public PurchaseItemManager()
{
listOfItems = new List <ItemInCart>();
stm = new SpecialTokenManager();
itemRosterTally = new Dictionary <string, int>();
itemRosterTallyUsed = new Dictionary <string, int>();
}
/// <summary>
/// Applies the specials in the list of tokens into the list of items.
/// Specials are applied top-down the list.
/// </summary>
/// <param name="itemRosterAsPurchased">The list of purchased items (in entries).</param>
/// <param name="listOfApplyingSpecials">The list of applying specials.</param>
internal static void ApplySpecials(List <ItemInCart> itemRosterAsPurchased, SpecialTokenManager stm)
{
int i = 0;
while (i < stm.GetTokenListSize())
{
SpecialToken token = stm.GetToken(i);
//with this token, we will: apply bonuses to items top-down.
//The items that this special affects. ALL OF IT.
Queue <ItemInCart> appliedRoster = new Queue <ItemInCart>();
foreach (ItemInCart item in itemRosterAsPurchased)
{
if (token.CanBeAppliedTo(item))
{
appliedRoster.Enqueue(item);
}
}
//The list now only has items that qualify for the special.
//Sorted by highest price to the lowest.
Queue <ItemInCart> sortedRoster = SortByPrice(appliedRoster);
bool header = true;
int fireCount = token.GetAffectedCount();
while (sortedRoster.Count > 0 && fireCount > 0)
{
ItemInCart sri = sortedRoster.Dequeue();
if (token.special.special_type == Special.SPECIAL_TT.DEFERRED && header)
{
//if it's deferred, the first item that qualifies for the special would be
//the most expensive, and thus the qualifing item that doesn't get
//the deal. Ergo, it's the header.
sri.SetDeferHeader();
header = false;
//boo boo bandaid.
//to stop the header from eating a fire count.
fireCount++;
}
else if (!sri.isDiscounted)
{
sri.SetSpecialValue(token.special);
}
fireCount--;
}
i++;
}
}
