private static bool FilterMatches(
FilterScope scope,
AutofacFilterCategory filterCategory,
ILifetimeScope lifeTimeScope,
HttpActionDescriptor descriptor,
FilterPredicateMetadata metadata)
{
return(metadata.FilterCategory == filterCategory &&
metadata.Scope == scope &&
metadata.Predicate(lifeTimeScope, descriptor));
}
private static bool FilterMatchesAndNotAlreadyAdded(
FilterContext filterContext,
FilterScope scope,
AutofacFilterCategory filterCategory,
ILifetimeScope lifeTimeScope,
FilterPredicateMetadata metadata,
HttpActionDescriptor descriptor)
{
return(FilterMatches(scope, filterCategory, lifeTimeScope, descriptor, metadata) &&
!MatchingFilterAlreadyAdded(filterContext, filterCategory, lifeTimeScope, descriptor, metadata));
}
private static bool MatchingFilterAlreadyAdded(FilterContext filterContext, AutofacFilterCategory filterCategory, ILifetimeScope lifeTimeScope, HttpActionDescriptor descriptor, FilterPredicateMetadata metadata)
{
var filters = filterContext.AddedFilters[filterCategory];
return(filters.Any(filter => filter.Scope == metadata.Scope &&
filter.Predicate(lifeTimeScope, descriptor)));
}
