public static Task RunMenuAsync(this DiscordClientBase client, Snowflake channelId, MenuBase menu, TimeSpan timeout = default, CancellationToken cancellationToken = default)
{
var extension = client.GetInteractivity();
return(extension.RunMenuAsync(channelId, menu, timeout, cancellationToken));
}
static ISynchronizedDictionary <IEmoji, Button> GetButtons(MenuBase menu)
{
var methods = _typeCache.GetOrAdd(menu.GetType(), static x =>
{
var methods = x.GetMethods(BindingFlags.Public | BindingFlags.Instance);
IDictionary <IEmoji, MethodInfo> buttons = null;
for (var i = 0; i < methods.Length; i++)
{
var method = methods[i];
var buttonAttribute = method.GetCustomAttribute <ButtonAttribute>();
if (buttonAttribute == null)
{
continue;
}
if (method.ContainsGenericParameters)
{
throw new InvalidOperationException("A button callback must not contain generic parameters.");
}
if (method.ReturnType != typeof(ValueTask))
{
throw new InvalidOperationException("A button callback must return a non-generic ValueTask.");
}
var parameters = method.GetParameters();
if (parameters.Length != 1 || parameters[0].ParameterType != typeof(ButtonEventArgs))
{
throw new InvalidOperationException("A button callback must contain a single ButtonEventArgs parameter.");
}
if (buttons == null)
{
buttons = new Dictionary <IEmoji, MethodInfo>();
}
buttons.Add(buttonAttribute.Emoji, method);
}
KeyValuePair <IEmoji, MethodInfo>[] array;
if (buttons != null)
{
array = new KeyValuePair <IEmoji, MethodInfo> [buttons.Count];
buttons.CopyTo(array, 0);
}
else
{
array = Array.Empty <KeyValuePair <IEmoji, MethodInfo> >();
}
return(array);
});
var buttons = new SynchronizedDictionary <IEmoji, Button>(methods.Length);
for (var i = 0; i < methods.Length; i++)
{
var(emoji, method) = methods[i];
var button = ButtonFactory(emoji, method, i, menu);
buttons.Add(button.Emoji, button);
}
return(buttons);
}