/// <summary>
/// Publishes IntegrationEvents to all subscriptions
/// </summary>
/// <param name="integrationEventName"> Unique name for IntegrationEvent</param>
/// <param name="entityId">Optional parameter that specifies the entity which was affected</param>
/// <param name="entityName">Optional parameter that specifies the name of the affected entity</param>
/// <returns></returns>
public async Task PublishAsync(string integrationEventName, string entityId = "", string entityName = "")
{
//get all subscriptions for the event
var eventSubscriptions = _eventSubscriptionRepository.Find(0, 1).Items?.
Where(s => s.IntegrationEventName == integrationEventName || s.EntityID == Guid.Parse(entityId));
if (eventSubscriptions == null)
{
return;
}
//get current integration event
var integrationEvent = _eventRepository.Find(0, 1).Items?.Where(e => e.Name == integrationEventName).FirstOrDefault();
if (integrationEvent == null)
{
return;
}
WebhookPayload payload = CreatePayload(integrationEvent, entityId, entityName);
//log integration event
IntegrationEventLog eventLog = new IntegrationEventLog()
{
IntegrationEventName = integrationEventName,
OccuredOnUTC = DateTime.UtcNow,
EntityType = integrationEvent.EntityType,
EntityID = Guid.Parse(entityId),
PayloadJSON = JsonConvert.SerializeObject(payload),
CreatedOn = DateTime.UtcNow,
Message = "",
Status = "",
SHA256Hash = ""
};
eventLog = _eventLogRepository.Add(eventLog);
//get subscriptions that must receive webhook
foreach (var eventSubscription in eventSubscriptions)
{
//handle subscriptions that should not get notified
if (!((eventSubscription.IntegrationEventName == integrationEventName || eventSubscription.IntegrationEventName == null) &&
(eventSubscription.EntityID == new Guid(entityId) || eventSubscription.EntityID == null)))
{
continue; //do not create an attempt in this case
}
//create new IntegrationEventSubscriptionAttempt
IntegrationEventSubscriptionAttempt subscriptionAttempt = new IntegrationEventSubscriptionAttempt()
{
EventLogID = eventLog.Id,
IntegrationEventName = eventSubscription.IntegrationEventName,
IntegrationEventSubscriptionID = eventSubscription.Id,
Status = "InProgress",
AttemptCounter = 0,
CreatedOn = DateTime.UtcNow,
};
switch (eventSubscription.TransportType)
{
case TransportType.HTTPS:
//create a background job to send the webhook
_backgroundJobClient.Enqueue <WebhookSender>(x => x.SendWebhook(eventSubscription, payload, subscriptionAttempt));
break;
case TransportType.Queue:
QueueItem queueItem = new QueueItem
{
Name = eventSubscription.Name,
IsLocked = false,
QueueId = eventSubscription.QUEUE_QueueID ?? Guid.Empty,
Type = "Json",
JsonType = "IntegrationEvent",
DataJson = JsonConvert.SerializeObject(payload),
State = "New",
RetryCount = eventSubscription.Max_RetryCount ?? 1,
Source = eventSubscription.IntegrationEventName,
Event = integrationEvent.Description,
CreatedOn = DateTime.UtcNow,
};
_queueItemRepository.Add(queueItem);
subscriptionAttempt.AttemptCounter = 1;
_attemptRepository.Add(subscriptionAttempt);
break;
case TransportType.SignalR:
await _hub.Clients.All.SendAsync(integrationEventName, JsonConvert.SerializeObject(payload)).ConfigureAwait(false);
subscriptionAttempt.AttemptCounter = 1;
_attemptRepository.Add(subscriptionAttempt);
break;
}
}
return;
}
