/// <summary>
/// Handles OrderBy.
/// </summary>
/// <param name="expression"></param>
/// <returns></returns>
protected override Expression VisitMethodCall(MethodCallExpression expression)
{
if (expression.Method.Name == "OrderBy" || expression.Method.Name == "ThenBy")
{
var memberExp = ((expression.Arguments[1] as UnaryExpression).Operand as LambdaExpression).Body as MemberExpression;
_sortBuilder.Order(memberExp.Expression.Type, memberExp.Member.Name);
}
if (expression.Method.Name == "OrderByDescending" || expression.Method.Name == "ThenByDescending")
{
var memberExp = ((expression.Arguments[1] as UnaryExpression).Operand as LambdaExpression).Body as MemberExpression;
_sortBuilder.OrderByDescending(memberExp.Expression.Type, memberExp.Member.Name);
}
return(base.VisitMethodCall(expression));
}
public virtual SortBuilder <T> ThenByDescending(Expression <Func <T, object> > sortExpression)
{
SortBuilder.OrderByDescending(sortExpression);
return(SortBuilder);
}
