public string Calcul <T>(T data, LambdaExpression query, string format)
{
string reportValue;
if (HasIssue(data, query, out reportValue))
{
return(reportValue);
}
// executes the aggregates
query = (LambdaExpression)ExpressionPreProcessor.PreProcessor(data, query);
// checks the rules against the results of the aggregates
if (HasIssue(data, query, out reportValue))
{
return(reportValue);
}
Delegate lambda = query.Compile();
decimal? result = (decimal?)lambda.DynamicInvoke(data);
return(result != null
? result.Value.ToString(format)
: TypeDonnee.Manquante.ReportValue);
}
public string Calcul <T>(T data, LambdaExpression query, string format)
{
query = (LambdaExpression)ExpressionPreProcessor.PreProcessor(data, query);
var rulesCheckerResult = RulesChecker.Check(data, query);
if (rulesCheckerResult.HasManquante)
{
return(TypeDonnee.Manquante.ReportValue);
}
if (rulesCheckerResult.HasDivisionParZero)
{
return(TypeDonnee.DivisionParZero.ReportValue);
}
if (rulesCheckerResult.HasNonDiffusable)
{
return(TypeDonnee.NonDiffusable.ReportValue);
}
if (rulesCheckerResult.HasConfidentielle)
{
return(TypeDonnee.Confidentielle.ReportValue);
}
Delegate lambda = query.Compile();
decimal? result = (decimal?)lambda.DynamicInvoke(data);
return(result != null
? result.Value.ToString(format)
: TypeDonnee.Manquante.ReportValue);
}
public static Expression PreProcessor(object source, Expression expression)
{
if (!IsValidSource(source))
{
return(expression);
}
var visitor = new ExpressionPreProcessor(source);
return(visitor.Visit(expression));
}