public static AliasBaseQueryFilter Filter(this DbContext context, object key)
#endif
{
var filterContext = AliasQueryFilterManager.AddOrGetFilterContext(context);
return(filterContext.GetFilter(key));
}
public static IQueryable <T> Filter <T>(this DbSet <T> query, params object[] keys) where T : class
#endif
{
var queryFilterQueryable = AliasQueryFilterManager.GetFilterQueryable(query);
var nonQueryFilter = queryFilterQueryable != null ? (IQueryable <T>)queryFilterQueryable.OriginalQuery : query;
var context = queryFilterQueryable != null ? queryFilterQueryable.Context : query.GetDbContext();
var filterContext = AliasQueryFilterManager.AddOrGetFilterContext(context);
return(filterContext.ApplyFilter(nonQueryFilter, keys));
}
public static AliasBaseQueryFilter Filter <T>(this DbContext context, object key, Func <IQueryable <T>, IQueryable <T> > queryFilter, bool isEnabled = true)
#endif
{
var filterContext = AliasQueryFilterManager.AddOrGetFilterContext(context);
var filter = filterContext.AddFilter(key, queryFilter);
if (isEnabled)
{
filter.Enable();
}
return(filter);
}
public static IQueryable <T> SetFiltered <T>(this DbContext context) where T : class
#endif
{
var filterContext = AliasQueryFilterManager.AddOrGetFilterContext(context);
if (filterContext.FilterSetByType.ContainsKey(typeof(T)))
{
var set = filterContext.FilterSetByType[typeof(T)];
if (set.Count == 1)
{
return((IQueryable <T>)set[0].DbSetProperty.GetValue(context));
}
throw new Exception(ExceptionMessage.QueryFilter_SetFilteredManyFound);
}
throw new Exception(ExceptionMessage.QueryFilter_SetFilteredNotFound);
}