public Task InvokeFiltersAsync <TContext, TFilter>(TContext context)
where TContext : IFilterContext
where TFilter : ICommandFilter
{
var filterType = typeof(TFilter);
if (_cachedDelegates.TryGetValue(filterType, out var proccessDelegate))
{
return(proccessDelegate(context));
}
IFilterFactory selectedFilterFactory = null;
foreach (var filterFactory in _filterFactories)
{
if (filterFactory.CanInvoke(filterType))
{
selectedFilterFactory = filterFactory;
break;
}
}
if (selectedFilterFactory.HasNoContent())
{
return(Task.CompletedTask);
}
var filterDelegate = selectedFilterFactory.GetFiltersDelegate();
CheckFilterDelegate(selectedFilterFactory, filterDelegate);
var buildedDelegate = BuildDelegate(filterType, filterDelegate);
return(buildedDelegate(context));
}