/// <summary>
/// Gets all discounts
/// </summary>
/// <param name="DiscountType">Discount type; null to load all discount</param>
/// <returns>Discount collection</returns>
public static DiscountCollection GetAllDiscounts(DiscountTypeEnum?DiscountType)
{
bool showHidden = NopContext.Current.IsAdmin;
string key = string.Format(DISCOUNTS_ALL_KEY, showHidden, DiscountType);
object obj2 = NopCache.Get(key);
if (DiscountManager.CacheEnabled && (obj2 != null))
{
return((DiscountCollection)obj2);
}
int?discountTypeID = null;
if (DiscountType.HasValue)
{
discountTypeID = (int)DiscountType.Value;
}
DBDiscountCollection dbCollection = DBProviderManager <DBDiscountProvider> .Provider.GetAllDiscounts(showHidden, discountTypeID);
DiscountCollection discounts = DBMapping(dbCollection);
if (DiscountManager.CacheEnabled)
{
NopCache.Max(key, discounts);
}
return(discounts);
}
private static DiscountCollection DBMapping(DBDiscountCollection dbCollection)
{
if (dbCollection == null)
{
return(null);
}
DiscountCollection collection = new DiscountCollection();
foreach (DBDiscount dbItem in dbCollection)
{
Discount item = DBMapping(dbItem);
collection.Add(item);
}
return(collection);
}
/// <summary>
/// Gets a preferred discount
/// </summary>
/// <param name="Discounts">Discounts to analyze</param>
/// <param name="Amount">Amount</param>
/// <returns>Preferred discount</returns>
public static Discount GetPreferredDiscount(DiscountCollection Discounts, decimal Amount)
{
Discount preferredDiscount = null;
decimal maximumDiscountValue = decimal.Zero;
foreach (Discount _discount in Discounts)
{
decimal currentDiscountValue = _discount.GetDiscountAmount(Amount);
if (currentDiscountValue > maximumDiscountValue)
{
maximumDiscountValue = currentDiscountValue;
preferredDiscount = _discount;
}
}
return(preferredDiscount);
}
/// <summary>
/// Gets a discount collection of a category
/// </summary>
/// <param name="CategoryID">Category identifier</param>
/// <returns>Discount collection</returns>
public static DiscountCollection GetDiscountsByCategoryID(int CategoryID)
{
bool showHidden = NopContext.Current.IsAdmin;
string key = string.Format(DISCOUNTS_BY_CATEGORYID_KEY, CategoryID, showHidden);
object obj2 = NopCache.Get(key);
if (DiscountManager.CacheEnabled && (obj2 != null))
{
return((DiscountCollection)obj2);
}
DBDiscountCollection dbCollection = DBProviderManager <DBDiscountProvider> .Provider.GetDiscountsByCategoryID(CategoryID, showHidden);
DiscountCollection discounts = DBMapping(dbCollection);
if (DiscountManager.CacheEnabled)
{
NopCache.Max(key, discounts);
}
return(discounts);
}
/// <summary>
/// Get a value indicating whether discounts that require coupon code exist
/// </summary>
/// <returns>A value indicating whether discounts that require coupon code exist</returns>
public static bool HasDiscountsWithCouponCode()
{
DiscountCollection discounts = GetAllDiscounts(null);
return(discounts.Find(d => d.RequiresCouponCode) != null);
}