/// <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 DiscountRequirementValidationResult CheckRequirement(DiscountRequirementValidationRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
//invalid by default
var result = new DiscountRequirementValidationResult();
if (request.Customer == null)
return result;
var restrictedToCustomerRoleId = _settingService.GetSettingByKey<int>(string.Format("DiscountRequirement.MustBeAssignedToCustomerRole-{0}-{1}", request.DiscountId, request.DiscountRequirementId));
if (restrictedToCustomerRoleId == 0)
return result;
foreach (var customerRole in request.Customer.CustomerRoles.Where(cr => cr.Active).ToList())
if (restrictedToCustomerRoleId == customerRole.Id)
{
//valid
result.IsValid = true;
return result;
}
return result;
}
/// <summary>
/// Check discount requirement
/// </summary>
/// <param name="request">Object that contains all information required to check the requirement (Current customer, discount, etc)</param>
/// <returns>Result</returns>
public DiscountRequirementValidationResult CheckRequirement(DiscountRequirementValidationRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
//invalid by default
var result = new DiscountRequirementValidationResult();
var spentAmountRequirement = _settingService.GetSettingByKey<decimal>(string.Format("DiscountRequirement.HadSpentAmount-{0}", request.DiscountRequirementId));
if (spentAmountRequirement == decimal.Zero)
{
//valid
result.IsValid = true;
return result;
}
if (request.Customer == null || request.Customer.IsGuest())
return result;
var orders = _orderService.SearchOrders(storeId: request.Store.Id,
customerId: request.Customer.Id,
os: OrderStatus.Complete);
decimal spentAmount = orders.Sum(o => o.OrderTotal);
if (spentAmount > spentAmountRequirement)
{
result.IsValid = true;
}
else
{
result.UserError = _localizationService.GetResource("Plugins.DiscountRules.HadSpentAmount.NotEnough");
}
return result;
}
/// <summary>
/// Check discount requirement
/// </summary>
/// <param name="request">Object that contains all information required to check the requirement (Current customer, discount, etc)</param>
/// <returns>Result</returns>
public DiscountRequirementValidationResult CheckRequirement(DiscountRequirementValidationRequest request)
{
if (request == null)
throw new ArgumentNullException("request");
//invalid by default
var result = new DiscountRequirementValidationResult();
var restrictedProductIds = _settingService.GetSettingByKey<string>(string.Format("DiscountRequirement.RestrictedProductIds-{0}", request.DiscountRequirementId));
if (String.IsNullOrWhiteSpace(restrictedProductIds))
{
//valid
result.IsValid = true;
return result;
}
if (request.Customer == null)
return result;
//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 = restrictedProductIds
.Split(new[] {','}, StringSplitOptions.RemoveEmptyEntries)
.Select(x => x.Trim())
.ToList();
if (!restrictedProducts.Any())
return result;
//group products in the cart by product ID
//it could be the same product with distinct product attributes
//that's why we get the total quantity of this product
var cartQuery = from sci in request.Customer.ShoppingCartItems.LimitPerStore(request.Store.Id)
where sci.ShoppingCartType == ShoppingCartType.ShoppingCart
group sci by sci.ProductId into g
select new { ProductId = g.Key, TotalQuantity = g.Sum(x => x.Quantity) };
var cart = cartQuery.ToList();
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;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[0], out restrictedProductId))
//parsing error; exit;
return result;
int quantityMin;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[1].Split(new[] { '-' })[0], out quantityMin))
//parsing error; exit;
return result;
int quantityMax;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[1].Split(new[] { '-' })[1], out quantityMax))
//parsing error; exit;
return result;
if (sci.ProductId == restrictedProductId && quantityMin <= sci.TotalQuantity && sci.TotalQuantity <= quantityMax)
{
found1 = true;
break;
}
}
else
{
//the second way (the quantity specified)
//{Product ID}:{Quantity}. For example, 77:1, 123:2, 156:3
int restrictedProductId;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[0], out restrictedProductId))
//parsing error; exit;
return result;
int quantity;
if (!int.TryParse(restrictedProduct.Split(new[] { ':' })[1], out quantity))
//parsing error; exit;
return result;
if (sci.ProductId == restrictedProductId && sci.TotalQuantity == quantity)
{
found1 = true;
break;
}
}
}
else
{
//the first way (the quantity is not specified)
int restrictedProductId;
if (int.TryParse(restrictedProduct, out restrictedProductId))
{
if (sci.ProductId == restrictedProductId)
{
found1 = true;
break;
}
}
}
}
if (!found1)
{
allFound = false;
break;
}
}
if (allFound)
{
//valid
result.IsValid = true;
return result;
}
return result;
}
