public EntryInfo Search(Guid id)
{
using (var db = new FileDB(_filedbPath, FileAccess.Read))
{
return db.Search(id);
}
}
public ActionResult Download(string id)
{
// Using a classic way to download a file, insted of FileContentResult mode.
// Optimize for big files (download on demand)
using (var db = new FileDB(pathDB, FileAccess.Read))
{
var info = db.Search(Guid.Parse(id));
Response.Buffer = false;
Response.BufferOutput = false;
Response.ContentType = info.MimeType;
Response.AppendHeader("Content-Length", info.FileLength.ToString());
Response.AppendHeader("content-disposition", "attachment; filename=" + info.FileName);
db.Read(info.ID, Response.OutputStream);
return new EmptyResult();
}
}
public ActionResult Thumbnail(string id)
{
using (var db = new FileDB(pathDB, FileAccess.Read))
{
var info = db.Search(Guid.Parse(id));
if (!info.MimeType.StartsWith("image", StringComparison.InvariantCultureIgnoreCase))
return File(Server.MapPath("~/Content/no-picture.jpg"), "image/jpg");
using (MemoryStream output = new MemoryStream())
{
db.Read(info.ID, output);
Image image = Image.FromStream(output);
Image thumbnailImage = image.GetThumbnailImage(64, 64, new Image.GetThumbnailImageAbort(delegate { return true; }), IntPtr.Zero);
using (MemoryStream imageStream = new MemoryStream())
{
thumbnailImage.Save(imageStream, System.Drawing.Imaging.ImageFormat.Png);
return File(imageStream.ToArray(), "image/png");
}
}
}
}