private void DownloadAllZipped(int message_id, HttpContext context)
{
var mail_box_manager = new MailBoxManager(ConfigurationManager.ConnectionStrings["mail"], 0);
var attachments = mail_box_manager.GetMessageAttachments(TenantId, Username, message_id);
if (attachments.Any())
{
using (var zip = new ZipFile())
{
zip.CompressionLevel = CompressionLevel.Level3;
zip.AlternateEncodingUsage = ZipOption.AsNecessary;
zip.AlternateEncoding = Encoding.GetEncoding(Thread.CurrentThread.CurrentCulture.TextInfo.OEMCodePage);
foreach (var attachment in attachments)
{
using (var file = mail_box_manager.GetAttachmentStream(attachment))
{
var filename = file.FileName;
if (zip.ContainsEntry(filename))
{
var counter = 1;
var temp_name = filename;
while (zip.ContainsEntry(temp_name))
{
temp_name = filename;
var suffix = " (" + counter + ")";
temp_name = 0 < temp_name.IndexOf('.')
? temp_name.Insert(temp_name.LastIndexOf('.'), suffix)
: temp_name + suffix;
counter++;
}
filename = temp_name;
}
zip.AddEntry(filename, file.FileStream.GetCorrectBuffer());
}
}
context.Response.AddHeader("Content-Disposition", ContentDispositionUtil.GetHeaderValue(ARCHIVE_NAME));
zip.Save(context.Response.OutputStream);
}
}
}