private static IEnumerable <SsqExcelFunction> LoadFunctions(SsqJson ssqJson)
{
IEnumerable <SsqExcelFunction> ssqExcelFunctions = SsqDelegate.GetSsqExcelFunctions(ssqJson);
log.Debug("Loaded SSQ Excel functions.");
return(ssqExcelFunctions);
}
private static SsqJson LoadSsqJson(string json)
{
SsqJson ssqJson = SsqJson.FromJson(json);
log.Debug("Loaded SSQ JSON object.");
return(ssqJson);
}
public static IEnumerable <KeyValuePair <string, UserDefinedFunction> > GetUserDefinedFunctions(SsqJson ssqJson)
{
return(ssqJson.UDF.Where(x => x.Value.QueryInformation.Enabled));
}
public static IEnumerable <SsqExcelFunction> GetSsqExcelFunctions(SsqJson ssqJson)
{
List <SsqExcelFunction> ssqExcelFunctions = null;
try
{
ssqExcelFunctions = new List <SsqExcelFunction>();
foreach (KeyValuePair <string, UserDefinedFunction> udf in GetUserDefinedFunctions(ssqJson))
{
UserDefinedFunction userDefinedFunction = udf.Value;
QueryInformation queryInformation = userDefinedFunction.QueryInformation;
QueryParameter queryParameter = userDefinedFunction.QueryParameter;
Delegate excelFunction = new Func <string, object>(wkn_isin_ticker =>
{
object value;
try
{
Ssq ssq = new Ssq(queryParameter,
udf.Key);
value = ssq.TryQ(wkn_isin_ticker);
}
catch (Exception ex)
{
log.Error(ex.Message);
return(ExcelError.ExcelErrorGettingData);
}
return(value);
});
ExcelFunctionAttribute excelFunctionAttribute = new ExcelFunctionAttribute
{
Name = queryInformation.Name,
Description = queryInformation.Description + "\n" +
"Author: " + queryInformation.Author + " (" + queryInformation.AuthorEmail + ")\n" +
"Version " + queryInformation.Version + " of " + queryInformation.VersionDate + ", Provider: " + queryInformation.Provider,
Category = "FFE",
IsThreadSafe = true,
HelpTopic = !String.IsNullOrEmpty(queryInformation.HelpTopic) ? queryInformation.HelpTopic : null
};
ExcelArgumentAttribute excelArgumentAttribute = new ExcelArgumentAttribute {
Name = queryInformation.ExcelArgNameStockIdentifier, Description = queryInformation.ExcelArgDescStockIdentifier
};
ssqExcelFunctions.Add(new SsqExcelFunction(queryInformation.Name, excelFunction, excelFunctionAttribute, excelArgumentAttribute));
log.Debug("Created SSQ Excel function: {@SsqExcelFunction}", queryInformation.Name);
}
}
catch (Exception ex)
{
log.Error("Exception while creating SSQ Excel functions. {@ExceptionMessage}", ex.Message);
throw;
}
return(ssqExcelFunctions);
}