public static Expression <Func <T, bool> > BuildFiltersExp(MetadataBase metadata, FilterBase initialFilter, List <LogicalFilter> logicalFilters)
{
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
if (initialFilter == null)
{
throw new ArgumentNullException(nameof(initialFilter));
}
ParameterExpression paramExp = Expression.Parameter(typeof(T), "parameter");
Expression exp = initialFilter.GetExpression(paramExp, metadata);
if (logicalFilters != null)
{
foreach (LogicalFilter logicalFilter in logicalFilters)
{
exp = logicalFilter.GetExpression(exp, paramExp, metadata);
}
}
var predicate = Expression.Lambda <Func <T, bool> >(exp, paramExp);
return(predicate);
}
