/// <summary>
/// 更新每日行情.
/// </summary>
/// <param name="newData"></param>
/// <returns></returns>
public bool InsertOrUpdateCommodityPrice(CommodityPrice newData)
{
bool result = false;
try
{
using (MyMiniTradingSystemContext context = new MyMiniTradingSystemContext())
{
// 计算 Tr.
newData.Tr = GetTrValue(context, newData);
// 计算 Atr.
newData.Atr = GetAtrValue(context, newData);
// 查询数据是否已存在.
var query =
from data in context.CommodityPrices
where
data.CommodityCode == newData.CommodityCode &&
data.TradingStartDate == newData.TradingStartDate
select data;
CommodityPrice oldData = query.FirstOrDefault();
if (oldData != null)
{
// 更新.
// 开.
oldData.OpenPrice = newData.OpenPrice;
// 收.
oldData.ClosePrice = newData.ClosePrice;
// 高.
oldData.HighestPrice = newData.HighestPrice;
// 低.
oldData.LowestPrice = newData.LowestPrice;
// 量.
oldData.Volume = newData.Volume;
// Tr.
oldData.Tr = newData.Tr;
// ATR.
oldData.Atr = newData.Atr;
oldData.BeforeUpdateOperation();
}
else
{
// 插入.
newData.BeforeInsertOperation();
context.CommodityPrices.Add(newData);
}
// 保存.
context.SaveChanges();
result = true;
}
}
catch (Exception ex)
{
logger.Error(ex.Message, ex);
result = false;
ResultMessage = ex.Message;
}
return(result);
}
