/// <summary>
/// Apply order to query
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public IOrderedQueryable <T> ApplyOrders(IQueryable <T> query)
{
//get the order list
IGenericDataOrder <T>[] orderlist = new IGenericDataOrder <T>[] { };
IGenericDataOrder <T> currentOrder = this;
while (currentOrder != null)
{
orderlist = orderlist.Concat(new IGenericDataOrder <T>[] { currentOrder }).ToArray();
IGenericDataOrder <T> parentOrder = currentOrder.GetParent();
if (parentOrder != null)
{
currentOrder = parentOrder;
}
else
{
currentOrder = null;
}
}
orderlist = orderlist.Reverse().ToArray();
//build the ordered query
IOrderedQueryable <T> queryOrdered = null;
foreach (IGenericDataOrder <T> order in orderlist)
{
if (queryOrdered == null)
{
if (order.SortAscending)
{
queryOrdered = order.ApplyOrderByAscending(query);
}
else
{
queryOrdered = order.ApplyOrderByDescending(query);
}
}
else
{
if (order.SortAscending)
{
queryOrdered = order.ApplyThenByAscending(queryOrdered);
}
else
{
queryOrdered = order.ApplyThenByDescending(queryOrdered);
}
}
}
return(queryOrdered);
}
