private async Task UpdateTask()

in tools/issue-labeler/src/Hubbup.MikLabelModel/Labeler.cs [206:297]
76 lines of code
23 McCabe index (conditional complexity)

        private async Task UpdateTask(
            LabelerOptions options,
            string owner, string repo,
            int number,
            bool foundArea,
            HashSet<string> labels,
            string theFoundLabel,
            GithubObjectType issueOrPr,
            ILabelRetriever labelRetriever)
        {

            if (labelRetriever.AddDelayBeforeUpdatingLabels)
            {
                // to avoid race with dotnet-bot
                await Task.Delay(TimeSpan.FromSeconds(10));
            }

            // get iop again
            var iop = await _gitHubClientWrapper.GetIssue(owner, repo, number);

            var existingLabelList = iop?.Labels?.Where(x => !string.IsNullOrEmpty(x.Name)).Select(x => x.Name).ToList();
            bool issueMissingAreaLabel = !existingLabelList.Where(x => x.StartsWith("area-", StringComparison.OrdinalIgnoreCase)).Any();

            // update section
            if (labels.Count > 0 || (foundArea && issueMissingAreaLabel))
            {
                //var issueUpdate = iop.ToUpdate();
                var issueUpdate = new IssueUpdate();

                if (foundArea && issueMissingAreaLabel)
                {
                    // no area label yet
                    issueUpdate.AddLabel(theFoundLabel);
                }

                var existingLabelNames = existingLabelList.ToHashSet();
                foreach (var newLabel in labels)
                {
                    if (!existingLabelNames.Contains(newLabel))
                    {
                        issueUpdate.AddLabel(newLabel);
                    }
                }

                if (options.CanUpdateIssue && issueUpdate.Labels != null && issueUpdate.Labels.Count > 0)
                {
                    issueUpdate.Milestone = iop.Milestone?.Number; // The number of milestone associated with the issue.
                    foreach (var existingLabel in existingLabelNames)
                    {
                        issueUpdate.AddLabel(existingLabel);
                    }
                    await _gitHubClientWrapper.UpdateIssue(owner, repo, number, issueUpdate);
                }
                else if (!options.CanUpdateIssue && issueUpdate.Labels != null && issueUpdate.Labels.Count > 0)
                {
                    _logger.LogInformation($"! skipped updating labels for {issueOrPr} {number}. would have become: {string.Join(",", issueUpdate.Labels)}");
                }
                else
                {
                    _logger.LogInformation($"! dispatcher app - No update made to labels for {issueOrPr} {number}.");
                }
            }

            // comment section
            if (options.CanCommentOnIssue)
            {
                foreach (var labelFound in labels)
                {
                    if (!string.IsNullOrEmpty(labelRetriever.CommentFor(labelFound)))
                    {
                        await _gitHubClientWrapper.CommentOn(owner, repo, iop.Number, labelRetriever.CommentFor(labelFound));
                    }
                }

                // if newlabels has no area-label and existing does not also. then comment
                if (!foundArea && issueMissingAreaLabel && labelRetriever.CommentWhenMissingAreaLabel)
                {
                    if (issueOrPr == GithubObjectType.Issue)
                    {
                        await _gitHubClientWrapper.CommentOn(owner, repo, iop.Number, labelRetriever.MessageToAddAreaLabelForIssue);
                    }
                    else
                    {
                        await _gitHubClientWrapper.CommentOn(owner, repo, iop.Number, labelRetriever.MessageToAddAreaLabelForPr);
                    }
                }
            }
            else
            {
                _logger.LogInformation($"! dispatcher app - No comment made to labels for {issueOrPr} {number}.");
            }
        }