private void ProcessHttpRule <TRequest, TResponse>(Method <TRequest, TResponse> method, MethodDescriptor methodDescriptor, HttpRule httpRule)
where TRequest : class
where TResponse : class
{
if (ServiceDescriptorHelpers.TryResolvePattern(httpRule, out var pattern, out var httpVerb))
{
AddMethodCore(method, httpRule, pattern, httpVerb, httpRule.Body, httpRule.ResponseBody, methodDescriptor);
}
foreach (var additionalRule in httpRule.AdditionalBindings)
{
ProcessHttpRule(method, methodDescriptor, additionalRule);
}
}
private ApiDescriptionGroupCollection GetCollection()
{
var descriptions = new List <ApiDescription>();
var endpoints = _endpointDataSource.Endpoints;
foreach (var endpoint in endpoints)
{
if (endpoint is RouteEndpoint routeEndpoint)
{
var grpcMetadata = endpoint.Metadata.GetMetadata <GrpcHttpMetadata>();
if (grpcMetadata != null)
{
var httpRule = grpcMetadata.HttpRule;
var methodDescriptor = grpcMetadata.MethodDescriptor;
if (ServiceDescriptorHelpers.TryResolvePattern(grpcMetadata.HttpRule, out var pattern, out var verb))
{
var apiDescription = new ApiDescription();
apiDescription.HttpMethod = verb;
apiDescription.ActionDescriptor = new ActionDescriptor
{
RouteValues = new Dictionary <string, string>
{
// Swagger uses this to group endpoints together.
// Group methods together using the service name.
["controller"] = methodDescriptor.Service.FullName
}
};
apiDescription.RelativePath = pattern.TrimStart('/');
apiDescription.SupportedRequestFormats.Add(new ApiRequestFormat {
MediaType = "application/json"
});
apiDescription.SupportedResponseTypes.Add(new ApiResponseType
{
ApiResponseFormats = { new ApiResponseFormat {
MediaType = "application/json"
} },
ModelMetadata = new GrpcModelMetadata(ModelMetadataIdentity.ForType(methodDescriptor.OutputType.ClrType)),
StatusCode = 200
});
var routeParameters = ServiceDescriptorHelpers.ResolveRouteParameterDescriptors(routeEndpoint.RoutePattern, methodDescriptor.InputType);
foreach (var routeParameter in routeParameters)
{
var field = routeParameter.Value.Last();
apiDescription.ParameterDescriptions.Add(new ApiParameterDescription
{
Name = routeParameter.Key,
ModelMetadata = new GrpcModelMetadata(ModelMetadataIdentity.ForType(MessageDescriptorHelpers.ResolveFieldType(field))),
Source = BindingSource.Path,
DefaultValue = string.Empty
});
}
ServiceDescriptorHelpers.ResolveBodyDescriptor(httpRule.Body, methodDescriptor, out var bodyDescriptor, out _, out _);
if (bodyDescriptor != null)
{
apiDescription.ParameterDescriptions.Add(new ApiParameterDescription
{
Name = "Input",
ModelMetadata = new GrpcModelMetadata(ModelMetadataIdentity.ForType(bodyDescriptor.ClrType)),
Source = BindingSource.Body
});
}
descriptions.Add(apiDescription);
}
}
}
}
var groups = new List <ApiDescriptionGroup>();
groups.Add(new ApiDescriptionGroup("Grpc", descriptions));
return(new ApiDescriptionGroupCollection(groups, 1));
}