refactor: change MutateParentId signature

Author: josep-bocanegra

samples/ApiGatewayHttpApiV2Tracing/Voxel.MiddyNet.HttpApiV2TracingSample/ApiGatewayHttpApiV2Tracing.cs

@@ -21,14 +21,12 @@ protected override Task<APIGatewayHttpApiV2ProxyResponse> Handle(APIGatewayHttpA
 
             //If you need to call another system, you need to obtain a traceparent based on the original traceparent
             //received but with the ParentId changed
-            var currentTraceparent = context.AdditionalContext["traceparent"].ToString();
-            var currentTracestate = context.AdditionalContext["tracestate"].ToString();
-            var newTraceContext = TraceContext.MutateParentId(currentTraceparent, currentTracestate);
-
+            var currentTraceContext = (TraceContext)context.AdditionalContext["TraceContext"];
+            var newTraceContext = TraceContext.MutateParentId(currentTraceContext);
 
             //Now you can use this newTraceContext in your calls 
-            var traceparentForTheCallToAnotherSystem = newTraceContext.TraceParent;
-            var tracestateForTheCallToAnotherSystem = newTraceContext.TraceState;
+            var traceparentForCallingAnotherSystem = newTraceContext.TraceParent;
+            var tracestateForCallingAnotherSystem = newTraceContext.TraceState;
 
             return Task.FromResult(new APIGatewayHttpApiV2ProxyResponse
             {

samples/ApiGatewayTracing/Voxel.MiddyNet.ApiGatewayTracingSample/ApiGatewayTracing.cs

@@ -21,13 +21,12 @@ protected override Task<APIGatewayProxyResponse> Handle(APIGatewayProxyRequest p
 
             //If you need to call another system, you need to obtain a traceparent based on the original traceparent
             //received but with the ParentId changed
-            var currentTraceparent = context.AdditionalContext["traceparent"].ToString();
-            var currentTracestate = context.AdditionalContext["tracestate"].ToString();
-            var newTraceContext = TraceContext.MutateParentId(currentTraceparent, currentTracestate);
+            var currentTraceContext = (TraceContext)context.AdditionalContext["TraceContext"];
+            var newTraceContext = TraceContext.MutateParentId(currentTraceContext);
 
             //Now you can use this newTraceContext in your calls 
-            var traceparentForTheCallToAnotherSystem = newTraceContext.TraceParent;
-            var tracestateForTheCallToAnotherSystem = newTraceContext.TraceState;
+            var traceparentForCallingAnotherSystem = newTraceContext.TraceParent;
+            var tracestateForCallingAnotherSystem = newTraceContext.TraceState;
 
             return Task.FromResult(new APIGatewayProxyResponse
             {

src/Voxel.MiddyNet.Tracing.Core/TraceContext.cs

@@ -93,9 +93,8 @@ private static string RandomString(int length)
                 .Select(s => s[random.Next(s.Length)]).ToArray());
         }
 
-        public static TraceContext MutateParentId(string traceparent, string tracestate)
+        public static TraceContext MutateParentId(TraceContext traceContext)
         {
-            var traceContext = Handle(traceparent, tracestate);
             return new TraceContext(traceContext.version, traceContext.TraceId, RandomString(16), traceContext.traceFlags, traceContext.TraceState);
         }
     }

test/Voxel.MiddyNet.Tracing.Core.Tests/TraceContextShould.cs

@@ -75,7 +75,7 @@ public void ObtainANewTraceContextWithTheParentIdChanged()
         {
             var traceContext = TraceContext.Handle("00-12345678901234567890123456789012-1234567890123456-00", "a trace state");
 
-            var newTraceContext = TraceContext.MutateParentId(traceContext.TraceParent, traceContext.TraceState);
+            var newTraceContext = TraceContext.MutateParentId(traceContext);
 
             var splitTraceContext = newTraceContext.TraceParent.Split('-');
             splitTraceContext[0].Should().Be("00");