//public static ObjectQuery<T> Include<T>(this ObjectQuery<T> objectQuery, IEnumerable<string> includes)
//{
// if (includes != null && includes.Any())
// {
// foreach (var include in includes)
// {
// objectQuery = objectQuery.Include(include);
// }
// }
// return objectQuery;
//}
//public static ObjectQuery<T> OrderBy<T>(this ObjectQuery<T> objectQuery, IEnumerable<SortDescriptor> sortDesciptors)
//{
// if (sortDesciptors != null && sortDesciptors.Any())
// {
// foreach (var sort in sortDesciptors)
// {
// objectQuery = objectQuery.OrderBy(sort.SortDirection == ListSortDirection.Ascending
// ? string.Format("{0}.{1}", objectQuery.Name, sort.Member)
// : string.Format("{0}.{1} desc", objectQuery.Name, sort.Member));
// }
// }
// return objectQuery;
//}
public static IQueryable <T> OrderBy <T>(this IQueryable <T> query, IEnumerable <SortDescriptor> sortDesciptors)
{
if (sortDesciptors != null && sortDesciptors.Any())
{
var sortBuilder = new SortDescriptorCollectionExpressionBuilder(query, sortDesciptors);
query = sortBuilder.Sort() as IQueryable <T>;
}
return(query);
}
/// <summary>
/// Sorts the elements of a sequence using the specified sort descriptors.
/// </summary>
/// <param name="source">A sequence of values to sort.</param>
/// <param name="sortDescriptors">The sort descriptors used for sorting.</param>
/// <returns>
/// An <see cref="IQueryable" /> whose elements are sorted according to a <paramref name="sortDescriptors"/>.
/// </returns>
public static IQueryable Sort(this IQueryable source, IEnumerable <SortDescriptor> sortDescriptors)
{
var builder = new SortDescriptorCollectionExpressionBuilder(source, sortDescriptors);
return(builder.Sort());
}