private void Deduct(DbAccount acc, int currency, int total, List <int> objectType)
{
switch ((Currency)currency)
{
case Currency.GOLD:
{
acc.Credits -= total;
}
break;
case Currency.FAME:
{
acc.Fame -= total;
acc.TotalFame -= total;
}
break;
case Currency.GUILD_FAME:
{
acc.GuildFame -= total;
}
break;
case Currency.FORTUNE_TOKENS:
{
acc.FortuneTokens -= total;
}
break;
case Currency.EMPIRES_COIN:
{
acc.EmpiresCoin -= total;
}
break;
case Currency.INVALID:
default:
return;
}
var items = acc.Gifts.ToList();
foreach (int item in objectType)
{
items.Add(item);
}
acc.Gifts = items.ToArray();
acc.FlushAsync();
acc.Reload();
}
public async Task <PkgPurchaseResult> Purchase(Database db, DbAccount acc)
{
var tran = db.Conn.CreateTransaction();
// handle quantity and max purchase checks
ConditionResult quantityResult = null;
ConditionResult maxPurchaseResult = null;
if (Quantity > -1)
{
quantityResult = tran.AddCondition(Condition.HashNotEqual(_key, "amountPurchased", Quantity));
}
tran.HashIncrementAsync(_key, "amountPurchased");
if (MaxPurchase > -1)
{
maxPurchaseResult = tran.AddCondition(Condition.HashNotEqual(_key, acc.AccountId, MaxPurchase));
}
tran.HashIncrementAsync(_key, acc.AccountId);
// deduct cost
switch (Cost.Currency)
{
case 0:
if (acc.Credits < Cost.Amount)
{
return(PkgPurchaseResult.NotEnoughGold);
}
db.UpdateCurrency(acc, -Cost.Amount, CurrencyType.Gold, tran);
break;
case 1:
if (acc.Fame < Cost.Amount)
{
return(PkgPurchaseResult.NotEnoughFame);
}
db.UpdateCurrency(acc, -Cost.Amount, CurrencyType.Fame, tran);
break;
default:
return(PkgPurchaseResult.InvalidCurrency);
}
// save gifts
var items = new List <ushort>();
foreach (var pkgItem in Contents.Items ?? new PackageItem[0])
{
items.AddRange(Enumerable.Repeat(pkgItem.Item, pkgItem.Count));
}
db.AddGifts(acc, items, tran);
// initiate transaction
var t1 = tran.ExecuteAsync();
// upon success add character slots / vault chests
var t2 = t1.ContinueWith(t =>
{
var success = !t.IsCanceled && t.Result;
if (!success)
{
if (quantityResult != null && !quantityResult.WasSatisfied)
{
return(PkgPurchaseResult.QuantityZero);
}
if (maxPurchaseResult != null && !maxPurchaseResult.WasSatisfied)
{
return(PkgPurchaseResult.MaxedPurchase);
}
return(PkgPurchaseResult.TransactionFailed);
}
if (Contents.CharacterSlots > 0)
{
acc.MaxCharSlot += Contents.CharacterSlots;
}
if (Contents.VaultChests > 0)
{
acc.VaultCount += Contents.VaultChests;
}
acc.FlushAsync();
return(PkgPurchaseResult.Success);
});
// await tasks
try
{
await Task.WhenAll(t1, t2);
}
catch (Exception e)
{
Log.Error(e);
return(PkgPurchaseResult.Error);
}
return(t2.Result);
}