]",
string.Join(',', Type.GetProperties().Where(x => x.GetCustomAttribute <UserEditableAttribute>() != null).Select(x => x.Name))))));
}
return(Task.FromResult(PreconditionResult.FromSuccess()));
}
private string IsRequiredParameter(Discord.Commands.ParameterInfo pi)
{
RequiredAttribute get = pi.Preconditions.FirstOrDefault(x => x is RequiredAttribute) as RequiredAttribute;
return(get?.Text);
}
public static string GetName(this Discord.Commands.ParameterInfo param) => CultureInfo.CurrentCulture.TextInfo.ToTitleCase(param.Name);
public override Task <PreconditionResult> CheckPermissionsAsync(ICommandContext context, ParameterInfo parameter, object value, IServiceProvider services)
{
PreconditionResult result;
if (!int.TryParse(value.ToString(), out var intValue))
{
result = PreconditionResult.FromError($"Value: \"{value}\" is not a valid integer.");
}
else if (intValue < _min || intValue > _max)
{
result = PreconditionResult.FromError($"{value} is not in range [{_min}, {_max}].");
}
else
{
result = PreconditionResult.FromSuccess();
}
return(Task.FromResult(result !));
}
public override async Task <PreconditionResult> CheckPermissionsAsync(ICommandContext context, ParameterInfo parameter, object value, IServiceProvider services)
{
string catName = value.ToString();
var cat = (await context.Guild.GetChannelsAsync().ConfigureAwait(false))
.OfType <SocketCategoryChannel>()
.FirstOrDefault(c => c.Name.Equals(catName, StringComparison.OrdinalIgnoreCase));
if (cat == null)
{
return(PreconditionResult.FromError($"There is no channel category named {catName}"));
}
if (cat.Channels.Count == 0 && _notEmpty)
{
return(PreconditionResult.FromError($"Category {cat.Name} has no channels."));
}
if (_text && !cat.Channels.Any(c => c is SocketTextChannel))
{
return(PreconditionResult.FromError($"Category {cat.Name} has no text channels."));
}
if (_voice && !cat.Channels.Any(c => c is SocketVoiceChannel))
{
return(PreconditionResult.FromError($"Category {cat.Name} has no voice channels."));
}
return(PreconditionResult.FromSuccess());
}
