protected string GetAttachmentFile(string attachmentFile, string originalFile, UserApiConfiguration user)
{
var filePathHelper = new FilePathHelper(_configuration, user.Name);
string localAttachmentFolder = filePathHelper.GetAttachmentsFilesFolder();
string localAttachmentFile = $@"{localAttachmentFolder}\{attachmentFile}";
if (File.Exists(localAttachmentFile))
{
return(localAttachmentFile);
}
string ftpAttachmentFile = $@"{user.AttachmentsFolder}/{attachmentFile}";
var ftpHelper = user.Ftp.GetFtpHelper(_logger);
ftpHelper.DownloadFile(ftpAttachmentFile, localAttachmentFile);
if (File.Exists(localAttachmentFile))
{
ftpHelper.DeleteFile(ftpAttachmentFile);
return(localAttachmentFile);
}
string zipAttachments = $@"{user.AttachmentsFolder}/{Path.GetFileNameWithoutExtension(originalFile)}.zip";
string localZipAttachments = $@"{localAttachmentFolder}\{Path.GetFileNameWithoutExtension(originalFile)}.zip";
// TODO: add retries.
ftpHelper.DownloadFile(zipAttachments, localZipAttachments);
if (File.Exists(localZipAttachments))
{
using (ZipArchive zipArchive = ZipFile.OpenRead(localZipAttachments))
{
foreach (ZipArchiveEntry entry in zipArchive.Entries)
{
string entryFileName = $@"{localAttachmentFolder}\{entry.Name}";
entry.ExtractToFile(entryFileName, true);
}
}
ftpHelper.DeleteFile(zipAttachments);
File.Delete(localZipAttachments); //TODO add retries.
}
if (File.Exists(localAttachmentFile))
{
return(localAttachmentFile);
}
return(null);
}