/// <summary>
/// Extension method applies subsequent ordering to the IOrderedQueryable reference
/// </summary>
/// <typeparam name="T"> ENTITY type </typeparam>
/// <param name="query"> IOrderedQueryable reference - usually obtained as a result of calling .OrderBy() or OrderByDescending() </param>
/// <param name="thenOrderBy"> array of subsequent ordering to be applied </param>
/// <returns> ordered queryable instance </returns>
public static IOrderedQueryable <T> ThenOrderBy <T>(this IOrderedQueryable <T> query, ThenOrderBy <T, object>[] thenOrderBy)
{
if (thenOrderBy != null)
{
foreach (ThenOrderBy <T, object> @by in thenOrderBy)
{
query = query.Order(@by.thenBy, @by.direction, thenBy: true);
}
}
return(query);
}
public static IOrderedQueryable <T> ThenByDescending <T>(this IOrderedQueryable <T> source, string property)
{
return(source.Order(property, nameof(Enumerable.ThenByDescending)));
}
/// <summary>
/// Extension method applies the <paramref name="orderBy"/> using the specified <paramref name="direction"/>
/// </summary>
/// <typeparam name="T"> ENTITY type </typeparam>
/// <param name="query"> IOrderedQueryable reference - usually obtained as a result of calling .OrderBy() or OrderByDescending() </param>
/// <param name="orderBy"> order by column </param>
/// <param name="direction"> order direction </param>
/// <returns> ordered queryable instance </returns>
public static IOrderedQueryable <T> ThenOrderBy <T>(this IOrderedQueryable <T> query, Expression <Func <T, object> > orderBy, SortDirection direction)
{
return(query.Order(orderBy, direction, thenBy: true));
}