/// <summary>
/// Trades the goods.
/// </summary>
/// <returns><c>true</c>, if goods was traded, <c>false</c> otherwise.</returns>
/// <param name="user">User.</param>
/// <param name="goods">Goods.</param>
/// <param name="goodsNum">Goods number.</param>
/// <param name="errorCode">Error code.</param>
public bool TradeGoods(BaseUser user, GoodsData goods, int goodsNum, out TradeErrorCode errorCode)
{
bool result = false;
if (_tradeStrategy.TryEnterTraded(goods))
{
try
{
double payAmount;
if (HasTraded(user, goods, goodsNum, out payAmount, out errorCode))
{
var items = ProduceGoods(goods, goodsNum);
if (SendGoods(user, items) && PayAmount(user, goods.TradeType, payAmount))
{
TradeSuccess(user, goods, goodsNum, payAmount, items);
errorCode = TradeErrorCode.Sucess;
result = true;
}
else
{
errorCode = TradeErrorCode.Fail;
}
}
}
finally
{
_tradeStrategy.ExitTraded();
}
}
else
{
errorCode = TradeErrorCode.TradeTimeout;
}
return(result);
}
/// <summary>
/// 购买商品
/// </summary>
/// <param name="user"></param>
/// <param name="goodsId"></param>
/// <param name="goodsNum"></param>
/// <param name="errorCode"></param>
/// <returns></returns>
public bool BuyGoods(BaseUser user, int goodsId, int goodsNum, out TradeErrorCode errorCode)
{
if (user == null)
{
throw new ArgumentNullException("user");
}
var goods = _goodsList.Find(m => m.Id == goodsId);
if (goods != null)
{
return(_controller.TradeGoods(user, goods, goodsNum, out errorCode));
}
errorCode = TradeErrorCode.NoGodds;
return(false);
}
/// <summary>
/// 购买商品
/// </summary>
/// <param name="user"></param>
/// <param name="goodsId"></param>
/// <param name="goodsNum"></param>
/// <param name="errorCode"></param>
/// <returns></returns>
public bool BuyGoods(BaseUser user, int goodsId, int goodsNum, out TradeErrorCode errorCode)
{
if (user == null)
{
throw new ArgumentNullException("user");
}
errorCode = TradeErrorCode.Fail;
var goods = _goodsList.Find(m => m.Id == goodsId);
if (goods != null)
{
return _controller.TradeGoods(user, goods, goodsNum, out errorCode);
}
else
{
errorCode = TradeErrorCode.NoGodds;
}
return false;
}
protected override bool HasTraded(BaseUser user, GoodsData goods, int goodsNum, out double amount, out TradeErrorCode errorCode)
{
//检查是否可交易
}
/// <summary> /// 检查是否可交易 /// </summary> /// <param name="user"></param> /// <param name="goods"></param> /// <param name="goodsNum"></param> /// <param name="amount"></param> /// <param name="errorCode"></param> /// <returns></returns> protected abstract bool HasTraded(BaseUser user, GoodsData goods, int goodsNum, out double amount, out TradeErrorCode errorCode);
/// <summary>
/// Trades the goods.
/// </summary>
/// <returns><c>true</c>, if goods was traded, <c>false</c> otherwise.</returns>
/// <param name="user">User.</param>
/// <param name="goods">Goods.</param>
/// <param name="goodsNum">Goods number.</param>
/// <param name="errorCode">Error code.</param>
public bool TradeGoods(IUser user, GoodsData goods, int goodsNum, out TradeErrorCode errorCode)
{
bool result = false;
if (_tradeStrategy.TryEnterTraded(goods))
{
try
{
double payAmount;
if (HasTraded(user, goods, goodsNum, out payAmount, out errorCode))
{
var items = ProduceGoods(goods, goodsNum);
if (SendGoods(user, items) && PayAmount(user, goods.TradeType, payAmount))
{
TradeSuccess(user, goods, goodsNum, payAmount, items);
errorCode = TradeErrorCode.Sucess;
result = true;
}
else
{
errorCode = TradeErrorCode.Fail;
}
}
}
finally
{
_tradeStrategy.ExitTraded();
}
}
else
{
errorCode = TradeErrorCode.TradeTimeout;
}
return result;
}
/// <summary> /// 检查是否可交易 /// </summary> /// <param name="user"></param> /// <param name="goods"></param> /// <param name="goodsNum"></param> /// <param name="amount"></param> /// <param name="errorCode"></param> /// <returns></returns> protected abstract bool HasTraded(IUser user, GoodsData goods, int goodsNum, out double amount, out TradeErrorCode errorCode);
protected override bool HasTraded(BaseUser user, GoodsData goods, int goodsNum, out double amount, out TradeErrorCode errorCode)
{
//检查是否可交易
}
