public ActionResult Edit(FilmViewModel filmViewModel, HttpPostedFileBase upload)
{
if (ModelState.IsValid)
{
filmViewModel.ThisFilm.ImageId = filmViewModel.ThisFilmImage.ImageId;
// Gets the dropdownlist selection and adds the id to the viewmodel.
filmViewModel.ThisFilm.GenreId = Int32.Parse(Request["Genres"]);
filmViewModel.ThisFilm.CertificateId = Int32.Parse(Request["Certificates"]);
if (upload != null && upload.ContentLength > 0)
{
if (upload.ContentType == "image/jpeg" ||
upload.ContentType == "image/jpg" ||
upload.ContentType == "image/gif" ||
upload.ContentType == "image/png")
{
// If an image is being uploaded then save the image to a
// temporary folder, convert the image to bytes, save the image
// as a new record and assign its new id to the film model for
// updating the db.
if (Request.Files.Count > 0)
{
var file = Request.Files[0];
{
// Save image to temp folder.
var fileName = Path.GetFileName(file.FileName);
var path = Path.Combine(Server.MapPath("~/ImagesTemp/"), fileName);
file.SaveAs(path);
// Convert image to bytes.
Image newImage = Image.FromFile(path);
FilmImage filmImage = new FilmImage();
filmImage.ImageBytes = filmImage.ConvertImageToByteArray(newImage);
// Insert image into db and return the new image id.
db.FilmImages.Add(filmImage);
db.SaveChanges();
int imageId = filmImage.ImageId;
//Get the old film image and delete it.
FilmImage oldFilmImage = db.FilmImages.Where(x => x.ImageId == filmViewModel.ThisFilmImage.ImageId).Single();
db.FilmImages.Remove(oldFilmImage);
filmViewModel.ThisFilm.ImageId = imageId;
// Attempt to delete temporary image.
if (System.IO.File.Exists(path))
{
try
{
System.IO.File.Delete(path);
}
catch (Exception)
{
// Do nothing, temporary folder will be cleared
// when application is re-launched.
}
}
}
}
}
else
{
// Constructs error messages for the view.
ViewBag.Message = "Not valid image format";
}
}
//Update the db and save.
db.Entry(filmViewModel.ThisFilm).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(filmViewModel));
}
public ActionResult Create(
[Bind(Include = "FilmID,GenreID,CertificateID,ImageID," +
"Title,Synopsis,Runtime,ReleaseDate")] Film film,
HttpPostedFileBase upload)
{
if (ModelState.IsValid)
{
if (upload != null && upload.ContentLength > 0)
{
if (upload.ContentType == "image/jpeg" ||
upload.ContentType == "image/jpg" ||
upload.ContentType == "image/gif" ||
upload.ContentType == "image/png")
{
// If an image is being uploaded then save the image to a temporary folder,
// convert the image to bytes and assign it to the model for inserting into the db.
if (Request.Files.Count > 0)
{
var file = Request.Files[0];
// Save image to temp folder.
var fileName = Path.GetFileName(file.FileName);
var path = Path.Combine(Server.MapPath("~/ImagesTemp/"), fileName);
file.SaveAs(path);
// Convert image to bytes.
Image newImage = Image.FromFile(path);
FilmImage filmImage = new FilmImage();
filmImage.ImageBytes = filmImage.ConvertImageToByteArray(newImage);
// Insert image into db and return the new image id.
db.FilmImages.Add(filmImage);
db.SaveChanges();
int imageId = filmImage.ImageId;
film.ImageId = imageId;
// Attempt to delete temporary image.
if (System.IO.File.Exists(path))
{
try
{
System.IO.File.Delete(path);
}
catch (Exception thisException)
{
// Do nothing, temporary folder will be
// cleared when application is re-launched.
}
}
// Add the film to the database and save.
film.GenreId = Int32.Parse(Request["Genres"]);
film.CertificateId = Int32.Parse(Request["Certificates"]);
db.Films.Add(film);
db.SaveChanges();
}
}
else
{
// Constructs error messages for the view.
ViewBag.ErrorMessage = "A valid image image format was not uploaded.";
}
}
else
{
// Constructs error messages for the view.
ViewBag.ErrorMessage = "An image must be uploaded.";
}
return(RedirectToAction("Index", "Films", new { errorMessage = ViewBag.ErrorMessage }));
}
return(View(film));
}
