public IActionResult Upsert(int?id)
{
ProductViewModel productVM = new ProductViewModel()
{
Product = new BulkyBook.Models.Product(),
CategoryList = _categoryRepository.GetAll().Select(i => new SelectListItem
{
Text = i.Name,
Value = i.Id.ToString(),
}),
CoverTypeList = _coverTypeRepository.GetAll().Select(i => new SelectListItem
{
Text = i.Name,
Value = i.Id.ToString()
})
};
BulkyBook.Models.Product product = new BulkyBook.Models.Product(); //SOME ERROR with Single class initialization.
if (id == null)
{
// Create
return(View(productVM));
}
// Update
productVM.Product = _productRepository.GetById(id.GetValueOrDefault());
if (productVM.Product == null)
{
// Incorrect ID
return(NotFound());
}
return(View(productVM));
}
public IActionResult Upsert(ProductViewModel productVM)
{
if (ModelState.IsValid)
{
// for image upload we need root path.
// images will be saved under root/images/products
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\products");
var extension = Path.GetExtension(files[0].FileName);
if (productVM.Product.ImageUrl != null)
{
// this is update
var imagePath = Path.Combine(webRootPath, productVM.Product.ImageUrl.TrimStart('\\'));
if (System.IO.File.Exists(imagePath))
{
System.IO.File.Delete(imagePath);
}
}
using (var fileStreams = new FileStream(Path.Combine(uploads, fileName + extension), FileMode.Create))
{
files[0].CopyTo(fileStreams);
}
productVM.Product.ImageUrl = @"\images\products\" + fileName + extension;
}
else
{
//update when they do not change the image
if (productVM.Product.Id != 0)
{
BulkyBook.Models.Product objFromDb = _productRepository.GetById(productVM.Product.Id);
productVM.Product.ImageUrl = objFromDb.ImageUrl;
}
}
if (productVM.Product.Id == 0)
{
_productRepository.Add(productVM.Product);
}
else
{
_productRepository.Update(productVM.Product);
}
_productRepository.Commit();
return(RedirectToAction(nameof(Index))); // action name
}
return(View(productVM));
}