public string GenerateFile(ModelFile file)
{
try
{
int maxVal = int.Parse(file.MaxValue);
Int64 _amount = Int64.Parse(file.FileAmount);
using (BCRandomStream rndstream = new BCRandomStream(maxVal + 1))
{
string fName = "GenerateFile" + file.Id + ".txt";
string path = Server.MapPath("~/" + fName);
using (FileStream fileStream = new FileStream(path, FileMode.Create, FileAccess.ReadWrite))
{
using (StreamWriter writeStream = new StreamWriter(fileStream))
{
for (var i = 0; i < _amount; i++)
writeStream.WriteLine(rndstream.Read());
}
return fName;
}
}
}
catch
{
return null;
}
}
public ActionResult Download(ModelFile file)
{
try
{
if (ModelState.IsValid)
{
GenerateFile(file.MaxValue, file.FileAmount);
var fileName = "GenerateFile.txt";
System.Web.HttpResponse response = System.Web.HttpContext.Current.Response;
response.ClearContent();
response.Clear();
response.ContentType = "text/plain";
response.AddHeader("Content-Disposition",
"attachment; filename=" + fileName + ";");
response.TransmitFile(Server.MapPath("~/GenerateFile.txt"));
response.Flush();
response.End();
}
}
catch
{
return View("Download");
}
return View();
//return null;
}
public JsonResult RequestQueue(ModelFile file)
{
if (requestQueue == null)
{
requestQueue = new Queue<ModelFile>();
}
if (tasks == null)
{
tasks = new List<Task>();
}
if (downloadList == null)
{
downloadList = new List<string>();
}
requestQueue.Enqueue(file);
var t = Task.Run(() =>
{
var ts = GenerateFile(file);
downloadList.Add(ts);
});
tasks.Add(t);
return Json(new { success = true }, JsonRequestBehavior.AllowGet);
}