/// <summary>
/// Gets all chart data in json format.
/// </summary>
/// <param name="userId">The user identifier.</param>
/// <param name="vitalValueTypeID">The vital value type identifier.</param>
/// <returns></returns>
public string GetAllChartDataJson(GetAllChartDataSP p)
{
IVitalTypeService vTypeService = (IVitalTypeService)EntityFactory.GetEntityServiceByName(vVitalType.EntityName, "");
vVitalType vitalType = vTypeService.GetByIDV(p.VitalTypeID, new GetByIDParameters());
System.Text.StringBuilder sb = new System.Text.StringBuilder();
var list = this.GetAllChartData(p);
sb.Append("[");
vVitalValue prevItem = null;
for (int i = 0; i < list.Count; i++)
{
var item = list[i];
VitalValueToJsonString(sb, item, vitalType, prevItem);
if (i != list.Count - 1)
{
sb.Append(",");
}
prevItem = item;
}
sb.Append("]");
return(sb.ToString());
}
private void VitalValueToJsonString(System.Text.StringBuilder sb, vVitalValue item, vVitalType vitalType, vVitalValue previousItem)
{
int recordDateTime = item.RecordDateTimeUnix.Value;
double dataValue = item.DataValue;
// compress by difference
if (previousItem != null)
{
recordDateTime = item.RecordDateTimeUnix.Value - previousItem.RecordDateTimeUnix.Value;
}
//if (previousItem != null)
// dataValue = item.DataValue - previousItem.DataValue;
string formattedValue = dataValue.ToString("F" + vitalType.AfterDecimalPointDigits.ToString());
sb.Append("[")
.Append(FWUtils.EntityUtils.ConvertObjectToString(recordDateTime))
.Append(",")
.Append(formattedValue)
.Append("]");
}
