public ActionResult Index(HttpPostedFileBase uploadfile)
{
UploadResponse response = new UploadResponse();
if (uploadfile != null && uploadfile.ContentLength > 0)
{
ImageHandlerDBEntities db = new ImageHandlerDBEntities();
tbl_Image img = new tbl_Image();
img.CreateDate = DateTime.Now;
img.ImageId = Guid.NewGuid();
img.ImageName = uploadfile.FileName;
img.ImageType = uploadfile.ContentType;
using (BinaryReader br = new BinaryReader(uploadfile.InputStream))
{
img.ImageData = br.ReadBytes((int)uploadfile.InputStream.Length);
}
db.tbl_Image.Add(img);
db.SaveChanges();
response.CreateDate = img.CreateDate;
response.ImageId = img.ImageId;
response.ImageType = img.ImageType;
response.ImageName = img.ImageName;
}
return(View(response));
}
public ActionResult List(int take = 10, int skip = 0)
{
var db = new ImageHandlerDBEntities();
var response = (from img in db.tbl_Image
select new UploadResponse
{
ImageId = img.ImageId,
ImageName = img.ImageName,
ImageType = img.ImageType,
CreateDate = img.CreateDate
})
.OrderBy(c => c.CreateDate)
.Take(take)
.Skip(skip)
.ToList();
return(View(response));
}
public void ProcessRequest(HttpContext context)
{
var requestPaths = context.Request.Path.Split('/');
Guid guid = Guid.Parse(requestPaths[requestPaths.Length - 1]);
int width = 0, height = 0;
if (context.Request.QueryString.ContainsKey("width"))
{
width = int.Parse(context.Request.QueryString.Get("width"));
}
if (context.Request.QueryString.ContainsKey("height"))
{
height = int.Parse(context.Request.QueryString.Get("height"));
}
string imageName = guid.ToString() + context.Request.QueryString.ToString() + ".jpeg";
byte[] imageData = null;
if (File.Exists("C://ImageHandler/Images/" + imageName + ".jpeg"))
{
imageData = File.ReadAllBytes("C://ImageHandler/Images/" + imageName + ".jpeg");
}
else
{
var tblImage = new ImageHandlerDBEntities().tbl_Image.FirstOrDefault(c => c.ImageId == guid);
if (tblImage != null)
{
imageData = resizeImage(tblImage.ImageData, width, height, imageName);
}
}
context.Response.Clear();
context.Response.ContentType = "jpeg";
context.Response.OutputStream.Write(imageData, 0, imageData.Length);
context.Response.End();
}
