public static string SerializeToXml(ChartParameters request)
{
using (StringWriter writer = new StringWriter())
{
XmlSerializer serializer = new XmlSerializer(typeof(ChartParameters));
serializer.Serialize(writer, request);
return(writer.ToString());
}
}
public static ChartResult GetData(ChartParameters request, string ReportClassFieldID = "")
{
ChartResult result = new ChartResult();
string strCriteria;
XmlSerializer serializer = new XmlSerializer(request.Criterias.GetType());
using (StringWriter sw = new StringWriter())
{
using (var xw = XmlWriter.Create(sw, new XmlWriterSettings()
{
OmitXmlDeclaration = true
}))
{
serializer.Serialize(xw, request.Criterias);
strCriteria = sw.ToString();
}
}
result.Series = new List <ChartSeries>();
result.Changes = new List <ChartChange>();
using (Entity db = new Entity())
{
db.Database.Initialize(false);
var cmd = db.Database.Connection.CreateCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "dbo.p_get_chart_data";
cmd.Parameters.Add(new SqlParameter("@indicator_id", request.IndicatorId));
cmd.Parameters.Add(new SqlParameter("@criteria_xml", strCriteria));
cmd.Parameters.Add(new SqlParameter("@report_class_fieldid", ReportClassFieldID));
try
{
db.Database.Connection.Open();
var reader = cmd.ExecuteReader();
var dbSeries = ((IObjectContextAdapter)db).ObjectContext.Translate <ChartSeries>(reader);
foreach (var item in dbSeries)
{
result.Series.Add(item);
}
reader.NextResult();
var dbResults = ((IObjectContextAdapter)db).ObjectContext.Translate <TimeSeriesPoint>(reader).ToArray();
foreach (var s in result.Series)
{
s.Points = dbResults.Where(x => x.SeriesId == s.SeriesId).ToArray();
}
reader.NextResult();
var dbChanges = ((IObjectContextAdapter)db).ObjectContext.Translate <ChartChange>(reader).ToArray();
foreach (var c in dbChanges)
{
result.Changes.Add(c);
}
}
finally
{
db.Database.Connection.Close();
}
}
for (int i = 0; i < result.Series.Count; i++)
{
result.Series.ElementAt(i).Color = new Color(request.Criterias[i].ColorId);
}
if (request.AddMedian && result.Series.Count == 1)
{
result.RulesResult = new ChartRulesResult <DateTime>(
(ICollection <IPoint <DateTime> >)result.Series.ElementAt(0).Points);
}
return(result);
}
