private HashSet <string> GetExistingCodes()
{
// Prepare query for codes cache
var existingQuery = CouponCodeInfoProvider.GetCouponCodes(SiteContext.CurrentSiteName).Column("CouponCodeCode").Distinct();
// Restrict cache if prefix specified
if (!string.IsNullOrEmpty(prefix))
{
existingQuery.Where("CouponCodeCode", QueryOperator.Like, prefix + "%");
}
// Create cache of this site coupon codes
var existingCodes = new HashSet <string>();
using (DbDataReader reader = existingQuery.ExecuteReader())
{
while (reader.Read())
{
existingCodes.Add(reader.GetString(0));
}
}
return(existingCodes);
}
/// <summary>
/// Returns dictionary of discount coupon use count and limit. Key of the dictionary is the ID of discount.
/// </summary>
/// <param name="type">Object type (ignored).</param>
/// <param name="discountIDs">IDs of discount which the dictionary is to be filled with.</param>
private SafeDictionary <int, IDataContainer> GetCountsDataHandler(string type, IEnumerable <int> discountIDs)
{
DataSet counts = CouponCodeInfoProvider.GetCouponCodeUseCount(discountIDs);
return(counts.ToDictionaryById("CouponCodeDiscountID"));
}
protected object ugDiscounts_OnExternalDataBound(object sender, string sourceName, object parameter)
{
var discountRow = parameter as DataRowView;
var discountInfo = GetDiscountInfo(discountRow?.Row);
if (discountInfo == null)
{
return(String.Empty);
}
switch (sourceName.ToLowerInvariant())
{
// Append to a value field char '%' or site currency in case of flat discount
case "value":
return(GetDiscountGridValue(discountInfo));
// Display discount status
case "status":
// Ensure correct values for unigrid export
if (sender == null)
{
return(discountInfo.DiscountStatus.ToLocalizedString("com.discountstatus"));
}
return(new DiscountStatusTag(couponCountsDataProvider, discountInfo));
case "discountorder":
// Ensure correct values for unigrid export
if ((sender == null) || !ECommerceContext.IsUserAuthorizedToModifyDiscount())
{
return(discountInfo.DiscountOrder);
}
return(new PriorityInlineEdit
{
PrioritizableObject = discountInfo,
Unigrid = ugDiscounts
});
case "application":
// Display blank value if discount don't use coupons
if (!discountInfo.DiscountUsesCoupons)
{
return("—");
}
return(discountInfo.HasCoupons ? CouponCodeInfoProvider.GetCouponUsageInfoMessage(discountInfo, true) : GetString("com.discount.notcreated"));
case "orderamount":
decimal totalPriceInMainCurrency = ValidationHelper.GetDecimal(discountInfo.DiscountItemMinOrderAmount, 0m);
// Display blank value in the discount listing if order amount is not configured
if (totalPriceInMainCurrency == 0)
{
return(string.Empty);
}
// Format currency
string priceInMainCurrencyFormatted = CurrencyInfoProvider.GetFormattedPrice(totalPriceInMainCurrency, SiteContext.CurrentSiteID);
return(HTMLHelper.HTMLEncode(priceInMainCurrencyFormatted));
}
return(parameter);
}
private void GenerateCodes(object parameter)
{
try
{
// Construct cache for code uniqueness check
var existingCodes = GetExistingCodes();
CouponCodeInfo couponCode = null;
using (CMSActionContext context = new CMSActionContext())
{
// Do not touch parent for all codes
context.TouchParent = false;
context.LogEvents = false;
// Create generator
RandomCodeGenerator generator = new RandomCodeGenerator(pattern, prefix);
// Use cache for checking code uniqueness
generator.CodeChecker = code => !existingCodes.Contains(code);
for (int i = 0; i < count; i++)
{
// Get new code
string code = generator.GenerateCode();
couponCode = new CouponCodeInfo
{
CouponCodeUseLimit = numberOfUses,
CouponCodeDiscountID = discountId,
CouponCodeCode = code,
CouponCodeUseCount = 0
};
// Save coupon code
CouponCodeInfoProvider.SetCouponCodeInfo(couponCode);
// Log that coupon was created
AddLog(string.Format(GetString("com.couponcode.generated"), HTMLHelper.HTMLEncode(ResHelper.LocalizeString(code))));
}
}
// Touch parent (one for all)
if (couponCode != null)
{
couponCode.Generalized.TouchParent();
}
// Log information that coupons were generated
EventLogProvider.LogEvent(EventType.INFORMATION, "Discounts", "GENERATECOUPONCODES",
string.Format("{0} coupon codes for discount '{1}' successfully generated.", count, ParentDiscount.DiscountDisplayName),
userId: CurrentUser.UserID,
userName: CurrentUser.UserName,
siteId: SiteContext.CurrentSiteID
);
}
catch (Exception ex)
{
CurrentError = GetString("com.couponcode.generateerror");
EventLogProvider.LogException("Discounts", "GENERATECOUPONCODES", ex);
}
}
