/// <inheritdoc/>
public override ActionDescriptor SelectAction(RouteContext routeContext, IEnumerable <ControllerActionDescriptor> actionDescriptors)
{
if (routeContext == null)
{
throw Error.ArgumentNull("routeContext");
}
ODataPath odataPath = routeContext.HttpContext.Request.ODataFeature().Path;
HttpRequest request = routeContext.HttpContext.Request;
string httpMethod = request.Method.ToUpperInvariant();
if (httpMethod == ODataRouteConstants.HttpGet)
{
ActionDescriptor actionDescriptor = null;
OperationSegment function = null;
switch (odataPath.PathTemplate)
{
case "~/entityset/key/cast/function":
case "~/entityset/key/function":
function = odataPath.Segments.Last() as OperationSegment;
actionDescriptor = GetFunction(function).SelectAction(actionDescriptors, isCollection: false);
if (actionDescriptor != null)
{
routeContext.AddKeyValueToRouteData((KeySegment)odataPath.Segments[1], actionDescriptor);
}
break;
case "~/entityset/key/cast/function/$count":
case "~/entityset/key/function/$count":
function = odataPath.Segments[odataPath.Segments.Count - 2] as OperationSegment;
actionDescriptor = GetFunction(function).SelectAction(actionDescriptors, isCollection: false);
if (actionDescriptor != null)
{
routeContext.AddKeyValueToRouteData((KeySegment)odataPath.Segments[1], actionDescriptor);
}
break;
case "~/entityset/cast/function":
case "~/entityset/function":
function = odataPath.Segments.Last() as OperationSegment;
actionDescriptor = GetFunction(function).SelectAction(actionDescriptors, isCollection: true);
break;
case "~/entityset/cast/function/$count":
case "~/entityset/function/$count":
function = odataPath.Segments[odataPath.Segments.Count - 2] as OperationSegment;
actionDescriptor = GetFunction(function).SelectAction(actionDescriptors, isCollection: true);
break;
case "~/singleton/function":
case "~/singleton/cast/function":
function = odataPath.Segments.Last() as OperationSegment;
actionDescriptor = GetFunction(function).SelectAction(actionDescriptors, isCollection: false);
break;
case "~/singleton/function/$count":
case "~/singleton/cast/function/$count":
function = odataPath.Segments[odataPath.Segments.Count - 2] as OperationSegment;
actionDescriptor = GetFunction(function).SelectAction(actionDescriptors, isCollection: false);
break;
}
if (actionDescriptor != null)
{
routeContext.AddFunctionParameterToRouteData(function);
return(actionDescriptor);
}
}
return(null);
}
