public void Discount_Coupon_Persistance_Succeeds()
{
var discounts = new[]
{
new DiscountCoupon()
{
Name = "Test Coupon One",
CalculationType = CalculationType.FixedAmount,
CouponCode = "TESTCOUPON",
HasCouponCode = true,
DiscountValue = 50,
Enabled = true,
StartDate = DateTime.UtcNow,
EndDate = DateTime.UtcNow.AddDays(5),
NumberOfTimesPerUser = 1,
TotalNumberOfTimes = 5
},
new DiscountCoupon()
{
Name = "Test Coupon Two",
CalculationType = CalculationType.Percentage,
CouponCode = "TESTCOUPON",
HasCouponCode = true,
DiscountValue = 5,
Enabled = true,
StartDate = DateTime.UtcNow,
EndDate = DateTime.UtcNow.AddDays(5),
NumberOfTimesPerUser = 1,
TotalNumberOfTimes = 5,
MaximumDiscountAmount = 10
},
new DiscountCoupon()
{
Name = "Expired Coupon",
CalculationType = CalculationType.Percentage,
HasCouponCode = false,
DiscountValue = 5,
Enabled = true,
StartDate = DateTime.UtcNow.AddDays(-5),
EndDate = DateTime.UtcNow.AddDays(-1),
NumberOfTimesPerUser = 1,
TotalNumberOfTimes = 5,
MaximumDiscountAmount = 10
},
};
//save some discounts
_discountCouponService.Insert(discounts);
//asserts
Assert.AreEqual(discounts[1].Id, _discountCouponService.GetByCouponCode("testcoupon").Id);
Assert.AreEqual(discounts[1].Id, _discountCouponService.Get(discounts[1].Id).Id);
Assert.AreEqual(discounts[0].CouponCode, _discountCouponService.Get(discounts[0].Id).CouponCode);
Assert.AreEqual(1, _discountCouponService.SearchDiscountCoupons("test", out var totalMatches, 1, 1).Count());
Assert.AreEqual(2, totalMatches);
//delete discounts
_discountCouponService.Delete(x => x.Id > 0);
}
public IActionResult SaveDiscount(DiscountModel discountModel)
{
var discount = discountModel.Id > 0 ? _discountCouponService.Get(discountModel.Id) : new DiscountCoupon();
if (discount == null)
{
return(NotFound());
}
discountModel.StartDate = discountModel.StartDate ?? DateTime.UtcNow;
_modelMapper.Map(discountModel, discount);
discount.StartDate = discountModel.StartDate.Value;
_discountCouponService.InsertOrUpdate(discount);
//update the restrictions
var restrictionIdentifiers = discountModel.RestrictionValues?.Select(x => x.RestrictionIdentifier).ToList();
_discountCouponService.SetRestrictionIdentifiers(discount.Id, restrictionIdentifiers);
return(R.Success.With("id", discount.Id).Result);
}
public void RefreshCartParameters(Cart cart)
{
//update prices if we need to
var cartProductIds = cart.CartItems.Select(x => x.ProductId).ToList();
if (cartProductIds.Any())
{
var products = _productService.GetProducts(cartProductIds);
var productVariants = _productVariantService.Get(x => cartProductIds.Contains(x.ProductId)).ToList();
Transaction.Initiate(transaction =>
{
//preserve autodiscounts for performance
IList <DiscountCoupon> discountCoupons = _discountCouponService.Get(x => x.Enabled && !x.HasCouponCode).Where(x => !x.Expired).ToList();
//update cart items if required
foreach (var ci in cart.CartItems)
{
var product = products.FirstOrDefault(x => x.Id == ci.ProductId);
if (product == null)
{
//remove from cart because we can't find the product
_cartService.RemoveFromCart(ci.Id, transaction);
}
else
{
if (!product.Published || product.Deleted)
{
//remove from cart because product shouldn't be visible
_cartService.RemoveFromCart(ci.Id, transaction);
}
else if (product.RestrictedToRoles)
{
var roleIds = cart.User.Roles.Select(x => x.Id).ToList();
if (product.EntityRoles.All(x => !roleIds.Contains(x.RoleId)))
{
//remove because role is not allowed to buy this product
_cartService.RemoveFromCart(ci.Id, transaction);
}
}
else if (product.TrackInventory)
{
if (!product.HasVariants && !product.IsAvailableInStock())
{
//remove from cart because we can't find the product
_cartService.RemoveFromCart(ci.Id, transaction);
}
}
if (ci.Quantity < product.MinimumPurchaseQuantity && product.MinimumPurchaseQuantity > 0)
{
//is there a difference in quantity that's required
ci.Quantity = product.MinimumPurchaseQuantity;
}
if (ci.Quantity > product.MaximumPurchaseQuantity && product.MaximumPurchaseQuantity > 0)
{
//is there a difference in quantity that's required
ci.Quantity = product.MaximumPurchaseQuantity;
}
var variant = product.HasVariants && ci.ProductVariantId > 0
? productVariants.FirstOrDefault(x => x.Id == ci.ProductVariantId)
: null;
//are there any discounted price for product
var basePrice = GetAutoDiscountedPriceForUser(product, variant, cart.User, ci.Quantity, ref discountCoupons, out decimal discount);
if (product.HasVariants && ci.ProductVariantId > 0)
{
if (variant == null || (variant.TrackInventory && !variant.IsAvailableInStock(product)))
{
//remove from cart because we can't find the variant or it's out of stock
_cartService.RemoveFromCart(ci.Id, transaction);
}
else
{
var comparisonPrice = variant.ComparePrice ?? product.ComparePrice;
var price = Math.Min(basePrice, variant.Price ?? product.Price);
GetProductPriceDetails(product, cart.BillingAddress, price, out decimal priceWithoutTax, out decimal tax, out decimal taxRate, out var taxName);
var expectedFinalPrice = priceWithoutTax * ci.Quantity + tax * ci.Quantity;
//do we need an update?
if (priceWithoutTax != ci.Price ||
comparisonPrice != ci.ComparePrice ||
tax != ci.Tax ||
taxRate != ci.TaxPercent ||
ci.FinalPrice == 0 ||
ci.TaxName != taxName ||
ci.FinalPrice != expectedFinalPrice)
{
ci.Price = priceWithoutTax;
ci.ComparePrice = comparisonPrice;
ci.Tax = tax * ci.Quantity;
ci.TaxPercent = taxRate;
ci.Discount = discount;
ci.FinalPrice = expectedFinalPrice;
ci.TaxName = taxName;
_cartItemService.Update(ci);
}
}
}
else
{
GetProductPriceDetails(product, cart.BillingAddress, basePrice, out decimal priceWithoutTax, out decimal tax, out decimal taxRate, out var taxName);
tax = tax * ci.Quantity;
var expectedFinalPrice = priceWithoutTax * ci.Quantity + tax * ci.Quantity;
//do we need an update?
if (priceWithoutTax != ci.Price ||
product.ComparePrice != ci.ComparePrice ||
tax != ci.Tax ||
taxRate != ci.TaxPercent ||
ci.FinalPrice == 0 ||
ci.TaxName != taxName ||
ci.FinalPrice != expectedFinalPrice)
{
ci.Price = priceWithoutTax;
ci.ComparePrice = product.ComparePrice;
ci.Tax = tax;
ci.TaxPercent = taxRate;
ci.Discount = discount;
ci.FinalPrice = expectedFinalPrice;
ci.TaxName = taxName;
_cartItemService.Update(ci);
}
}
}
}
cart.FinalAmount = cart.CartItems.Sum(x => x.FinalPrice);
cart.CompareFinalAmount = cart.CartItems.Sum(x => x.ComparePrice ?? 0);
//do we have a discount coupon
if (cart.DiscountCoupon != null && cart.DiscountCoupon.Enabled && !cart.DiscountCoupon.Expired)
{
if (ApplyDiscountCoupon(cart.DiscountCoupon, cart) == DiscountApplicationStatus.Success)
{
//cart already updated so return
return;
}
}
else
{
if (cart.DiscountCoupon != null)
{
cart.DiscountCouponId = 0;
_cartService.Update(cart);
}
////find coupons which should be automatically applied
foreach (var dc in discountCoupons)
{
if (ApplyDiscountCoupon(dc, cart) == DiscountApplicationStatus.Success)
{
break;
}
}
}
});
}
}