public Task <IBinding?> TryCreateAsync(BindingProviderContext context)
{
_ = context ?? throw new ArgumentNullException(nameof(context));
var attribute = context.Parameter.GetCustomAttributes(inherit: false).OfType <IBindingSourceMetadata>().FirstOrDefault();
if (!(attribute is null))
{
var modelMetadata = _modelMetadataProvider switch
{
ModelMetadataProvider provider => provider.GetMetadataForParameter(context.Parameter),
_ => _modelMetadataProvider.GetMetadataForType(context.Parameter.ParameterType)
};
var modelBinderFactoryContext = new ModelBinderFactoryContext
{
Metadata = modelMetadata,
BindingInfo = BindingInfo.GetBindingInfo(context.Parameter.GetCustomAttributes())
};
var modelBinder = _modelBinderFactory.CreateBinder(modelBinderFactoryContext);
return(Task.FromResult <IBinding?>(new MvcModelBinding(context.Parameter, modelMetadata, modelBinder, _mvcOptions.ValueProviderFactories)));
}
return(Task.FromResult <IBinding?>(null));
}
}
