public override bool CheckRequirement(CheckDiscountRequirementRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
if (request.DiscountRequirement == null)
throw new SmartException("Discount requirement is not set");
if (request.DiscountRequirement.SpentAmount == decimal.Zero)
return true;
if (request.Customer == null)
return false;
var settings = DeserializeSettings(request.DiscountRequirement.ExtraData);
if (settings.LimitToCurrentBasketSubTotal)
{
return CheckCurrentSubTotalRequirement(request);
}
else
{
return CheckTotalHistoryRequirement(request);
}
}
/// <summary>
/// Check discount requirement
/// </summary>
/// <param name="request">Object that contains all information required to check the requirement (Current customer, discount, etc)</param>
/// <returns>true - requirement is met; otherwise, false</returns>
public bool CheckRequirement(CheckDiscountRequirementRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
if (request.DiscountRequirement == null)
throw new SmartException("Discount requirement is not set");
if (request.Customer == null)
return false;
var storeId = request.DiscountRequirement.RestrictedToStoreId ?? 0;
if (storeId == 0)
return false;
bool result = request.Store.Id == storeId;
return result;
}
public override bool CheckRequirement(CheckDiscountRequirementRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
if (request.DiscountRequirement == null)
throw new SmartException("Discount requirement is not set");
if (request.Customer == null)
return false;
if (request.Customer.BillingAddress == null)
return false;
if (request.DiscountRequirement.BillingCountryId == 0)
return false;
bool result = request.Customer.BillingAddress.CountryId == request.DiscountRequirement.BillingCountryId;
return result;
}
public override bool CheckRequirement(CheckDiscountRequirementRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
if (request.DiscountRequirement == null)
throw new SmartException("Discount requirement is not set");
if (request.Customer == null)
return false;
if (!request.DiscountRequirement.RestrictedToCustomerRoleId.HasValue)
return false;
foreach (var customerRole in request.Customer.CustomerRoles.Where(cr => cr.Active).ToList())
if (request.DiscountRequirement.RestrictedToCustomerRoleId == customerRole.Id)
return true;
return false;
}
private bool CheckTotalHistoryRequirement(CheckDiscountRequirementRequest request)
{
if (request.Customer.IsGuest())
return false;
var orders = _orderService.SearchOrders(
request.Store.Id,
request.Customer.Id,
null,
null,
new int[] { (int)OrderStatus.Complete },
null,
null,
null,
null,
null,
0,
int.MaxValue);
decimal spentAmount = orders.Sum(o => o.OrderTotal);
return spentAmount >= request.DiscountRequirement.SpentAmount;
}
public virtual bool IsDiscountValid(Discount discount, Customer customer, string couponCodeToValidate)
{
Guard.NotNull(discount, nameof(discount));
// Check coupon code
if (discount.RequiresCouponCode)
{
if (discount.CouponCode.IsEmpty())
{
return(false);
}
if (!discount.CouponCode.Equals(couponCodeToValidate, StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
}
// Check date range
var now = DateTime.UtcNow;
var store = _storeContext.CurrentStore;
if (discount.StartDateUtc.HasValue)
{
var startDate = DateTime.SpecifyKind(discount.StartDateUtc.Value, DateTimeKind.Utc);
if (startDate.CompareTo(now) > 0)
{
return(false);
}
}
if (discount.EndDateUtc.HasValue)
{
var endDate = DateTime.SpecifyKind(discount.EndDateUtc.Value, DateTimeKind.Utc);
if (endDate.CompareTo(now) < 0)
{
return(false);
}
}
if (!CheckDiscountLimitations(discount, customer))
{
return(false);
}
// better not to apply discounts if there are gift cards in the cart cause the customer could "earn" money through that.
if (discount.DiscountType == DiscountType.AssignedToOrderTotal || discount.DiscountType == DiscountType.AssignedToOrderSubTotal)
{
var cart = customer.GetCartItems(ShoppingCartType.ShoppingCart, store.Id);
if (cart.Any(x => x.Item?.Product != null && x.Item.Product.IsGiftCard))
{
return(false);
}
}
// discount requirements
var requirements = discount.DiscountRequirements;
foreach (var req in requirements)
{
var requirementRule = LoadDiscountRequirementRuleBySystemName(req.DiscountRequirementRuleSystemName, store.Id);
if (requirementRule == null)
{
continue;
}
var request = new CheckDiscountRequirementRequest
{
DiscountRequirement = req,
Customer = customer,
Store = store
};
// TODO: cache result... CheckRequirement is called very often
if (!requirementRule.Value.CheckRequirement(request))
{
return(false);
}
}
return(true);
}
private bool CheckCurrentSubTotalRequirement(CheckDiscountRequirementRequest request)
{
var cartItems = request.Customer.GetCartItems(ShoppingCartType.ShoppingCart, request.Store.Id);
decimal spentAmount = decimal.Zero;
decimal taxRate = decimal.Zero;
foreach (var sci in cartItems)
{
// includeDiscounts == true produces a stack overflow!
spentAmount += sci.Item.Quantity * _taxService.GetProductPrice(sci.Item.Product, _priceCalculationService.GetUnitPrice(sci, false), out taxRate);
}
return spentAmount >= request.DiscountRequirement.SpentAmount;
}
/// <summary>
/// Check discount requirements
/// </summary>
/// <param name="discount">Discount</param>
/// <param name="customer">Customer</param>
/// <param name="couponCodeToValidate">Coupon code to validate</param>
/// <returns>true - requirement is met; otherwise, false</returns>
public virtual bool IsDiscountValid(Discount discount, Customer customer, string couponCodeToValidate)
{
if (discount == null)
{
throw new ArgumentNullException("discount");
}
//check coupon code
if (discount.RequiresCouponCode)
{
if (String.IsNullOrEmpty(discount.CouponCode))
{
return(false);
}
if (!discount.CouponCode.Equals(couponCodeToValidate, StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
}
//check date range
DateTime now = DateTime.UtcNow;
if (discount.StartDateUtc.HasValue)
{
DateTime startDate = DateTime.SpecifyKind(discount.StartDateUtc.Value, DateTimeKind.Utc);
if (startDate.CompareTo(now) > 0)
{
return(false);
}
}
if (discount.EndDateUtc.HasValue)
{
DateTime endDate = DateTime.SpecifyKind(discount.EndDateUtc.Value, DateTimeKind.Utc);
if (endDate.CompareTo(now) < 0)
{
return(false);
}
}
if (!CheckDiscountLimitations(discount, customer))
{
return(false);
}
//discount requirements
var requirements = discount.DiscountRequirements;
foreach (var req in requirements)
{
var requirementRule = LoadDiscountRequirementRuleBySystemName(req.DiscountRequirementRuleSystemName);
if (requirementRule == null)
{
continue;
}
if (!(_storeContext.CurrentStore.Id == 0 ||
_settingService.GetSettingByKey <string>(requirementRule.PluginDescriptor.GetSettingKey("LimitedToStores")).ToIntArrayContains(_storeContext.CurrentStore.Id, true)))
{
continue;
}
var request = new CheckDiscountRequirementRequest()
{
DiscountRequirement = req,
Customer = customer,
Store = _storeContext.CurrentStore
};
if (!requirementRule.CheckRequirement(request))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Check discount requirements
/// </summary>
/// <param name="discount">Discount</param>
/// <param name="customer">Customer</param>
/// <param name="couponCodeToValidate">Coupon code to validate</param>
/// <returns>true - requirement is met; otherwise, false</returns>
public virtual bool IsDiscountValid(Discount discount, Customer customer, string couponCodeToValidate)
{
if (discount == null)
throw new ArgumentNullException("discount");
//check coupon code
if (discount.RequiresCouponCode)
{
if (String.IsNullOrEmpty(discount.CouponCode))
return false;
if (!discount.CouponCode.Equals(couponCodeToValidate, StringComparison.InvariantCultureIgnoreCase))
return false;
}
//check date range
DateTime now = DateTime.UtcNow;
int storeId = _storeContext.CurrentStore.Id;
if (discount.StartDateUtc.HasValue)
{
DateTime startDate = DateTime.SpecifyKind(discount.StartDateUtc.Value, DateTimeKind.Utc);
if (startDate.CompareTo(now) > 0)
return false;
}
if (discount.EndDateUtc.HasValue)
{
DateTime endDate = DateTime.SpecifyKind(discount.EndDateUtc.Value, DateTimeKind.Utc);
if (endDate.CompareTo(now) < 0)
return false;
}
if (!CheckDiscountLimitations(discount, customer))
return false;
// discount requirements
var requirements = discount.DiscountRequirements;
foreach (var req in requirements)
{
var requirementRule = LoadDiscountRequirementRuleBySystemName(req.DiscountRequirementRuleSystemName, storeId);
if (requirementRule == null)
continue;
var request = new CheckDiscountRequirementRequest()
{
DiscountRequirement = req,
Customer = customer,
Store = _storeContext.CurrentStore
};
if (!requirementRule.Value.CheckRequirement(request))
return false;
}
// better not to apply discounts if there are gift cards in the cart cause the customer could "earn" money through that.
if (discount.DiscountType == DiscountType.AssignedToOrderTotal || discount.DiscountType == DiscountType.AssignedToOrderSubTotal)
{
var cart = customer.GetCartItems(ShoppingCartType.ShoppingCart, storeId);
if (cart.Any(x => x.Item.Product.IsGiftCard))
return false;
}
return true;
}
public override bool CheckRequirement(CheckDiscountRequirementRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
if (request.DiscountRequirement == null)
throw new SmartException("Discount requirement is not set");
if (String.IsNullOrWhiteSpace(request.DiscountRequirement.RestrictedProductIds))
return true;
if (request.Customer == null)
return false;
//we support three ways of specifying products:
//1. The comma-separated list of product identifiers (e.g. 77, 123, 156).
//2. The comma-separated list of product identifiers with quantities.
// {Product ID}:{Quantity}. For example, 77:1, 123:2, 156:3
//3. The comma-separated list of product identifiers with quantity range.
// {Product ID}:{Min quantity}-{Max quantity}. For example, 77:1-3, 123:2-5, 156:3-8
var restrictedProducts = request.DiscountRequirement.RestrictedProductIds
.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(x => x.Trim())
.ToList();
if (restrictedProducts.Count == 0)
return false;
//cart
var cart = request.Customer.GetCartItems(ShoppingCartType.ShoppingCart, request.Store.Id);
bool allFound = true;
foreach (var restrictedProduct in restrictedProducts)
{
if (String.IsNullOrWhiteSpace(restrictedProduct))
continue;
bool found1 = false;
foreach (var sci in cart)
{
if (restrictedProduct.Contains(":"))
{
if (restrictedProduct.Contains("-"))
{
//the third way (the quantity rage specified)
//{Product ID}:{Min quantity}-{Max quantity}. For example, 77:1-3, 123:2-5, 156:3-8
int restrictedProductId = 0;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[0], out restrictedProductId))
//parsing error; exit;
return false;
int quantityMin = 0;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[1].Split(new[] { '-' })[0], out quantityMin))
//parsing error; exit;
return false;
int quantityMax = 0;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[1].Split(new[] { '-' })[1], out quantityMax))
//parsing error; exit;
return false;
if (sci.Item.ProductId == restrictedProductId && quantityMin <= sci.Item.Quantity && sci.Item.Quantity <= quantityMax)
{
found1 = true;
break;
}
}
else
{
//the second way (the quantity specified)
//{Product ID}:{Quantity}. For example, 77:1, 123:2, 156:3
int restrictedProductId = 0;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[0], out restrictedProductId))
//parsing error; exit;
return false;
int quantity = 0;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[1], out quantity))
//parsing error; exit;
return false;
if (sci.Item.ProductId == restrictedProductId && sci.Item.Quantity == quantity)
{
found1 = true;
break;
}
}
}
else
{
//the first way (the quantity is not specified)
int restrictedProductId = int.Parse(restrictedProduct);
if (sci.Item.ProductId == restrictedProductId)
{
found1 = true;
break;
}
}
}
if (!found1)
{
allFound = false;
break;
}
}
if (allFound)
return true;
return false;
}
/// <summary>
/// Check discount requirement
/// </summary>
/// <param name="request">Object that contains all information required to check the requirement (Current customer, discount, etc)</param>
/// <returns>true - requirement is met; otherwise, false</returns>
public bool CheckRequirement(CheckDiscountRequirementRequest request)
{
return true;
}
public abstract bool CheckRequirement(CheckDiscountRequirementRequest request);
/// <summary>
/// Check discount requirements
/// </summary>
/// <param name="discount">Discount</param>
/// <param name="customer">Customer</param>
/// <param name="couponCodeToValidate">Coupon code to validate</param>
/// <returns>true - requirement is met; otherwise, false</returns>
public virtual bool IsDiscountValid(Discount discount, Customer customer, string couponCodeToValidate)
{
if (discount == null)
throw new ArgumentNullException("discount");
//check coupon code
if (discount.RequiresCouponCode)
{
if (String.IsNullOrEmpty(discount.CouponCode))
return false;
if (!discount.CouponCode.Equals(couponCodeToValidate, StringComparison.InvariantCultureIgnoreCase))
return false;
}
//check date range
DateTime now = DateTime.UtcNow;
if (discount.StartDateUtc.HasValue)
{
DateTime startDate = DateTime.SpecifyKind(discount.StartDateUtc.Value, DateTimeKind.Utc);
if (startDate.CompareTo(now) > 0)
return false;
}
if (discount.EndDateUtc.HasValue)
{
DateTime endDate = DateTime.SpecifyKind(discount.EndDateUtc.Value, DateTimeKind.Utc);
if (endDate.CompareTo(now) < 0)
return false;
}
if (!CheckDiscountLimitations(discount, customer))
return false;
//discount requirements
var requirements = discount.DiscountRequirements;
foreach (var req in requirements)
{
var requirementRule = LoadDiscountRequirementRuleBySystemName(req.DiscountRequirementRuleSystemName);
if (requirementRule == null)
continue;
if (!(_storeContext.CurrentStore.Id == 0 ||
_settingService.GetSettingByKey<string>(requirementRule.PluginDescriptor.GetSettingKey("LimitedToStores")).ToIntArrayContains(_storeContext.CurrentStore.Id, true)))
continue;
var request = new CheckDiscountRequirementRequest()
{
DiscountRequirement = req,
Customer = customer,
Store = _storeContext.CurrentStore
};
if (!requirementRule.CheckRequirement(request))
return false;
}
return true;
}