private Task <HttpResponseMessage> SendLambdaAsync(Lambda lambda, IAPIClientInterceptor interceptor)
{
if (lambda == null)
{
throw new ArgumentNullException(nameof(lambda));
}
if (interceptor == null)
{
throw new ArgumentNullException(nameof(interceptor));
}
var methodInfo = lambda.MethodInfo;
var parameters = lambda.CreateParameters(APIClientParameterInfo.Make);
if (!(Attribute.GetCustomAttribute(methodInfo, typeof(APIClientAttribute)) is APIClientAttribute methodAttribute))
{
throw new NotSupportedException($"APICall attribute is missing from Method signature");
}
var url = methodAttribute.URL;
var method = new HttpMethod(methodAttribute.Method);
var builder = new StringBuilder(url);
BindParameters(parameters, url, builder);
BindQuery(parameters, url, builder);
var request = new HttpRequestMessage()
{
RequestUri = new Uri(builder.ToString(), default(UriKind)),
Method = method,
};
var body = parameters.SingleOrDefault(x => x.IsHandled);
interceptor.Prepare(request, Environment, body);
return(SendAsync(request));
}
public async Task <TResult> SendAsync <TResult>(Expression <Func <T, TResult> > func, IAPIClientInterceptor interceptor = null)
{
if (func == null)
{
throw new ArgumentNullException(nameof(func));
}
if (interceptor == null)
{
interceptor = Interceptor;
}
var lambda = Lambda.Compose(func);
var msg = await SendLambdaAsync(lambda, interceptor);
msg.EnsureSuccessStatusCode();
if (msg as object is TResult result)
{
return(result);
}
return(await msg.ToObjectAsync <TResult>(Environment.MediaTypeFormatters));
}
