public static ISearchFilter Convert(this ISearchFilterService helper, ISearchFilter filter, string[] keys)
{
// get values that we have filters set for
var values = from v in filter.GetValues() where keys.Contains(v.Id) select v;
var attributeFilter = filter as AttributeFilter;
if (attributeFilter != null)
{
var newFilter = new AttributeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <AttributeFilterValue>().ToArray();
return(newFilter);
}
var rangeFilter = filter as RangeFilter;
if (rangeFilter != null)
{
var newFilter = new RangeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <RangeFilterValue>().ToArray();
return(newFilter);
}
var priceRangeFilter = filter as PriceRangeFilter;
if (priceRangeFilter != null)
{
var newFilter = new PriceRangeFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <RangeFilterValue>().ToArray();
return(newFilter);
}
var categoryFilter = filter as CategoryFilter;
if (categoryFilter != null)
{
var newFilter = new CategoryFilter();
newFilter.InjectFrom(filter);
newFilter.Values = values.OfType <CategoryFilterValue>().ToArray();
return(newFilter);
}
return(null);
}
