public static HttpApiAttribute Build(AttributeData att)
{
if (att.ConstructorArguments.Length != 2)
{
throw new NotSupportedException($"{TypeFullNames.HttpApiAttribute} must have constructor with 2 arguments.");
}
var method = (LambdaHttpMethod)att.ConstructorArguments[0].Value;
var template = att.ConstructorArguments[1].Value as string;
var version = att.NamedArguments.FirstOrDefault(arg => arg.Key == "Version").Value.Value;
var data = new HttpApiAttribute(method, template)
{
Version = version == null ? HttpApiVersion.V2 : (HttpApiVersion)version
};
return(data);
}
private static ApiEndpoint CreateApiEndpoint(MethodInfo methodInfo, HttpApiAttribute httpApiAttribute)
{
// TODO: Build argument list
return(new ApiEndpoint(
httpApiAttribute.HttpApiMethod,
httpApiAttribute.Path,
async(context, token, api) =>
{
var parameters = BuildParameters(methodInfo, context, token).ToArray();
dynamic task = methodInfo.Invoke(api, parameters);
try
{
return await task.ConfigureAwait(false);
}
catch (RuntimeBinderException e) when(e.Message.Contains("'void'"))
{
// TODO: Fix this as its ugly as hell!
return null as dynamic;
}
}));
}
private string ProcessHttpApiAttribute(ILambdaFunctionSerializable lambdaFunction, HttpApiAttribute httpApiAttribute)
{
var eventPath = $"Resources.{lambdaFunction.Name}.Properties.Events";
var methodName = httpApiAttribute.Method.ToString();
var methodPath = $"{eventPath}.Root{methodName}";
var version = httpApiAttribute.Version == HttpApiVersion.V1 ? "1.0" : "2.0";
_jsonWriter.SetToken($"{methodPath}.Type", "HttpApi");
_jsonWriter.SetToken($"{methodPath}.Properties.Path", httpApiAttribute.Template);
_jsonWriter.SetToken($"{methodPath}.Properties.Method", methodName.ToUpper());
_jsonWriter.SetToken($"{methodPath}.Properties.PayloadFormatVersion", version);
return($"Root{methodName}");
}
/// <summary>
/// Returns aa <see cref="HashSet{T}"/> of string containing template parameter
/// parsed from the <see cref="HttpApiAttribute.Template"/>.
/// </summary>
/// <param name="attribute">this <see cref="HttpApiAttribute"/> object.</param>
public static HashSet <string> GetTemplateParameters(this HttpApiAttribute attribute)
{
var template = attribute.Template;
return(GetTemplateParameters(template));
}
