/// <summary>
/// Creates and return a filter associated with the specified key added for the context.
/// </summary>
/// <typeparam name="T">The type of elements of the query.</typeparam>
/// <param name="key">The filter key associated to the filter.</param>
/// <param name="queryFilter">The query filter to apply to the context.</param>
/// <param name="isEnabled">true if the filter is enabled.</param>
/// <returns>The filter created and added to the context.</returns>
public static BaseQueryFilterInterceptor Filter <T>(object key, Func <IQueryable <T>, IQueryable <T> > queryFilter, bool isEnabled = true) where T : class
{
BaseQueryFilterInterceptor filter;
// FilterByKey
{
if (!GlobalFiltersByKey.TryGetValue(key, out filter))
{
filter = new QueryFilterInterceptor <T>(queryFilter)
{
IsDefaultEnabled = isEnabled
};
GlobalFiltersByKey.AddOrUpdate(key, filter, (o, interceptorFilter) => filter);
}
}
// FilterByType
{
if (!GlobalFilterByType.ContainsKey(typeof(T)))
{
GlobalFilterByType.AddOrUpdate(typeof(T), new List <BaseQueryFilterInterceptor>(), (type, list) => list);
}
GlobalFilterByType[typeof(T)].Add(filter);
}
ClearAllCache();
return(filter);
}
/// <summary>Clears the global filter.</summary>
public static void ClearGlobalFilter()
{
GlobalFiltersByKey.Clear();
GlobalFilterByType.Clear();
}
