public EventNotificationStatus ProcessEvent(TeamFoundationRequestContext requestContext, NotificationType notificationType, object notificationEventArgs, out int statusCode, out string statusMessage, out Microsoft.TeamFoundation.Common.ExceptionPropertyCollection properties) { statusCode = 0; statusMessage = string.Empty; properties = null; try { if (notificationType == NotificationType.Notification && notificationEventArgs is PushNotification) { Stopwatch timer = new Stopwatch(); timer.Start(); PushNotification pushNotification = notificationEventArgs as PushNotification; var repositoryService = requestContext.GetService <TeamFoundationGitRepositoryService>(); var commonService = requestContext.GetService <CommonStructureService>(); using (TfsGitRepository repository = repositoryService.FindRepositoryById(requestContext, pushNotification.RepositoryId)) { string repoName = pushNotification.RepositoryName; string projectName = commonService.GetProject(requestContext, pushNotification.TeamProjectUri).Name; string userName = pushNotification.AuthenticatedUserName.Replace(DOMAIN_PREFIX, ""); var lines = new List <string>(); string pushText = pushNotification.IsForceRequired(requestContext, repository) ? "FORCE push" : "push"; lines.Add(String.Format("{0} by {1} to {2}/{3}", pushText, userName, projectName, repoName)); var refNames = new Dictionary <byte[], List <string> >(new ByteArrayComparer()); var oldCommits = new HashSet <byte[]>(new ByteArrayComparer()); var unknowns = new List <RefUpdateResultGroup>(); // Associate refs (branch, ligtweight and annotated tag) with corresponding commit var refUpdateResultGroups = pushNotification.RefUpdateResults .Where(r => r.Succeeded) .GroupBy(r => r.NewObjectId, (key, items) => new RefUpdateResultGroup(key, items), new ByteArrayComparer()); foreach (var refUpdateResultGroup in refUpdateResultGroups) { byte[] newObjectId = refUpdateResultGroup.NewObjectId; byte[] commitId = null; if (newObjectId.IsZero()) { commitId = newObjectId; } else { TfsGitObject gitObject = repository.LookupObject(requestContext, newObjectId); if (gitObject.ObjectType == TfsGitObjectType.Commit) { commitId = newObjectId; } else if (gitObject.ObjectType == TfsGitObjectType.Tag) { var tag = (TfsGitTag)gitObject; var commit = tag.TryResolveToCommit(requestContext); if (commit != null) { commitId = commit.ObjectId; } } } if (commitId != null) { List <string> names; if (!refNames.TryGetValue(commitId, out names)) { names = new List <string>(); refNames.Add(commitId, names); } names.AddRange(RefsToStrings(refUpdateResultGroup.RefUpdateResults)); if (commitId.IsZero() || !pushNotification.IncludedCommits.Any(r => r.SequenceEqual(commitId))) { oldCommits.Add(commitId); } } else { unknowns.Add(refUpdateResultGroup); } } // Display new commits with refs foreach (byte[] commitId in pushNotification.IncludedCommits) { TfsGitCommit gitCommit = (TfsGitCommit)repository.LookupObject(requestContext, commitId); string line = CommitToString(requestContext, gitCommit, "commit", pushNotification, refNames); lines.Add(line); } // Display updated refs to old commits foreach (byte[] commitId in oldCommits) { string line = null; if (commitId.IsZero()) { line = String.Format("{0} deleted", String.Join("", refNames[commitId])); } else { TfsGitCommit gitCommit = (TfsGitCommit)repository.LookupObject(requestContext, commitId); line = CommitToString(requestContext, gitCommit, "->", pushNotification, refNames); } lines.Add(line); } // Display "unknown" refs foreach (var refUpdateResultGroup in unknowns) { byte[] newObjectId = refUpdateResultGroup.NewObjectId; TfsGitObject gitObject = repository.LookupObject(requestContext, newObjectId); string line = String.Format("{0} -> {1} {2}", RefsToString(refUpdateResultGroup.RefUpdateResults), gitObject.ObjectType, newObjectId.ToHexString()); lines.Add(line); } //Log(lines); List <string> sendLines = lines; if (lines.Count > MAX_LINES) { sendLines = lines.Take(MAX_LINES).ToList(); sendLines.Add(String.Format("{0} more line(s) suppressed.", lines.Count - MAX_LINES)); } Task.Run(() => SendToBot(sendLines)); } timer.Stop(); //Log("Time spent in ProcessEvent: " + timer.Elapsed); } } catch (Exception ex) { Log(ex.Message); Log(ex.StackTrace); } return(EventNotificationStatus.ActionPermitted); }