public IActionResult Delete(CartItem item)
{
var cartIdCookie = GetEncryptedShopCookie("CART_ID");
if (cartIdCookie != null)
{
var cartId = Convert.ToInt32(cartIdCookie);
var cart = _context.Carts
.Include(c => c.CartItems)
.SingleOrDefault(c => c.Id == cartId);
if (cart != null)
{
var cartItem = cart.CartItems
.SingleOrDefault(ci => ci.ProductId == item.ProductId);
_context.Remove(cartItem);
_context.SaveChanges();
}
}
if (cartIdCookie == null)
{
PopulateShopData(null);
}
else
{
PopulateShopData(Convert.ToInt32(cartIdCookie));
}
return(View("Cart"));
}
public IActionResult Index(CartItem item)
{
var cartIdCookie = GetEncryptedShopCookie("CART_ID");
if (cartIdCookie == null)
{
var cart = new Cart();
cart.CartItems = new List <CartItem>();
cart.CartItems.Add(item);
_context.Add(cart);
_context.SaveChanges();
SetEncryptedShopCookie("CART_ID", cart.Id.ToString());
PopulateViewData(cart.Id);
}
else
{
var cartId = Convert.ToInt32(cartIdCookie);
var cart = _context.Carts
.Include(c => c.CartItems)
.SingleOrDefault(c => c.Id == cartId);
if (cart == null)
{
return(NotFound());
}
var cartItem = cart.CartItems
.SingleOrDefault(ci => ci.ProductId == item.ProductId);
if (cartItem == null)
{
cart.CartItems.Add(item);
}
else
{
if (item.Quantity == 0)
{
_context.Remove(cartItem);
}
else
{
cartItem.Quantity = item.Quantity;
_context.Update(cartItem);
}
}
_context.SaveChanges();
PopulateViewData(cartId);
}
return(View());
}
// GET: Notebooks/Edit/5
public void DeleteDatabase(List <Notebook> NotebookList)
{
foreach (var ntb in NotebookList)
{
_context.Remove(ntb);
}
_context.SaveChanges();
}
public IActionResult Register(RegisterModel model)
{
// check if email already exists in database (if so throw exception)
var existingUser = _shopAppContext.Users.SingleOrDefault(u => u.EmailAddress == model.EmailAddress);
if (existingUser != null)
{
ModelState.AddModelError("EmailAddress", "Email Address already exists in database");
return(View());
}
// hash the incoming password
string passwordHash = BCrypt.Net.BCrypt.HashPassword(model.Password);
// create a new user record
var user = new User();
user.FirstName = model.FirstName;
user.LastName = model.LastName;
user.EmailAddress = model.EmailAddress;
user.PasswordHash = passwordHash;
user.CreatedAt = DateTimeOffset.Now;
try
{
_shopAppContext.Users.Add(user);
_shopAppContext.SaveChanges();
}
catch (Exception ex)
{
ModelState.AddModelError("", ex.Message);
return(View());
}
// redirect to the login
return(RedirectToAction("Index"));
}
public IActionResult Index(CartItem item)
{
var cartIdCookie = GetEncryptedShopCookie("CART_ID");
if (!ModelState.IsValid)
{
// there is a model error
if (cartIdCookie == null)
{
PopulateViewData(null);
}
else
{
PopulateViewData(Convert.ToInt32(cartIdCookie));
}
return(View());
}
if (cartIdCookie == null)
{
// need to create a new cart
var cart = new Cart();
cart.CartItems = new List <CartItem>();
cart.CartItems.Add(item);
var userId = GetEncryptedShopCookie("USER_ID");
if (userId != null)
{
cart.UserId = Convert.ToInt32(userId);
}
// add the cart to the context, then apply the changes to the database via the SaveChanges method
_context.Add(cart);
_context.SaveChanges();
// set the cartId in a cookie
SetEncryptedShopCookie("CART_ID", cart.Id.ToString());
// we are going to show the user the Index.cshtml view, so populate the ViewData values
PopulateViewData(cart.Id);
}
else
{
// already has a cart so fetch from database
var cartId = Convert.ToInt32(cartIdCookie);
// fetch the cart from the database
var cart = _context.Carts
.Include(c => c.CartItems)
.SingleOrDefault(c => c.Id == cartId);
if (cart == null)
{
return(NotFound());
}
// get the existing cart item, if any
var cartItem = cart.CartItems
.SingleOrDefault(ci => ci.ProductId == item.ProductId);
// add new item to cart or replace quantity on an existing item
if (cartItem == null)
{
// new item
cart.CartItems.Add(item);
}
else
{
// update existing item
if (item.Quantity == 0)
{
// delete
_context.Remove(cartItem);
}
else
{
// update
cartItem.Quantity = item.Quantity;
_context.Update(cartItem);
}
}
_context.SaveChanges();
PopulateViewData(cartId);
}
return(View());
}