public static bool ApplyDiscount(Store store, Cart cart, string discountCode, out string errorMessage)
{
if (cart == null)
{
errorMessage = WebStoreResources.DiscountInvalidCartError;
return false;
}
if (store == null)
{
errorMessage = WebStoreResources.DiscountInvalidCartError;
return false;
}
if (string.IsNullOrEmpty(discountCode))
{
errorMessage = WebStoreResources.DiscountCodeNotProvidedError;
return false;
}
Discount discount = new Discount(store.ModuleGuid, discountCode);
if (discount.DiscountGuid == Guid.Empty)
{
errorMessage = WebStoreResources.DiscountCodeNotFoundError;
return false;
}
if (discount.ValidityEndDate < DateTime.UtcNow)
{
errorMessage = WebStoreResources.DiscountCodeExpiredError;
return false;
}
if (discount.ValidityStartDate > DateTime.UtcNow)
{
errorMessage = WebStoreResources.DiscountCodeNotActiveError;
return false;
}
if (!discount.AllowOtherDiscounts)
{
cart.DiscountCodesCsv = discount.DiscountCode;
}
if (cart.DiscountCodesCsv.Length == 0)
{
cart.DiscountCodesCsv = discount.DiscountCode;
}
else
{
if (!cart.DiscountCodesCsv.Contains(discount.DiscountCode))
{
cart.DiscountCodesCsv += "," + discount.DiscountCode;
}
}
return ValidateAndApplyDiscounts(store, cart, out errorMessage);
}
private static List<Discount> LoadListFromReader(IDataReader reader)
{
List<Discount> discountList = new List<Discount>();
try
{
while (reader.Read())
{
Discount discount = new Discount();
discount.discountGuid = new Guid(reader["DiscountGuid"].ToString());
discount.discountCode = reader["DiscountCode"].ToString();
discount.description = reader["Description"].ToString();
discount.siteGuid = new Guid(reader["SiteGuid"].ToString());
discount.moduleGuid = new Guid(reader["ModuleGuid"].ToString());
discount.storeGuid = new Guid(reader["StoreGuid"].ToString());
discount.offerGuid = new Guid(reader["OfferGuid"].ToString());
if (reader["ValidityEndDate"] != DBNull.Value)
{
discount.validityStartDate = Convert.ToDateTime(reader["ValidityStartDate"]);
}
discount.validityEndDate = Convert.ToDateTime(reader["ValidityEndDate"]);
discount.useCount = Convert.ToInt32(reader["UseCount"]);
discount.maxCount = Convert.ToInt32(reader["MaxCount"]);
discount.minOrderAmount = Convert.ToDecimal(reader["MinOrderAmount"]);
discount.absoluteDiscount = Convert.ToDecimal(reader["AbsoluteDiscount"]);
discount.percentageDiscount = Convert.ToDecimal(reader["PercentageDiscount"]);
discount.createdBy = new Guid(reader["CreatedBy"].ToString());
discount.createdUtc = Convert.ToDateTime(reader["CreatedUtc"]);
discount.lastModBy = new Guid(reader["LastModBy"].ToString());
discount.lastModUtc = Convert.ToDateTime(reader["LastModUtc"]);
discount.allowOtherDiscounts = Convert.ToBoolean(reader["AllowOtherDiscounts"]);
discountList.Add(discount);
}
}
finally
{
reader.Close();
}
return discountList;
}
public static List<Discount> GetValidDiscounts(Guid moduleGuid, Cart cart, string discountCodeCsv)
{
List<Discount> discountList = new List<Discount>();
if (moduleGuid == Guid.Empty) { return discountList; }
if (string.IsNullOrEmpty(discountCodeCsv)) { return discountList; }
string[] discountCodes = discountCodeCsv.Split(',');
bool foundAllowOtherConflict = false;
foreach (string code in discountCodes)
{
if (code.Length > 0)
{
Discount discount = new Discount(moduleGuid, code);
// validity checks
if (discount.DiscountGuid == Guid.Empty) { continue; }
if (discount.ValidityStartDate > DateTime.UtcNow) { continue; }
if (discount.ValidityEndDate < DateTime.UtcNow) { continue; }
if((discount.AbsoluteDiscount == 0)&&(discount.PercentageDiscount == 0)){ continue;}
if ((discount.MaxCount> 0)&&(discount.UseCount >= discount.MaxCount)) { continue; }
if((discount.MinOrderAmount > 0)&&(discount.MinOrderAmount > cart.SubTotal)) { continue; }
if ((discount.OfferGuid != Guid.Empty)&&(!cart.HasOffer(discount.offerGuid))) { continue; }
if (!discount.AllowOtherDiscounts)
{
if (discountList.Count > 0)
{
discountList.Clear();
}
foundAllowOtherConflict = true;
}
discountList.Add(discount);
// only add the first valid discount if it doesn't allow others
if (foundAllowOtherConflict) return discountList;
}
}
return discountList;
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByValidityStartDate(Discount discount1, Discount discount2)
{
return discount1.ValidityStartDate.CompareTo(discount2.ValidityStartDate);
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByUseCount(Discount discount1, Discount discount2)
{
return discount1.UseCount.CompareTo(discount2.UseCount);
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByMaxCount(Discount discount1, Discount discount2)
{
return discount1.MaxCount.CompareTo(discount2.MaxCount);
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByDiscountCode(Discount discount1, Discount discount2)
{
return(discount1.DiscountCode.CompareTo(discount2.DiscountCode));
}
private bool ValidateBusinessRules()
{
// check if the discount code is already used
Discount d = new Discount(store.ModuleGuid, txtDiscountCode.Text);
if ((d.DiscountGuid != Guid.Empty) && (d.DiscountGuid != discountGuid))
{
lblError.Text = WebStoreResources.DuplicateCodeException;
return false;
}
return true;
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByDescription(Discount discount1, Discount discount2)
{
return discount1.Description.CompareTo(discount2.Description);
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByCreatedUtc(Discount discount1, Discount discount2)
{
return discount1.CreatedUtc.CompareTo(discount2.CreatedUtc);
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByLastModUtc(Discount discount1, Discount discount2)
{
return(discount1.LastModUtc.CompareTo(discount2.LastModUtc));
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByCreatedUtc(Discount discount1, Discount discount2)
{
return(discount1.CreatedUtc.CompareTo(discount2.CreatedUtc));
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByMaxCount(Discount discount1, Discount discount2)
{
return(discount1.MaxCount.CompareTo(discount2.MaxCount));
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByValidityStartDate(Discount discount1, Discount discount2)
{
return(discount1.ValidityStartDate.CompareTo(discount2.ValidityStartDate));
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByDescription(Discount discount1, Discount discount2)
{
return(discount1.Description.CompareTo(discount2.Description));
}
void btnSave_Click(object sender, EventArgs e)
{
Page.Validate("Discount");
if ((!Page.IsValid) || (!ValidateBusinessRules())) { return; }
Discount discount = new Discount(discountGuid);
discount.DiscountCode = txtDiscountCode.Text;
discount.Description = txtDescription.Text;
discount.SiteGuid = siteSettings.SiteGuid;
discount.ModuleGuid = store.ModuleGuid;
discount.StoreGuid = store.Guid;
//TODO: add support for offer specific discounts
discount.OfferGuid = Guid.Empty;
if (timeZone != null)
{
discount.ValidityStartDate = DateTime.Parse(dpBeginDate.Text).ToUtc(timeZone);
if (dpEndDate.Text.Length > 0)
{
discount.ValidityEndDate = DateTime.Parse(dpEndDate.Text).ToUtc(timeZone);
}
else
{
discount.ValidityEndDate = DateTime.MaxValue;
}
}
else
{
discount.ValidityStartDate = DateTime.Parse(dpBeginDate.Text).AddHours(-timeOffset);
if (dpEndDate.Text.Length > 0)
{
discount.ValidityEndDate = DateTime.Parse(dpEndDate.Text).AddHours(-timeOffset);
}
else
{
discount.ValidityEndDate = DateTime.MaxValue;
}
}
try
{
discount.AbsoluteDiscount = decimal.Parse(txtAbsoluteDiscount.Text, NumberStyles.Currency, currencyCulture);
}
catch (FormatException)
{
lblError.Text = WebStoreResources.DiscountInvalidAmountWarning;
return;
}
decimal percentDiscount = 0;
try
{
percentDiscount = decimal.Parse(txtPercentageDiscount.Text.Replace("%", string.Empty), NumberStyles.Number, currencyCulture);
percentDiscount = percentDiscount / 100;
}
catch (FormatException)
{
lblError.Text = WebStoreResources.DiscountPercentInvalidWarning;
return;
}
discount.PercentageDiscount = percentDiscount;
int maxCount = 0;
int.TryParse(txtMaxCount.Text, NumberStyles.Integer, CultureInfo.InvariantCulture, out maxCount);
discount.MaxCount = maxCount;
decimal minOrderAmount = 0;
decimal.TryParse(txtMinOrderAmount.Text, NumberStyles.Currency, currencyCulture, out minOrderAmount);
discount.MinOrderAmount = minOrderAmount;
discount.AllowOtherDiscounts = ckAllowOtherDiscounts.Checked;
discount.CreatedBy = currentUser.UserGuid;
discount.LastModBy = currentUser.UserGuid;
try
{
discount.Save();
string redirectUrl = SiteRoot + "/WebStore/AdminDiscountEdit.aspx?pageid="
+ pageId.ToInvariantString()
+ "&mid=" + moduleId.ToInvariantString()
+ "&d=" + discount.DiscountGuid.ToString();
WebUtils.SetupRedirect(this, redirectUrl);
}
catch (DbException)
{
// most likely a duplicate contstraint
lblError.Text = WebStoreResources.DuplicateCodeException;
}
}
private void PopulateControls()
{
if (discountGuid == Guid.Empty) { return; }
Discount discount = new Discount(discountGuid);
txtDiscountCode.Text = discount.DiscountCode;
txtDescription.Text = discount.Description;
if (timeZone != null)
{
dpBeginDate.Text = DateTimeHelper.LocalizeToCalendar(discount.ValidityStartDate.ToLocalTime(timeZone).ToString("g"));
if (discount.ValidityEndDate < DateTime.MaxValue)
{
dpEndDate.Text = DateTimeHelper.LocalizeToCalendar(discount.ValidityEndDate.ToLocalTime(timeZone).ToString("g"));
}
}
else
{
dpBeginDate.Text = DateTimeHelper.LocalizeToCalendar(discount.ValidityStartDate.AddHours(timeOffset).ToString("g"));
if (discount.ValidityEndDate < DateTime.MaxValue)
{
dpEndDate.Text = DateTimeHelper.LocalizeToCalendar(discount.ValidityEndDate.AddHours(timeOffset).ToString("g"));
}
}
lblCountOfUse.Text = discount.UseCount.ToInvariantString();
txtMaxCount.Text = discount.MaxCount.ToInvariantString();
txtMinOrderAmount.Text = discount.MinOrderAmount.ToString("c", currencyCulture);
txtAbsoluteDiscount.Text = discount.AbsoluteDiscount.ToString("c", currencyCulture);
txtPercentageDiscount.Text = string.Format(currencyCulture, "{0:0%}", discount.PercentageDiscount);
ckAllowOtherDiscounts.Checked = discount.AllowOtherDiscounts;
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByDiscountCode(Discount discount1, Discount discount2)
{
return discount1.DiscountCode.CompareTo(discount2.DiscountCode);
}
/// <summary>
/// Compares 2 instances of Discount.
/// </summary>
public static int CompareByLastModUtc(Discount discount1, Discount discount2)
{
return discount1.LastModUtc.CompareTo(discount2.LastModUtc);
}
public static List <Discount> GetValidDiscounts(Guid moduleGuid, Cart cart, string discountCodeCsv)
{
List <Discount> discountList = new List <Discount>();
if (moduleGuid == Guid.Empty)
{
return(discountList);
}
if (string.IsNullOrEmpty(discountCodeCsv))
{
return(discountList);
}
string[] discountCodes = discountCodeCsv.Split(',');
bool foundAllowOtherConflict = false;
foreach (string code in discountCodes)
{
if (code.Length > 0)
{
Discount discount = new Discount(moduleGuid, code);
// validity checks
if (discount.DiscountGuid == Guid.Empty)
{
continue;
}
if (discount.ValidityStartDate > DateTime.UtcNow)
{
continue;
}
if (discount.ValidityEndDate < DateTime.UtcNow)
{
continue;
}
if ((discount.AbsoluteDiscount == 0) && (discount.PercentageDiscount == 0))
{
continue;
}
if ((discount.MaxCount > 0) && (discount.UseCount >= discount.MaxCount))
{
continue;
}
if ((discount.MinOrderAmount > 0) && (discount.MinOrderAmount > cart.SubTotal))
{
continue;
}
if ((discount.OfferGuid != Guid.Empty) && (!cart.HasOffer(discount.offerGuid)))
{
continue;
}
if (!discount.AllowOtherDiscounts)
{
if (discountList.Count > 0)
{
discountList.Clear();
}
foundAllowOtherConflict = true;
}
discountList.Add(discount);
// only add the first valid discount if it doesn't allow others
if (foundAllowOtherConflict)
{
return(discountList);
}
}
}
return(discountList);
}
