public AddToCartResult AddToCart(AddToCartItem item)
{
ShoppingCart cart = null;
Guid sessionId = Guid.Empty;
if (item.SessionId.HasValue)
{
cart = dbContext.ShoppingCart.Include(x => x.Items).FirstOrDefault(c => c.SessionId.Equals(item.SessionId.Value));
sessionId = item.SessionId.Value;
}
if (cart == null)
{
sessionId = Guid.NewGuid();
cart = new ShoppingCart {
SessionId = sessionId, CreatedOn = DateTime.Now
};
dbContext.ShoppingCart.Add(cart);
dbContext.SaveChanges();
}
var existingProduct = cart.Items.SingleOrDefault(p => p.ProductId.Equals(item.ProductId));
if (existingProduct == null)
{
cart.Items.Add(new CartItem {
ProductId = item.ProductId, Quanitity = item.Quantity
});
}
else
{
existingProduct.Quanitity += item.Quantity;
}
dbContext.SaveChanges();
return(new AddToCartResult {
SessionId = cart.SessionId
});
}
//Nang Sandar: Add to Cart
public async Task <IActionResult> AddToCart(int itemId, string qty)
{
List <AddToCartItem> allItem = new List <AddToCartItem>();
AddToCartItem addToCartItem = new AddToCartItem();
List <AddToCartItem> addToCartItemList = new List <AddToCartItem>();
var count = 0;
if (HttpContext.Session.GetString("countSession") != null)
{
count = Int32.Parse(HttpContext.Session.GetString("countSession")) + 1;
}
using (var httpClient = new HttpClient())
{
string str = api_url + "ItemList";
using (var response = await httpClient.GetAsync(str))
{
string apiResponse = await response.Content.ReadAsStringAsync();
allItem = JsonConvert.DeserializeObject <List <AddToCartItem> >(apiResponse);
}
}
if (HttpContext.Session.GetString("addedItemSession") == null)
{
addToCartItem = allItem.Where(x => x.ItemID.Equals(itemId)).FirstOrDefault();
addToCartItem.SelectedQty = Int32.Parse(qty);
addToCartItemList.Add(addToCartItem);
count++;
string addedItemJson = Newtonsoft.Json.JsonConvert.SerializeObject(addToCartItemList);
HttpContext.Session.SetString("addedItemSession", addedItemJson);
HttpContext.Session.SetString("countSession", count.ToString());
}
else
{
addToCartItemList = JsonConvert.DeserializeObject <List <AddToCartItem> >(HttpContext.Session.GetString("addedItemSession"));
List <AddToCartItem> addToCartUpdatedItemList = new List <AddToCartItem>();
int index = -1;
for (int i = 0; i < addToCartItemList.Count; i++)
{
if (addToCartItemList[i].ItemID == itemId)
{
//here we go - found existing item in the list , so we just replace index variable with it's index number from loop
index = i;
}
}
if (index != -1)
{
addToCartItemList[index].SelectedQty = addToCartItemList[index].SelectedQty + Int32.Parse(qty);
}
else //new item clicked
{
addToCartItem = allItem.Where(x => x.ItemID.Equals(itemId)).FirstOrDefault();
addToCartItem.SelectedQty = Int32.Parse(qty);
addToCartItemList.Add(addToCartItem);
}
string addedItemJson = Newtonsoft.Json.JsonConvert.SerializeObject(addToCartItemList);
HttpContext.Session.SetString("addedItemSession", addedItemJson);
HttpContext.Session.SetString("countSession", count.ToString());
}
return(RedirectToAction("Index"));
}
