/// <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 NasException("Discount requirement is not set");
var spentAmountRequirement = _settingService.GetSettingByKey<decimal>(string.Format("DiscountRequirement.HadSpentAmount-{0}", request.DiscountRequirement.Id));
if (spentAmountRequirement == decimal.Zero)
return true;
if (request.Customer == null || request.Customer.IsGuest())
return false;
var orders = _orderService.SearchOrders(request.Store.Id, 0, request.Customer.Id,
null, null, OrderStatus.Complete, null, null, null, null, 0, int.MaxValue);
decimal spentAmount = orders.Sum(o => o.OrderTotal);
return spentAmount > spentAmountRequirement;
}
/// <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 NasException("Discount requirement is not set");
if (request.Customer == null)
return false;
var restrictedToCustomerRoleId = _settingService.GetSettingByKey<int>(string.Format("DiscountRequirement.MustBeAssignedToCustomerRole-{0}", request.DiscountRequirement.Id));
if (restrictedToCustomerRoleId == 0)
return false;
foreach (var customerRole in request.Customer.CustomerRoles.Where(cr => cr.Active).ToList())
if (restrictedToCustomerRoleId == customerRole.Id)
return true;
return false;
}
/// <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;
}
var request = new CheckDiscountRequirementRequest()
{
DiscountRequirement = req,
Customer = customer,
Store = _storeContext.CurrentStore
};
if (!requirementRule.CheckRequirement(request))
{
return(false);
}
}
return(true);
}
/// <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 NasException("Discount requirement is not set");
var restrictedProductVariantIds = _settingService.GetSettingByKey<string>(string.Format("DiscountRequirement.RestrictedProductVariantIds-{0}", request.DiscountRequirement.Id));
if (String.IsNullOrWhiteSpace(restrictedProductVariantIds))
return true;
if (request.Customer == null)
return false;
//we support three ways of specifying product variants:
//1. The comma-separated list of product variant identifiers (e.g. 77, 123, 156).
//2. The comma-separated list of product variant identifiers with quantities.
// {Product variant ID}:{Quantity}. For example, 77:1, 123:2, 156:3
//3. The comma-separated list of product variant identifiers with quantity range.
// {Product variant ID}:{Min quantity}-{Max quantity}. For example, 77:1-3, 123:2-5, 156:3-8
var restrictedProductVariants = restrictedProductVariantIds
.Split(new[] {','}, StringSplitOptions.RemoveEmptyEntries)
.Select(x => x.Trim())
.ToList();
if (restrictedProductVariants.Count == 0)
return false;
//group products in the cart by product variant ID
//it could be the same product variant with distinct product attributes
//that's why we get the total quantity of this product variant
var cartQuery = from sci in request.Customer.ShoppingCartItems
where sci.ShoppingCartType == ShoppingCartType.ShoppingCart &&
sci.StoreId == request.Store.Id
group sci by sci.ProductVariantId into g
select new { ProductVariantId = g.Key, TotalQuantity = g.Sum(x => x.Quantity) };
var cart = cartQuery.ToList();
bool allFound = true;
foreach (var restrictedPv in restrictedProductVariants)
{
if (String.IsNullOrWhiteSpace(restrictedPv))
continue;
bool found1 = false;
foreach (var sci in cart)
{
if (restrictedPv.Contains(":"))
{
if (restrictedPv.Contains("-"))
{
//the third way (the quantity rage specified)
//{Product variant ID}:{Min quantity}-{Max quantity}. For example, 77:1-3, 123:2-5, 156:3-8
int restrictedPvId = 0;
if (!int.TryParse(restrictedPv.Split(new[] { ':' })[0], out restrictedPvId))
//parsing error; exit;
return false;
int quantityMin = 0;
if (!int.TryParse(restrictedPv.Split(new[] { ':' })[1].Split(new[] { '-' })[0], out quantityMin))
//parsing error; exit;
return false;
int quantityMax = 0;
if (!int.TryParse(restrictedPv.Split(new[] { ':' })[1].Split(new[] { '-' })[1], out quantityMax))
//parsing error; exit;
return false;
if (sci.ProductVariantId == restrictedPvId && quantityMin <= sci.TotalQuantity && sci.TotalQuantity <= quantityMax)
{
found1 = true;
break;
}
}
else
{
//the second way (the quantity specified)
//{Product variant ID}:{Quantity}. For example, 77:1, 123:2, 156:3
int restrictedPvId = 0;
if (!int.TryParse(restrictedPv.Split(new[] { ':' })[0], out restrictedPvId))
//parsing error; exit;
return false;
int quantity = 0;
if (!int.TryParse(restrictedPv.Split(new[] { ':' })[1], out quantity))
//parsing error; exit;
return false;
if (sci.ProductVariantId == restrictedPvId && sci.TotalQuantity == quantity)
{
found1 = true;
break;
}
}
}
else
{
//the first way (the quantity is not specified)
int restrictedPvId = int.Parse(restrictedPv);
if (sci.ProductVariantId == restrictedPvId)
{
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;
}
/// <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;
var request = new CheckDiscountRequirementRequest()
{
DiscountRequirement = req,
Customer = customer,
Store = _storeContext.CurrentStore
};
if (!requirementRule.CheckRequirement(request))
return false;
}
return true;
}
