private IEnumerable <ResponseParameterMetadata> GetResponseParameters(Type targetType, MetadataValueProvider provider)
{
targetType.AssertNotNull(nameof(targetType));
provider.AssertNotNull(nameof(provider));
if (TypeDescriptor.GetProperties(targetType).OfType <PropertyDescriptor>().SelectMany(x => x.Attributes.OfType <IParameterDefinition>()).Any())
{
foreach (var property in TypeDescriptor.GetProperties(targetType).OfType <PropertyDescriptor>())
{
var paramDef = property.Attributes.OfType <IParameterDefinition>().FirstOrDefault();
if (paramDef == null)
{
continue;
}
var propertyValues = provider.Nested(property.Attributes);
var propertyMetadata = GetResponseParameter(property.PropertyType, paramDef.ParameterKind, propertyValues.Nested(TypeDescriptor.GetAttributes(targetType)));
propertyMetadata.ModelPropertyName = property.Name;
propertyMetadata.TypeConverter = property.Converter;
yield return(propertyMetadata);
}
}
else
{
var bodyParam = GetResponseParameter(targetType, RequestParameterKind.Body, provider);
yield return(bodyParam);
}
}
private MethodMetadata GetMethodMetadata(MethodInfo method, MetadataValueProvider provider, IEnumerable <IRestValueFormatter> valueFormatters)
{
method.AssertNotNull(nameof(method));
provider.AssertNotNull(nameof(provider));
var values = provider.Nested(method.GetCustomAttributes());
if (!values.TryGetRequestMethod(out var requestMethod))
{
throw new Exception("method not setted");//TODO msg
}
var parameters = method.GetParameters().Where(x => !IsCancellationToken(x));
var namePrefix = values.GetParameterPrefix();
var methodValueFormatters = valueFormatters.Union(method.GetCustomAttributes <Attribute>().OfType <IRestValueFormatter>()).ToArray();
return(new MethodMetadata(method)
{
Request = new RequestMetadata(requestMethod)
{
Route = values.GetRequestRoutePrefix() + values.GetRequestRoute(),
Timeout = values.GetRequestTimeout(),
ContentKind = values.GetRequestContentKind(),
Parameters = parameters.SelectMany(x => GetRequestParameters(x.Name, namePrefix, x.ParameterType, x.Name, methodValueFormatters, values.Nested(x.GetCustomAttributes()))).ToArray()
},
Response = new ResponseMetadata
{
Parameters = GetResponseParameters(method.ReturnParameter, values).ToArray(),
IsAsync = typeof(Task).IsAssignableFrom(method.ReturnType),
ResultType = GetResultType(method.ReturnType)
}
});
}
public EndpointMetadata GetEndpointMetadata(Type contractType, MetadataValueProvider provider)
{
contractType.AssertNotNull(nameof(contractType));
provider.AssertNotNull(nameof(provider));
var values = provider.Nested(TypeDescriptor.GetAttributes(contractType));
var methods = contractType.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy);
var valueFormatters = contractType.GetCustomAttributes <Attribute>().OfType <IRestValueFormatter>().ToArray();
return(new EndpointMetadata
{
Methods = methods.Select(x => GetMethodMetadata(x, values, valueFormatters)).ToArray()
});
}