public void ClearFilter()
{
FilterParams = null;
SearchString = string.Empty;
Criteria = DetachedCriteria.For <EntityBase>();
}
public static IEnumerable <T> Filter <T>(this IEnumerable <T> source, IFilterParams <T> filterParams)
{
var sourceProps = typeof(T).GetProperties();
var filterProps = filterParams.GetType().GetProperties();
foreach (var prop in filterProps)
{
var filterAttr = prop.GetCustomAttribute <FilterAttribute>();
if (filterAttr == null)
{
continue;
}
object val = prop.GetValue(filterParams);
if (val == null)
{
continue;
}
// oops.. little hole..
if (prop.PropertyType == typeof(string) && (string)val == string.Empty)
{
continue;
}
string propName = string.IsNullOrEmpty(filterAttr.PropName)
? prop.Name
: filterAttr.PropName;
if (!sourceProps.Any(x => x.Name == propName))
{
continue;
}
Func <T, bool> filter = CreateFilter <T>(propName, filterAttr.FilterType, val);
source = source.Where(filter);
}
return(source);
}
public void ClearFilterParams()
{
FilterParams = null;
}
