public ActionResult DownloadFile(DownloadFileParam fileParam)
{
foreach(var fileCheck in fileParam.ListFiles)
{
if (!GlobalDictionaries.Scans.Exists(x => x == fileCheck.TempFile))
throw new Exception("Не найден файл для скачивания!");
}
var tempDir = Path.GetTempPath();
byte[] response;
var fileId = fileParam.ListFiles[0].TempFile;
var fileName = fileParam.ListFiles[0].FileName;
string mimeType = null;
if (fileParam.SaveAs == (int) GlobalDictionaries.SaveAsValues.Pdf)
{
fileId = MakePdf(fileParam.ListFiles);
mimeType = _mimeTypes["pdf"];
fileName = Path.ChangeExtension(fileName, ".pdf");
}
else
{
var extension = Path.GetExtension(fileName);
if (!string.IsNullOrEmpty(extension))
mimeType = _mimeTypes[extension.Substring(1).ToLower()];
}
var file = Path.Combine(tempDir, fileId);
if (File.Exists(file))
{
response = File.ReadAllBytes(file);
File.Delete(file);
GlobalDictionaries.Scans.Remove(fileId);
foreach (var img in fileParam.ListFiles)
{
if (File.Exists(tempDir + img.TempFile))
{
File.Delete(tempDir + img.TempFile);
GlobalDictionaries.Scans.Remove(img.TempFile);
}
}
}
else
response = Encoding.UTF8.GetBytes("Not found");
return new ActionResult { Content = response, ContentType = mimeType, FileNameToDownload = fileName };
}
public DownloadFileParam BindDownloadFile()
{
var downloadParam = new DownloadFileParam { ListFiles = new List<DownloadFile>()};
var i = 0;
while(true)
{
var fileName = TryGet("fileName"+i);
var tempFile = TryGet("fileId"+i);
if (fileName == null || tempFile == null)
break;
downloadParam.ListFiles.Add(new DownloadFile(fileName,tempFile));
i++;
}
if(downloadParam.ListFiles.Count == 0)
throw new Exception("Нечего загружать (неверный запрос)");
downloadParam.SaveAs = TryGetInt("saveAs", (int)GlobalDictionaries.SaveAsValues.Pictures);
return downloadParam;
}