private void SetListenToTopic(bool listen, PubSubTopic topic)
{
string nonce;
do
{
nonce = GenerateNonce();
} while (!parser.AddNonce(nonce, topic.Topic));
var jObj = new JObject(
new JProperty("type", listen ? "LISTEN" : "UNLISTEN"),
new JProperty("nonce", nonce),
new JProperty("data",
new JObject(
new JProperty("topics",
new JArray(
new JValue(topic.Topic)
)
)
)
)
);
if (topic.IsAuthorized)
{
if (string.IsNullOrEmpty(topic.OAuthToken))
{
throw new ArgumentException("Topic cannot have null or empty token if it needs authorization",
nameof(topic));
}
((JObject)jObj.SelectToken("data")).Add(new JProperty("auth_token", topic.OAuthToken));
}
socket.Send(jObj.ToString());
}
/// <summary>
/// Stops listening to a topic
/// </summary>
/// <param name="topic">the topic to stop listening to</param>
public void Unlisten(PubSubTopic topic)
{
ThrowIfDisposed();
if (topic == null)
{
throw new ArgumentNullException(nameof(topic));
}
SetListenToTopic(false, topic);
}
