public ActionResult Edit(Book editBook)
{
Book first = _bookContext.GetBook(editBook.Id);
if (first == null)
{
return(HttpNotFound());
}
_bookContext.Update(editBook);
return(View(editBook));
}
public ActionResult UploadCover(FormCollection formCollection, HttpPostedFileBase imagefile)
{
int id = Convert.ToInt32(formCollection["BookID"]);
if (id == -1)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
Book book = _db.Query <Book>().FirstOrDefault(b => b.BookID == id);
if (book == null)
{
return(HttpNotFound());
}
if (imagefile.ContentLength > 0)
{
// width + height will force size, care for distortion
//Exmaple: ImageUpload imageUpload = new ImageUpload { Width = 800, Height = 700 };
// height will increase the width proportionally
//Example: ImageUpload imageUpload = new ImageUpload { Height= 600 };
// width will increase the height proportionally
ImageUpload imageUpload = new ImageUpload {
Width = 300
};
// rename, resize, and upload
//return object that contains {bool Success,string ErrorMessage,string ImageName}
ImageResult imageResult = imageUpload.RenameUploadFile(imagefile);
if (imageResult.Success)
{
book.ImageUrl = imageResult.ImageName;
_db.Update(book);
_db.SaveChanges();
TempData["book"] = book;
return(RedirectToAction("UploadCompleted"));
}
else
{
// use imageResult.ErrorMessage to show the error
ViewBag.Error = imageResult.ErrorMessage;
}
}
return(View());
}