TicketImporter.JiraProject.DownloadAttachments C# (CSharp) Method

        public void DownloadAttachments(Ticket ticket, string downloadFolder)
        {
            using (var webClient = new WebClient())
            {
                var downloaded = new Dictionary<string, int>();
                foreach (var attachment in ticket.Attachments)
                {
                    onDetailedProcessing("Downloading " + attachment.FileName);
                    var sourceUri = string.Format("{0}?&os_username={1}&os_password={2}",
                        attachment.Source, userName, password);
                    string name = Path.GetFileNameWithoutExtension(attachment.FileName),
                        extension = Path.GetExtension(attachment.FileName),
                        downloadedName = attachment.FileName;

                    // Jira can have more than one of the same file attached to a ticket ...
                    var nextCopy = 0;
                    if (downloaded.ContainsKey(attachment.FileName))
                    {
                        nextCopy = downloaded[attachment.FileName];
                        downloadedName = string.Format("{0}_{1}{2}", name, nextCopy, extension);
                    }
                    downloaded[attachment.FileName] = ++nextCopy;

                    try
                    {
                        var downloadTo = Path.Combine(downloadFolder, downloadedName);
                        webClient.DownloadFile(new Uri(sourceUri), downloadTo);
                        attachment.Source = downloadTo;
                        attachment.FileName = downloadedName;
                        attachment.Downloaded = true;
                    }
                    catch
                    {
                        attachment.Downloaded = false;
                    }
                }
            }
        }