public void AddToCart(Product product)
{
// Get the matching cart and album instances
var cartItem = db.Cart.SingleOrDefault(
c => c.SessionID == ShoppingCartId
&& c.IDProduct == product.Id);
if (cartItem == null)
{
// Create a new cart item if no cart item exists
cartItem = new Cart
{
IDProduct = product.Id,
SessionID = ShoppingCartId,
Quantity = 1,
Date = DateTime.Now
};
db.Cart.Add(cartItem);
}
else
{
// If the item does exist in the cart,
// then add one to the quantity
cartItem.Quantity++;
}
// Save changes
db.SaveChanges();
}
public async Task<IHttpActionResult> PutCart(int id, Cart cart)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != cart.Id)
{
return BadRequest();
}
db.Entry(cart).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CartExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
public async Task<IHttpActionResult> PostCart(Cart cart)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Cart.Add(cart);
await db.SaveChangesAsync();
return CreatedAtRoute("DefaultApi", new { id = cart.Id }, cart);
}
