public IActionResult Upsert(int?id)
{
MangaVM mangaVM = new MangaVM()
{
Manga = new Manga(),
CategoryList = _unitOfWork.Category.GetAll().Select(i => new SelectListItem
{
Text = i.Name,
Value = i.Id.ToString()
})
};
if (id == null)
{
//this is a new manga
return(View(mangaVM));
}
//this is for edit request
mangaVM.Manga = _unitOfWork.Manga.Get(id.GetValueOrDefault());
if (mangaVM.Manga == null)
{
return(NotFound());
}
return(View(mangaVM));
}
public IActionResult Upsert(MangaVM mangavm)
{
if (ModelState.IsValid)
{
string webRootPath = _hostEnvironment.WebRootPath;
var files = HttpContext.Request.Form.Files;
if (files.Count > 0)
{
string filename = Guid.NewGuid().ToString();
var uploads = Path.Combine(webRootPath, @"images\mangas");
var extenstion = Path.GetExtension(files[0].FileName);
if (mangavm.Manga.Cover != null)
{
//this is to edit the cover and remove the old image.
var imagePath = Path.Combine(webRootPath, mangavm.Manga.Cover.TrimStart('\\'));
if (System.IO.File.Exists(imagePath))
{
System.IO.File.Delete(imagePath);
}
}
using (var filesStreams =
new FileStream(Path.Combine(uploads, filename + extenstion), FileMode.Create))
{
files[0].CopyTo(filesStreams);
}
mangavm.Manga.Cover = @"\images\mangas\" + filename + extenstion;
}
else
{
//update if the cover is not changed.
if (mangavm.Manga.Id != 0)
{
Manga objFromDb = _unitOfWork.Manga.Get(mangavm.Manga.Id);
mangavm.Manga.Cover = objFromDb.Cover;
}
}
if (mangavm.Manga.Id == 0)
{
_unitOfWork.Manga.Add(mangavm.Manga);
_unitOfWork.Save();
}
else
{
_unitOfWork.Manga.Update(mangavm.Manga);
}
_unitOfWork.Save();
return(RedirectToAction(nameof(Index)));
}
else
{
mangavm.CategoryList = _unitOfWork.Category.GetAll().Select(i => new SelectListItem
{
Text = i.Name,
Value = i.Id.ToString()
});
}
if (mangavm.Manga.Id != 0)
{
mangavm.Manga = _unitOfWork.Manga.Get(mangavm.Manga.Id);
}
return(View(mangavm));
}
