public static IOrderedQueryable <T> Order <T, TOrder>(
this IQueryable <T> query,
ISortParams sortParams,
Expression <Func <T, TOrder> > ordersBy,
SortDirs defaultSortDir = SortDirs.Asc)
{
return(query.Order(sortParams, new[] { ordersBy }, null, defaultSortDir));
}
public static IOrderedQueryable <T> Order <T, TOrder>(
this IQueryable <T> query,
ISortParams sortParams,
IEnumerable <Expression <Func <T, TOrder> > > ordersBy,
SortDirs[] sortDirs = null,
SortDirs defaultSortDir = SortDirs.Asc)
{
//Choose between defaults and selected orders
string[] _ordersBy = null;
SortDirs[] _sortDirs = null;
if (sortParams != null && sortParams.SortBy != null && sortParams.SortBy.Any())
{
_ordersBy = sortParams.SortBy;
_sortDirs = sortParams.SortDir;
}
else
{
_ordersBy = ordersBy.Select(o => ExpressionHelper.GetExpressionText(ExpressionHelper.RemoveConvert(o))).ToArray();
_sortDirs = ordersBy.Select((o, i) => sortDirs != null && sortDirs.Where((x, ix) => i == ix).Any() ? sortDirs.Where((x, ix) => i == ix).FirstOrDefault() : defaultSortDir).ToArray();
}
//Apply Orders
var y = 0;
foreach (var o in _ordersBy)
{
if (y == 0)
{
query = query.OrderByProperty(o, _sortDirs.ElementAt(y) == SortDirs.Asc);
}
else
{
query = ((IOrderedQueryable <T>)query).ThenByProperty(o, _sortDirs.ElementAt(y) == SortDirs.Asc);
}
y++;
}
return((IOrderedQueryable <T>)query);
}
public SortParams()
{
SortBy = new string[] { };
SortDir = new SortDirs[] { };
}
