private IQueryable <TEntity> Sort(IQueryable <TEntity> entities, ISortRule <TEntity, TId> rule, bool firstRule)
{
if (firstRule)
{
if (rule.Direction == SortDirection.Descending)
{
entities = entities.OrderByDescending(rule.Expression);
}
else
{
entities = entities.OrderBy(rule.Expression);
}
}
else
{
if (rule.Direction == SortDirection.Descending)
{
entities = (entities as IOrderedQueryable <TEntity>).ThenByDescending(rule.Expression);
}
else
{
entities = (entities as IOrderedQueryable <TEntity>).ThenBy(rule.Expression);
}
}
return(entities);
}
public void SetDefault(ISortRule <TEntity, TId> rule)
{
_defaultRule = rule;
}
public void Add(ISortRule <TEntity, TId> rule)
{
_sortRules.Add(_counter, rule);
_counter++;
}
