private static async void OnChatMessage(ChatMessage message)
{
// reply only to private text messages that start with "hello"
if (message.IsPrivateMessage && message.IsText && message.Text.StartsWith("hello", StringComparison.OrdinalIgnoreCase))
{
await _client.ReplyTextAsync(message, "Hello there (using dispatcher)!!!");
// an example showing how listener can be removed
_client.RemoveMessageListener <ChatMessage>(OnChatMessage);
}
}
/// <inheritdoc/>
public async Task <T> AwaitNextAsync(IWolfClient client, CancellationToken cancellationToken = default)
{
TaskCompletionSource <T> tcs = new TaskCompletionSource <T>();
using (cancellationToken.Register(() => tcs.TrySetCanceled(cancellationToken)))
{
Action <T> callback = null;
callback = message =>
{
if (!this._conditions(message))
{
return;
}
client.RemoveMessageListener <T>(callback);
tcs.TrySetResult(message);
};
client.AddMessageListener(callback);
return(await tcs.Task);
}
}
/// <summary>Removes event listener.</summary> /// <remarks>Provided type <typeparamref name="T"/> must be the same as the type used when adding the listener.</remarks> /// <param name="callback">Callback to remove.</param> public static void RemoveMessageListener <T>(this IWolfClient client, Action <T> callback) where T : IWolfMessage => client.RemoveMessageListener(new TypedMessageCallback <T>(callback));
