public MetadataOverrideScope(ModelMetadata metadata)
{
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
if (metadata.ModelType == null)
{
throw new ArgumentException("Need ModelType", "metadata");
}
_oldMetadataProvider = ModelMetadataProviders.Current;
_metadata = metadata;
_modelType = metadata.ModelType;
// Mock a ModelMetadataProvider which delegates to the old one in most cases. No need to special-case
// GetMetadataForProperties() because product code uses it only within ModelMetadata.Properties and our
// metadata instance will call _oldMetadataProvider there.
var metadataProvider = new Mock <ModelMetadataProvider>();
metadataProvider
.Setup(p => p.GetMetadataForProperties(It.IsAny <object>(), It.IsAny <Type>()))
.Returns((object container, Type containerType) =>
_oldMetadataProvider.GetMetadataForProperties(container, containerType));
metadataProvider
.Setup(p => p.GetMetadataForType(It.IsAny <Func <object> >(), It.IsAny <Type>()))
.Returns((Func <object> modelAccessor, Type modelType) =>
_oldMetadataProvider.GetMetadataForType(modelAccessor, modelType));
// When metadata for _modelType is requested, then return a clone of the provided metadata instance.
// GetMetadataForProperty() is important because the static discovery methods (e.g.
// ModelMetadata.FromLambdaExpression) use it.
metadataProvider
.Setup(p => p.GetMetadataForType(It.IsAny <Func <object> >(), _modelType))
.Returns((Func <object> modelAccessor, Type modelType) => GetMetadataForType(modelAccessor, modelType));
metadataProvider
.Setup(p =>
p.GetMetadataForProperty(It.IsAny <Func <object> >(), It.IsAny <Type>(), It.IsAny <string>()))
.Returns((Func <object> modelAccessor, Type containerType, string propertyName) =>
GetMetadataForProperty(modelAccessor, containerType, propertyName));
// Calls to GetMetadataForProperties for the modelType are incorrect because _metadata.Provider must
// reference _oldMetadataProvider and not this mock.
metadataProvider
.Setup(p => p.GetMetadataForProperty(It.IsAny <Func <object> >(), _modelType, It.IsAny <string>()))
.Throws <InvalidOperationException>();
// Finally make our ModelMetadataProvider visible everywhere.
ModelMetadataProviders.Current = metadataProvider.Object;
}
public MetadataOverrideScope(ModelMetadata metadata)
{
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
if (metadata.ModelType == null)
{
throw new ArgumentException("Need ModelType", "metadata");
}
_oldMetadataProvider = ModelMetadataProviders.Current;
_metadata = metadata;
_modelType = metadata.ModelType;
// Mock a ModelMetadataProvider which delegates to the old one in most cases. No need to special-case
// GetMetadataForProperties() because product code uses it only within ModelMetadata.Properties and our
// metadata instance will call _oldMetadataProvider there.
var metadataProvider = new Mock<ModelMetadataProvider>();
metadataProvider
.Setup(p => p.GetMetadataForProperties(It.IsAny<object>(), It.IsAny<Type>()))
.Returns((object container, Type containerType) =>
_oldMetadataProvider.GetMetadataForProperties(container, containerType));
metadataProvider
.Setup(p => p.GetMetadataForType(It.IsAny<Func<object>>(), It.IsAny<Type>()))
.Returns((Func<object> modelAccessor, Type modelType) =>
_oldMetadataProvider.GetMetadataForType(modelAccessor, modelType));
// When metadata for _modelType is requested, then return a clone of the provided metadata instance.
// GetMetadataForProperty() is important because the static discovery methods (e.g.
// ModelMetadata.FromLambdaExpression) use it.
metadataProvider
.Setup(p => p.GetMetadataForType(It.IsAny<Func<object>>(), _modelType))
.Returns((Func<object> modelAccessor, Type modelType) => GetMetadataForType(modelAccessor, modelType));
metadataProvider
.Setup(p =>
p.GetMetadataForProperty(It.IsAny<Func<object>>(), It.IsAny<Type>(), It.IsAny<string>()))
.Returns((Func<object> modelAccessor, Type containerType, string propertyName) =>
GetMetadataForProperty(modelAccessor, containerType, propertyName));
// Calls to GetMetadataForProperties for the modelType are incorrect because _metadata.Provider must
// reference _oldMetadataProvider and not this mock.
metadataProvider
.Setup(p => p.GetMetadataForProperty(It.IsAny<Func<object>>(), _modelType, It.IsAny<string>()))
.Throws<InvalidOperationException>();
// Finally make our ModelMetadataProvider visible everywhere.
ModelMetadataProviders.Current = metadataProvider.Object;
}
public void Map(IDynamicDataModelSchema details, Type modelType)
{
Condition.Requires(details).IsNotNull();
Condition.Requires(modelType).IsNotNull();
var dataModelMetaData = _modelMetadataProvider.GetMetadataForType(null, modelType);
details.DataTemplateName = StringHelper.FirstNonEmpty(
dataModelMetaData.TemplateHint,
dataModelMetaData.DataTypeName
);
var properiesMetaData = _modelMetadataProvider.GetMetadataForProperties(null, modelType);
var dataModelProperties = new List <DynamicDataModelSchemaProperty>();
foreach (var propertyMetaData in properiesMetaData.OrderBy(p => p.Order))
{
var property = new DynamicDataModelSchemaProperty();
property.Name = propertyMetaData.PropertyName;
property.DisplayName = propertyMetaData.DisplayName;
property.Description = propertyMetaData.Description;
property.IsRequired = propertyMetaData.IsRequired;
property.DataTemplateName = StringHelper.FirstNonEmpty(
propertyMetaData.TemplateHint,
propertyMetaData.DataTypeName,
propertyMetaData.IsNullableValueType ? propertyMetaData.ModelType.GenericTypeArguments[0].Name : propertyMetaData.ModelType.Name
);
property.AdditionalAttributes = propertyMetaData.AdditionalValues;
dataModelProperties.Add(property);
}
details.DataModelProperties = dataModelProperties.ToArray();
}
public override IEnumerable <ModelMetadata> GetMetadataForProperties(object container, Type containerType)
{
return(_innerProvider.GetMetadataForProperties(container, containerType));
}
public override IEnumerable <ModelMetadata> GetMetadataForProperties(object container, Type containerType)
{
return(_innerMetadataProvider.GetMetadataForProperties(container, containerType)
.Where(metadata => _propertyFilter(metadata.PropertyName)));
}
