// add property filter described by BindAttribute, override prefix
protected override object BindCslaModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
if (string.IsNullOrEmpty(BindCriteria.Include) && string.IsNullOrEmpty(BindCriteria.Exclude) && string.IsNullOrEmpty(BindCriteria.Prefix))
return base.BindCslaModel(controllerContext, bindingContext);
Predicate<string> propFilter = bindingContext.PropertyFilter;
if (!string.IsNullOrEmpty(BindCriteria.Include) || !string.IsNullOrEmpty(BindCriteria.Exclude))
{
var bindAttr = new BindAttribute() { Exclude = BindCriteria.Exclude, Include = BindCriteria.Include };
propFilter = (propName) => bindAttr.IsPropertyAllowed(propName)
&& bindingContext.PropertyFilter(propName);
}
var newPrefix = BindCriteria.Prefix ?? bindingContext.ModelName;
var newBindingContext = new ModelBindingContext()
{
Model = bindingContext.Model,
ModelName = newPrefix,
ModelState = bindingContext.ModelState,
ModelType = bindingContext.ModelType,
PropertyFilter = propFilter,
ValueProvider = bindingContext.ValueProvider
};
return base.BindCslaModel(controllerContext, newBindingContext);
}
private static void CheckPropertyFilter(ModelBindingContext bindingContext)
{
if (bindingContext.ModelType.GetProperties().Select(p => p.Name).Any(name => !bindingContext.PropertyFilter(name)))
{
throw new InvalidOperationException(MvcResources.ExtensibleModelBinderAdapter_PropertyFilterMustNotBeSet);
}
}
internal void BindComplexElementalModel(ControllerContext controllerContext, ModelBindingContext bindingContext, object model)
{
// need to replace the property filter + model object and create an inner binding context
BindAttribute bindAttr = (BindAttribute)TypeDescriptor.GetAttributes(bindingContext.ModelType)[typeof(BindAttribute)];
Predicate <string> newPropertyFilter = (bindAttr != null)
? propertyName => bindAttr.IsPropertyAllowed(propertyName) && bindingContext.PropertyFilter(propertyName)
: bindingContext.PropertyFilter;
ModelBindingContext newBindingContext = new ModelBindingContext()
{
Model = model,
ModelName = bindingContext.ModelName,
ModelState = bindingContext.ModelState,
ModelType = bindingContext.ModelType,
PropertyFilter = newPropertyFilter,
ValueProvider = bindingContext.ValueProvider
};
// validation
if (OnModelUpdating(controllerContext, newBindingContext))
{
BindProperties(controllerContext, newBindingContext);
OnModelUpdated(controllerContext, newBindingContext);
}
}
internal ModelBindingContext CreateComplexElementalModelBindingContext(
ControllerContext controllerContext,
ModelBindingContext bindingContext,
object model
)
{
BindAttribute bindAttr = (BindAttribute)GetTypeDescriptor(
controllerContext,
bindingContext
)
.GetAttributes()[typeof(BindAttribute)];
Predicate <string> newPropertyFilter =
(bindAttr != null)
? propertyName =>
bindAttr.IsPropertyAllowed(propertyName) &&
bindingContext.PropertyFilter(propertyName)
: bindingContext.PropertyFilter;
ModelBindingContext newBindingContext = new ModelBindingContext()
{
ModelMetadata = ModelMetadataProviders.Current.GetMetadataForType(
() => model,
bindingContext.ModelType
),
ModelName = bindingContext.ModelName,
ModelState = bindingContext.ModelState,
PropertyFilter = newPropertyFilter,
ValueProvider = bindingContext.ValueProvider
};
return(newBindingContext);
}
public void CopyConstructor() {
// Arrange
ModelBindingContext originalBindingContext = new ModelBindingContext() {
FallbackToEmptyPrefix = true,
ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(null, typeof(object)),
ModelName = "theName",
ModelState = new ModelStateDictionary(),
PropertyFilter = _ => false,
ValueProvider = new SimpleValueProvider()
};
// Act
ModelBindingContext newBindingContext = new ModelBindingContext(originalBindingContext);
// Assert
Assert.IsFalse(newBindingContext.FallbackToEmptyPrefix, "Property 'FallbackToEmptyPrefix' should not have been propagated.");
Assert.IsNull(newBindingContext.ModelMetadata, "Property 'ModelMetadata' should not have been propagated.");
Assert.AreEqual("", newBindingContext.ModelName, "Property 'ModelName' should not have been propagated.");
Assert.AreEqual(originalBindingContext.ModelState, newBindingContext.ModelState, "Property 'ModelState' should have been propagated.");
Assert.IsTrue(newBindingContext.PropertyFilter("foo"), "Property 'PropertyFilter' should not have been propagated.");
Assert.AreEqual(originalBindingContext.ValueProvider, newBindingContext.ValueProvider, "Property 'ValueProvider' should have been propagated.");
}
private IEnumerable<string> GetKeys(ModelBindingContext bindingContext)
{
var keys = new List<string> { bindingContext.ModelName, bindingContext.ModelName + ".Id", bindingContext.ModelName + "Id" };
return keys.Where(x => bindingContext.PropertyFilter(x));
}
private ModelBindingContext CreateComplexElementalModelBindingContext(ControllerContext controllerContext, ModelBindingContext bindingContext, object model)
{
BindAttribute bindAttr = (BindAttribute)GetTypeDescriptor(controllerContext, bindingContext).GetAttributes()[typeof(BindAttribute)];
Predicate<string> newPropertyFilter = (bindAttr != null)
? propertyName => bindAttr.IsPropertyAllowed(propertyName) && bindingContext.PropertyFilter(propertyName)
: bindingContext.PropertyFilter;
ModelBindingContext newBindingContext = new ModelBindingContext()
{
ModelMetadata = ModelMetadataProviders.Current.GetMetadataForType(() => model, bindingContext.ModelType),
ModelName = bindingContext.ModelName,
ModelState = bindingContext.ModelState,
PropertyFilter = newPropertyFilter,
ValueProvider = bindingContext.ValueProvider
};
return newBindingContext;
}
