public static void AddTask(ITask task, string name, TaskPosition type)
{
bool added = false;
switch (type)
{
case TaskPosition.Before:
added = TaskManager.AddBefore(task, name);
break;
case TaskPosition.After:
added = TaskManager.AddAfter(task, name);
break;
case TaskPosition.Replace:
added = TaskManager.Replace(name, task);
break;
default:
GlobalLog.Error($"[BotStructure] Unknown task add type \"{type}\".");
break;
}
if (!added)
{
GlobalLog.Error($"[BotStructure] Fail to add \"{name}\".");
BotManager.Stop();
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
//eventler arasından en son kayıt getirilir.
var lastTaskContentPosition = await _taskPositionRepository.FindAsync("TaskContent");
var settings = new CatchUpSubscriptionSettings(
maxLiveQueueSize: 10000,
readBatchSize: 500,
verboseLogging: false,
resolveLinkTos: false,
subscriptionName: "TaskContent");
//ilgili event store'a subscribe olup eventler dinlenir, verilen son position değeri ile tekrar tekrar proje ayağa kalktığında eventleri gezmesini engelledik.
_subscription = _eventStoreConnection.SubscribeToAllFrom(
lastCheckpoint: lastTaskContentPosition?.Position,
settings: settings,
eventAppeared: async(sub, @event) =>
{
//Event Store’un kendine ait event‘leri ile ilgili işlem yapmamak için pas geçiyoruz.
if (@event.OriginalEvent.EventType.StartsWith("$"))
{
return;
}
try
{
var eventType = Type.GetType(Encoding.UTF8.GetString(@event.OriginalEvent.Metadata));
var eventData = JsonSerializer.Deserialize(Encoding.UTF8.GetString(@event.OriginalEvent.Data), eventType);
if (eventType != typeof(AssignTaskModel) && eventType != typeof(ChangeTaskStatusModel) && eventType != typeof(CreateTaskModel))
{
return;
}
Save(eventData);
var doc = new TaskPosition
{
Id = "TaskContent",
Key = "TaskContent",
Position = @event.OriginalPosition.GetValueOrDefault()
};
await _taskPositionRepository.UpsertAsync(doc);
}
catch (Exception exception)
{
_logger.LogError(exception, exception.Message);
}
});
}
public override string ToString()
{
return("Attack: " + (TaskEntity != null ? TaskEntity.ToString() : TaskPosition.ToString(1)));
}
