public void ModifyWorkItem()

in Mail2Bug/WorkItemManagement/TFSWorkItemManager.cs [319:370]
39 lines of code
7 McCabe index (conditional complexity)

        public void ModifyWorkItem(int workItemId, string comment, bool commentIsHtml, Dictionary<string, string> values, MessageAttachmentCollection attachments)
        {
            if (workItemId <= 0) return;

            var workItem = _tfsStore.GetWorkItem(workItemId);

            workItem.Open();

            if (commentIsHtml)
            {
                workItem.History = EmailBodyProcessingUtils.UpdateEmbeddedImageLinks(comment, attachments.Attachments);
            }
            else
            {
                workItem.History = comment.Replace("\n", "<br>");
            }

            foreach (var key in values.Keys)
            {
                TryApplyFieldValue(workItem, key, values[key]);
            }

            if (attachments != null)
            {
                string GetAttachmentKey(string fileName, long length)
                {
                    return  $"{fileName}|{length}";
                }

                var existingAttachments = new HashSet<string>(workItem.Attachments
                    .OfType<Attachment>()
                    .Select(attachment => GetAttachmentKey(attachment.Name, attachment.Length)));

                foreach (var attachment in attachments.Attachments)
                {
                    var localFileInfo = new FileInfo(attachment.FilePath);
                    string key = GetAttachmentKey(localFileInfo.Name, localFileInfo.Length);

                    // If there's already an attachment with the same file name and size, don't bother re-uploading it
                    // TODO: this may break embedded images for html replies since we update the img tag above to point to a local path we don't upload
                    // However, we haven't confirmed this breaks and replying with an identical image is unlikely, so we ignore this for now
                    if (!existingAttachments.Contains(key))
                    {
                        workItem.Attachments.Add(new Attachment(attachment.FilePath));
                    }
                }
            }

            ValidateAndSaveWorkItem(workItem);

            workItem.Save();
        }