public async Task <IActionResult> AddItem([Required] AddItemRequestModel model)
{
if (!ModelState.IsValid)
{
_logger.LogInformation("Model state is invalid, returning bad request");
return(BadRequest());
}
var user = await _jwtService.GetUserAccountAsync(User);
if (user == null)
{
_logger.LogInformation($"Could not get user account from token {User.Identity.Name}, returning unauthorized");
return(Unauthorized());
}
var created = await _mediator.Send(new AddItemApiRequest(user, model));
if (!created)
{
return(BadRequest());
}
return(Ok());
}
public IActionResult AddItemToCart([FromBody] AddItemRequestModel addItemModel)
{
// verify parameters
if (addItemModel == null || addItemModel.ItemId == null || addItemModel.Quantity < 1)
{
return(BadRequest(new { res = "Invalid parameters" }));
}
// try to get the product by id
ProductModel product = _productService.GetProductById(addItemModel.ItemId);
if (product == null)
{
return(BadRequest(new { err = "Could not add item to the cart" }));
}
// try to add item to the user's cart
Guid userId = GetUserId();
bool itemAdded = _cartService.AddCartItem(userId, addItemModel.ItemId, addItemModel.Quantity);
// return an error message if the item wasn't added
if (!itemAdded)
{
return(BadRequest(new { err = "Could not add item to the cart" }));
}
return(Ok());
}
private static double GetUnitPriceOfItem(AddItemRequestModel item)
{
var UnitsFactory = new UnitPriceFactory();
IUnitPrice unitPriceOfItem = UnitsFactory.GetUnitPrice(item.ItemType);
var unitPrice = unitPriceOfItem.GetUnitPrice();
return(unitPrice);
}
private double CheckPromoDiscount(double unitPrice, AddItemRequestModel item)
{
var promotionForItem = new DiscountsFactory().GetPromotions(item.ItemType);
var OnDiscountPrice = (item.ItemQuantity / promotionForItem.NoOfItems) * promotionForItem.DiscountOffered;
if (!Flag)
{
isPromoApplied = OnDiscountPrice > 0;
Flag = true;
}
var OffDiscountPrice = (item.ItemQuantity % promotionForItem.NoOfItems) * unitPrice;
return(OnDiscountPrice + OffDiscountPrice);
}
public AddItemResponseModel GenerateBill(AddItemRequestModel item)
{
double unitPrice = GetUnitPriceOfItem(item);
if (item.ItemType.Equals("C") || item.ItemType.Equals("D"))
{
Bill.Total = unitPrice * item.ItemQuantity;
}
else
{
Bill.Total = CheckPromoDiscount(unitPrice, item);
}
Bill.ItemsPurchased.Add(item.ItemType);
Bill.IsPromoApplied = isPromoApplied;
return(Bill);
}
public IActionResult UpdateCartItemQuantity([FromBody] AddItemRequestModel itemModel)
{
// verify paramters
if (itemModel == null || itemModel.ItemId == null || itemModel.Quantity < 1)
{
return(BadRequest(new { res = "Invalid parameters" }));
}
// try to update the user's cart
Guid userId = GetUserId();
bool valueUpdated = _cartService.UpdateCartItemQuantity(userId, itemModel.ItemId, itemModel.Quantity);
// return an error message of the cart wasn't updated
if (!valueUpdated)
{
return(BadRequest(new { err = "Could update your cart" }));
}
return(Ok());
}
public AddItemApiRequest(UserAccount user, AddItemRequestModel model)
{
User = user;
Model = model;
}