public async Task LoadChart()
{
var stockInfo = new StockInfoItem
{
Id = StockValueContext.Id,
MarketType = StockValueContext.ExchangeTypeKey,
Name = StockValueContext.Name
};
StockChartModel chartModel = await _queryService.GetRealTimeTradeChartAsync(stockInfo);
// Set the start and end value to y axis
SetOpenCloseTimeToCharAxis(chartModel);
// Set the top and bottom value for the chart
SetUpDownLimitLineToChart(chartModel.StockMessage);
// Draw the middle, up and down extra line for the chart
DrawExtraLines(chartModel.StockMessage);
// 設定股價座標顯示的區間次數
SetPriceTickInterval(Convert.ToDouble(chartModel.StockMessage.LimitUp), Convert.ToDouble(chartModel.StockMessage.LimitDown), 5);
// Add stock point to chart
foreach (var point in chartModel.ChartData)
{
DateTime xDateTime = DateTimeUtils.UnixTimeStampToDateTime(Convert.ToDouble(point.Timestemp));
var axisPoint = DateTimeAxis.CreateDataPoint(xDateTime, Convert.ToDouble(point.Value));
ChartDataCollection.Add(axisPoint);
}
}
public IEnumerable <StockChartModel> First([FromBody] IEnumerable <QueryModel> value)
{
string condField = HttpContext.Request.Query["field"];
string[] condValues = JsonConvert.DeserializeObject <string[]>(HttpContext.Request.Query["value"]);
List <string> items = _member.GetStockedModel(value.ElementAt(0).field, condField, condValues);
List <StockChartModel> retData = new List <StockChartModel>();
foreach (string element in items)
{
StockChartModel tmpData = new StockChartModel();
List <QueryModel> queryData = new List <QueryModel>();
queryData.Add(new QueryModel {
field = value.ElementAt(0).field, value = element
});
queryData.Add(value.ElementAt(1));
tmpData.Name = element;
tmpData.Data = _member.GetChartModelByGroupInfo(queryData, condField, condValues);
retData.Add(tmpData);
}
return(retData);
}
private void SetOpenCloseTimeToCharAxis(StockChartModel chartModel)
{
// set the start and end y axis
if (chartModel.ChartData.Count > 0)
{
DateTime op = DateTimeUtils.UnixTimeStampToDateTime(Convert.ToDouble(chartModel.ChartData[0].Timestemp));
DateTime clo = new DateTime(op.Year, op.Month, op.Day, 13, 30, 0);
OpeningTimeAxis = DateTimeAxis.ToDouble(op);
ClosingTimeAxis = DateTimeAxis.ToDouble(clo);
}
}
internal StockChartModel ConvertToModel()
{
StockChartModel chartModel = new StockChartModel();
chartModel.StockId = StockId;
if (StockMessage.Count > 0)
{
chartModel.StockMessage = StockMessage[0].Convert();
}
chartModel.ChartData = new List <ChartPointModel>();
foreach (var point in ChartData)
{
chartModel.ChartData.Add(point.Convert());
}
return(chartModel);
}
