public void Execute(SlashCommand command)
{
try
{
Entities.Merge merge = Slack.MessageParser.ForMerge(command);
merge.Verify();
Entities.Queue queue = new Entities.Queue() { MaxWokers = 1, Name = merge.Target };
queueBLL.Insert(queue);
long enqueuedCount = Hangfire.JobStorage.Current.GetMonitoringApi().EnqueuedCount(queue.Name);
IBackgroundJobClient client = new BackgroundJobClient();
IState state = new EnqueuedState(queue.Name);
client.Create<BusinessLogic.Merge.Base.ITrigger>(x => x.Execute(command), state);
if(enqueuedCount > 0)
{
slackBLL.DirectMessage(command, $"There {(enqueuedCount > 1 ? "are" : "is")} {enqueuedCount} {(enqueuedCount > 1 ? "merges" : "merge")} ahead of yours.");
}
}
catch(ArgumentException ex)
{
slackBLL.DirectMessage(command, $"Failed to schedule merge: {ex.Message}");
}
}
public IFetchedJob Dequeue(string[] queues, CancellationToken cancellationToken)
{
int index = 0;
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
lock (syncLock)
{
using (new AzureDocumentDbDistributedLock(dequeueLockKey, defaultLockTimeout, storage))
{
string queue = queues.ElementAt(index);
Entities.Queue data = storage.Client.CreateDocumentQuery <Entities.Queue>(storage.Collections.QueueDocumentCollectionUri, QueryOptions)
.Where(q => q.Name == queue && q.DocumentType == Entities.DocumentTypes.Queue)
.AsEnumerable()
.FirstOrDefault();
if (data != null)
{
storage.Client.DeleteDocumentWithRetriesAsync(data.SelfLink).GetAwaiter().GetResult();
return(new FetchedJob(storage, data));
}
}
}
Thread.Sleep(checkInterval);
index = (index + 1) % queues.Length;
}
}
public FetchedJob(AzureDocumentDbStorage storage, Entities.Queue data)
{
this.storage = storage;
Id = data.Id;
JobId = data.JobId;
Queue = data.Name;
SelfLink = data.SelfLink;
}
public void Enqueue(string queue, string jobId)
{
Entities.Queue data = new Entities.Queue
{
Name = queue,
JobId = jobId
};
storage.Client.CreateDocumentWithRetriesAsync(storage.Collections.QueueDocumentCollectionUri, data).GetAwaiter().GetResult();
}
public void Requeue()
{
Entities.Queue data = new Entities.Queue
{
Id = Id,
Name = Queue,
JobId = JobId
};
storage.Client.UpsertDocumentAsync(storage.Collections.QueueDocumentCollectionUri, data).GetAwaiter().GetResult();
}