private static IOrderedQueryable <TSource> OrderByWithDefault <TSource>(this IQueryable <TSource> source, string propertyName, bool isAscending, params string[] thenByPropertyNames)
{
if (propertyName.Trim(',').Contains(","))
{
var names = propertyName
.Split(_splitOnComma, StringSplitOptions.RemoveEmptyEntries)
.Union(thenByPropertyNames);
propertyName = names.First();
thenByPropertyNames = names.Skip(1).ToArray();
}
var orderByProperty = new OrderByProperty(propertyName, isAscending);
var returnValue = _PropertyCache <TSource> .OrderByPropAndDirection(source, orderByProperty);
foreach (var thenByPropertyString in thenByPropertyNames)
{
returnValue = _PropertyCache <TSource> .ThenByPropAndDirection(returnValue, new OrderByProperty(thenByPropertyString, isAscending));
}
return(returnValue);
}
public static IOrderedQueryable <TSource> ThenByPropAndDirection(IOrderedQueryable <TSource> source, OrderByProperty property)
{
return(property.IsAscending ?
PropertyCache <TSource, IQueryable <TSource>, IOrderedQueryable <TSource> > .ThenBy(source, property.PropertyName) :
PropertyCache <TSource, IQueryable <TSource>, IOrderedQueryable <TSource> > .ThenByDescending(source, property.PropertyName));
}
public static IOrderedEnumerable <TSource> OrderByPropAndDirection(IEnumerable <TSource> source, OrderByProperty property)
{
return(property.IsAscending ?
PropertyCache <TSource, IEnumerable <TSource>, IOrderedEnumerable <TSource> > .OrderBy(source, property.PropertyName) :
PropertyCache <TSource, IEnumerable <TSource>, IOrderedEnumerable <TSource> > .OrderByDescending(source, property.PropertyName));
}
