public PayloadSchema Transform(string payload, string resourceId, Route route, HttpRequest request, RouteData data)
{
var payloadKey = GetPayloadKey(route);
var command = _payloads.ContainsKey(payloadKey)
? GetObjectFromPayload(route, payload)
: GetObject(payload);
var commandValues = (IDictionary <string, object>)command;
if (!string.IsNullOrWhiteSpace(resourceId))
{
var resourceIdProperty = string.IsNullOrWhiteSpace(route.ResourceId?.Property)
? _options.ResourceId.Property
: route.ResourceId?.Property;
if (string.IsNullOrWhiteSpace(resourceIdProperty))
{
resourceIdProperty = ResourceIdProperty;
}
commandValues[resourceIdProperty] = resourceId;
}
foreach (var setter in route.Bind ?? Enumerable.Empty <string>())
{
var keyAndValue = setter.Split(':');
var key = keyAndValue[0];
var value = keyAndValue[1];
commandValues[key] = _valueProvider.Get(value, request, data);
var routeValue = value.Length > 2 ? value.Substring(1, value.Length - 2) : string.Empty;
if (data.Values.TryGetValue(routeValue, out var dataValue))
{
commandValues[key] = dataValue;
}
}
foreach (var transformation in route.Transform ?? Enumerable.Empty <string>())
{
var beforeAndAfter = transformation.Split(':');
var before = beforeAndAfter[0];
var after = beforeAndAfter[1];
if (!commandValues.TryGetValue(before, out var value))
{
continue;
}
commandValues.Remove(before);
commandValues.Add(after, value);
}
_payloads.TryGetValue(payloadKey, out var payloadSchema);
return(new PayloadSchema(command as ExpandoObject, payloadSchema?.Schema));
}
public bool HasTransformations(string resourceId, Route route)
{
if (!string.IsNullOrWhiteSpace(resourceId))
{
return(true);
}
if (route.Bind.IsNotEmpty())
{
return(true);
}
return(route.Transform.IsNotEmpty() || _payloads.ContainsKey(GetPayloadKey(route)));
}
private object GetObjectFromPayload(Route route, string content)
{
var payloadValue = _payloads[GetPayloadKey(route)].Payload;
var request = JsonConvert.DeserializeObject(content, payloadValue.GetType());
var payloadValues = (IDictionary <string, object>)payloadValue;
var requestValues = (IDictionary <string, object>)request;
foreach (var key in requestValues.Keys)
{
if (!payloadValues.ContainsKey(key))
{
requestValues.Remove(key);
}
}
return(request);
}
public string GetInfo(Route route)
=> $"call the downstream: [{route.DownstreamMethod.ToUpperInvariant()}] '{route.Downstream}'";
public string GetInfo(Route route) => $"return a value: '{route.ReturnValue}'";
private string GetPayloadKey(Route route) => _payloadManager.GetKey(route.Method, route.Upstream);
public string GetInfo(Route route) => $"call the downstream: '{route.Downstream}'";
public string GetInfo(Route route) => $"send a message to the exchange: '{route.Config["routing_key"]}'";
