/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
if (context.EntitySet == null && context.Singleton == null)
{
return(false);
}
IEdmNavigationSource navigationSource = context.EntitySet == null ?
(IEdmNavigationSource)context.Singleton :
(IEdmNavigationSource)context.EntitySet;
ActionModel action = context.Action;
string actionName = action.ActionMethod.Name;
string method = SplitActionName(actionName, out string property, out string cast, out string declared);
if (method == null || string.IsNullOrEmpty(property))
{
return(false);
}
// filter by action parameter
IEdmEntityType entityType = navigationSource.EntityType();
bool hasKeyParameter = action.HasODataKeyParameter(entityType);
if (!(context.Singleton != null ^ hasKeyParameter))
{
// Singleton, doesn't allow to query property with key
// entityset, doesn't allow for non-key to query property
return(false);
}
// Find the declaring type of the property if we have the declaring type name in the action name.
// eitherwise, it means the property is defined on the entity type of the navigation source.
IEdmEntityType declaringEntityType = entityType;
if (declared != null)
{
declaringEntityType = entityType.FindTypeInInheritance(context.Model, declared) as IEdmEntityType;
if (declaringEntityType == null)
{
return(false);
}
}
IEdmProperty edmProperty = declaringEntityType.FindProperty(property);
if (edmProperty == null || edmProperty.PropertyKind != EdmPropertyKind.Structural)
{
return(false);
}
if (!CanApply(edmProperty, method))
{
return(false);
}
IEdmComplexType castType = null;
if (cast != null)
{
IEdmType propertyElementType = edmProperty.Type.Definition.AsElementType();
if (propertyElementType.TypeKind == EdmTypeKind.Complex)
{
IEdmComplexType complexType = (IEdmComplexType)propertyElementType;
castType = complexType.FindTypeInInheritance(context.Model, cast) as IEdmComplexType;
if (castType == null)
{
return(false);
}
}
else
{
// only support complex type cast, (TODO: maybe consider to support Edm.PrimitiveType cast)
return(false);
}
}
// only process structural property
IEdmStructuredType castComplexType = null;
if (cast != null)
{
IEdmTypeReference propertyType = edmProperty.Type;
if (propertyType.IsCollection())
{
propertyType = propertyType.AsCollection().ElementType();
}
if (!propertyType.IsComplex())
{
return(false);
}
castComplexType = propertyType.ToStructuredType().FindTypeInInheritance(context.Model, cast);
if (castComplexType == null)
{
return(false);
}
}
AddSelector(method, context, action, navigationSource, (IEdmStructuralProperty)edmProperty, castComplexType, declaringEntityType, false, false);
if (CanApplyDollarCount(edmProperty, method))
{
AddSelector(method, context, action, navigationSource, (IEdmStructuralProperty)edmProperty, castComplexType, declaringEntityType, false, true);
}
if (CanApplyDollarValue(edmProperty, method))
{
AddSelector(method, context, action, navigationSource, (IEdmStructuralProperty)edmProperty, castComplexType, declaringEntityType, true, false);
}
return(true);
}
/// <inheritdoc />
public virtual bool AppliesToAction(ODataControllerActionContext context)
{
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
IEdmNavigationSource navigationSource = context.NavigationSource;
if (navigationSource == null)
{
return(false);
}
ActionModel action = context.Action;
string actionName = action.ActionName;
string method = SplitActionName(actionName, out string property, out string cast, out string declared);
if (method == null || string.IsNullOrEmpty(property))
{
return(false);
}
// filter by action parameter
IEdmEntityType entityType = navigationSource.EntityType();
bool hasKeyParameter = action.HasODataKeyParameter(entityType, context.Options?.RouteOptions?.EnablePropertyNameCaseInsensitive ?? false);
if (!(context.Singleton != null ^ hasKeyParameter))
{
// Singleton, doesn't allow to query property with key
// entityset, doesn't allow for non-key to query property
return(false);
}
// Find the declaring type of the property if we have the declaring type name in the action name.
// otherwise, it means the property is defined on the entity type of the navigation source.
IEdmEntityType declaringEntityType = entityType;
if (declared != null)
{
if (declared.Length == 0)
{
// Early return for the following cases:
// - Get|PostTo|PutTo|PatchTo|DeleteTo{PropertyName}From
// - Get|PostTo|PutTo|PatchTo|DeleteTo{PropertyName}Of{Cast}From
return(false);
}
declaringEntityType = entityType.FindTypeInInheritance(context.Model, declared) as IEdmEntityType;
if (declaringEntityType == null)
{
return(false);
}
}
bool enablePropertyNameCaseInsensitive = context?.Options?.RouteOptions.EnablePropertyNameCaseInsensitive ?? false;
IEdmProperty edmProperty = declaringEntityType.FindProperty(property, enablePropertyNameCaseInsensitive);
if (edmProperty == null || edmProperty.PropertyKind != EdmPropertyKind.Structural)
{
return(false);
}
if (!CanApply(edmProperty, method))
{
return(false);
}
IEdmComplexType castType;
// Only process structural property
IEdmStructuredType castComplexType = null;
if (cast != null)
{
if (cast.Length == 0)
{
// Avoid unnecessary call to FindTypeInheritance
// Cases handled: Get|PostTo|PutTo|PatchTo|DeleteTo{PropertyName}Of
return(false);
}
IEdmType propertyElementType = edmProperty.Type.Definition.AsElementType();
if (propertyElementType.TypeKind == EdmTypeKind.Complex)
{
IEdmComplexType complexType = (IEdmComplexType)propertyElementType;
castType = complexType.FindTypeInInheritance(context.Model, cast) as IEdmComplexType;
if (castType == null)
{
return(false);
}
}
else
{
// only support complex type cast, (TODO: maybe consider to support Edm.PrimitiveType cast)
return(false);
}
IEdmTypeReference propertyType = edmProperty.Type;
if (propertyType.IsCollection())
{
propertyType = propertyType.AsCollection().ElementType();
}
if (!propertyType.IsComplex())
{
return(false);
}
castComplexType = propertyType.ToStructuredType().FindTypeInInheritance(context.Model, cast);
if (castComplexType == null)
{
return(false);
}
}
AddSelector(method, context, action, navigationSource, (IEdmStructuralProperty)edmProperty, castComplexType, declaringEntityType, false, false);
if (CanApplyDollarCount(edmProperty, method))
{
AddSelector(method, context, action, navigationSource, (IEdmStructuralProperty)edmProperty, castComplexType, declaringEntityType, false, true);
}
if (CanApplyDollarValue(edmProperty, method))
{
AddSelector(method, context, action, navigationSource, (IEdmStructuralProperty)edmProperty, castComplexType, declaringEntityType, true, false);
}
return(true);
}