/// <summary>
/// Publish a new text-only notification
/// </summary>
/// <param name="topic"></param>
/// <param name="severity"></param>
/// <param name="message"></param>
public void Publish(Notification.Topic topic, Notification.Severity severity, string message)
{
Publish(topic, severity, message, element =>
{
var textElement = new TextElement();
textElement.text = message;
element.Add(textElement);
});
}
internal NotificationBuilder(long id, DateTime publishedOn, Notification.Topic topic, Notification.Severity severity,
string rawMessage, Notification.PopulateNotificationMessage populateNotificationMessage)
{
this.id = id;
this.publishedOn = publishedOn;
this.topic = topic;
this.severity = severity;
this.rawMessage = rawMessage;
this.populateNotificationMessage = populateNotificationMessage;
}
/// <summary>
/// Publish a new notification
/// </summary>
/// <param name="topic"></param>
/// <param name="severity"></param>
/// <param name="rawMessage"></param>
/// <param name="populateNotificationMessage"></param>
/// <param name="avoidDuplicates"></param>
public void Publish(Notification.Topic topic, Notification.Severity severity, string rawMessage, Notification.PopulateNotificationMessage populateNotificationMessage, bool avoidDuplicates = true)
{
var publishedOn = DateTime.Now.ToUniversalTime();
foreach (var existingNotificationBuilder in m_NotificationBuilders)
{
if (existingNotificationBuilder.topic == topic &&
existingNotificationBuilder.severity == severity &&
existingNotificationBuilder.rawMessage == rawMessage &&
(avoidDuplicates || (publishedOn - existingNotificationBuilder.publishedOn) <= TimeSpan.FromMilliseconds(k_DuplicateNotificationMillisecondsThreshold))
)
{
//Duplicate messages should at least be a minimum amount of time apart and specifically requested. We don't want spam.
return;
}
}
var notificationBuilder = new NotificationBuilder(GetNextNotificationId(), publishedOn, topic, severity, rawMessage, populateNotificationMessage);
//TODO eventually: add analytics to keep track of this notification
//TODO eventually: if we want to add auto-dismissal, a notification should either be listening on events or another system needs to keep track of auto-dismiss notifications
//Chances are the new notification is actually the most recent, so add it as the last element, then sort by desc date if required,
//but most likely won't do anything and won't take too much time
m_NotificationBuilders.Add(notificationBuilder);
m_NotificationBuilders.Sort((notification1, notification2) => notification2.publishedOn.CompareTo(notification1.publishedOn));
foreach (var subscriber in m_SubscribersByTopic[topic])
{
try
{
//We can be vulnerable here since subscribers could crash and prevent other subscribers to receive the notification
//Hopefully each Subscriber will be robust enough that it won't happen. But worst case, we will output the error.
subscriber.ReceiveNotification(notificationBuilder.BuildNotification());
}
catch (Exception ex)
{
Debug.LogException(ex);
}
}
}
