public async Task <IActionResult> Edit(int id, [Bind("CategoryId,Name")] Category category)
{
if (id != category.CategoryId)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(category);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CategoryExists(category.CategoryId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(category));
}
public IActionResult AddToCart(int Quantity, int ProductId)
{
// get the product id and quantity
var product = _context.Product.SingleOrDefault(p => p.ProductId == ProductId);
var price = product.Price;
// get the username
var cartUsername = GetCartUsername();
// check if this user has this product already in cart. If so, update quantity
var cartItem = _context.Cart.FirstOrDefault(c => c.ProductId == ProductId &&
c.Username == cartUsername);
// if the product is not in the cart
if (cartItem == null)
{
// add the product to the cart
var cart = new Cart
{
ProductId = ProductId,
Quantity = Quantity,
Price = price,
Username = cartUsername
};
_context.Cart.Add(cart);
}
else
{
cartItem.Quantity += Quantity; // add the new quantity to the existing quantity
_context.Update(cartItem);
}
HttpContext.Session.SetObject("Cart Item", cartItem);
_context.SaveChanges();
// show the cart page
return(RedirectToAction("Cart"));
}
public async Task <IActionResult> Edit(int id, [Bind("ProductId,Name,Description,Price,Photo,CategoryId")] Product product)
{
if (id != product.ProductId)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
// get the image
var files = HttpContext.Request.Form.Files;
if (files != null)
{
string uploadFolder = Path.Combine(_hostingEnvironment.WebRootPath, @"img");
// create an unique file name using guid and the file
string uniqueFileName = Guid.NewGuid().ToString() + files[0].FileName;
string filePath = Path.Combine(uploadFolder, uniqueFileName);
using (var fileStream = new FileStream(filePath, FileMode.Create))
{
await files[0].CopyToAsync(fileStream);
product.Photo = uniqueFileName;
}
}
_context.Update(product);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ProductExists(product.ProductId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["CategoryId"] = new SelectList(_context.Category, "CategoryId", "Name", product.CategoryId);
return(View(product));
}
