private static IList ValueList(IFilterStatement statement)
{
var type = statement.GetPropertyType();
var myList = (IList)Activator.CreateInstance(typeof(List <>).MakeGenericType(type), statement.Value);
if (type == typeof(string))
{
for (var itemIndex = 0; itemIndex < myList.Count; itemIndex++)
{
myList[itemIndex] = (myList[itemIndex] as string)?.Trim().ToLower();
}
}
return(myList);
}
private Expression GetConstantExpression(Expression member, IFilterStatement statement)
{
var value = statement.Value;
if (value == null)
{
return(null);
}
Expression constant = Expression.Constant(value);
if (value is string)
{
var trimConstantCall = Expression.Call(constant, helper.trimMethod);
constant = Expression.Call(trimConstantCall, helper.toLowerMethod);
}
else if (statement.ValueIsList())
{
var myList = ValueList(statement);
constant = Expression.Constant(statement.Operation == Operation.Between ? new ArrayList(myList).ToArray(statement.GetPropertyType()) : myList);
}
return(constant);
}