private List <ChartItem> FromSimpleStock(SimpleShare s)
{
List <ChartItem> ctList = null;
if (s.Dates != null)
{
ctList = new List <ChartItem>(s.Dates.Count);
double preClose = calChangeByStart ? s.Closes[0] : 0;
for (int i = 0; i < s.Dates.Count; i++)
{
ctList.Add(new ChartItem()
{
Date = s.Dates[i],
Value = s.Closes[i],
ValueChange = i != 0 ? (s.Closes[i] - preClose) / preClose : 0
});
if (!calChangeByStart)
{
preClose = s.Closes[i];
}
}
}
return(ctList);
}
private SimpleShare FromStock(Stock stock)
{
SimpleShare share = new SimpleShare()
{
StockId = stock.id,
Dates = stock.Items.Select(cd => cd.DateTime).ToList(),
Closes = stock.Items.Select(cd => (double)cd.close).ToList()
};
return(share);
}
public JsonResult GetShareData(Market market, string id, DateTime?start, DateTime?end, DataType type, string context)
{
var stock = LoadStock(market, id, start, end);
SimpleShare share = null;
if (stock != null)
{
switch (type)
{
case DataType.Simple:
share = FromStock(stock);
break;
case DataType.SimpleVolumn:
share = FromStock2(stock);
break;
case DataType.Complete:
share = FromStock3(stock);
break;
}
}
if (share != null)
{
return(Json(share, JsonRequestBehavior.AllowGet));
}
else
{
return(Json(new Error()
{
Code = ErrorCode.InternalError,
Message = "Cannot get share"
}, JsonRequestBehavior.AllowGet));
}
}
