fix(output-formatter): do not serialize non-JsonAPI objects as JSONAPI

Author: jaredcnance

src/JsonApiDotNetCore/Formatters/JsonApiOutputFormatter.cs

@@ -42,17 +42,18 @@ public async Task WriteAsync(OutputFormatterWriteContext context)
                 string responseContent;
                 try
                 {
-                    if(context.Object.GetType() == typeof(Error))
+                    if(context.Object.GetType() == typeof(Error) || jsonApiContext.RequestEntity == null)
                     {
-                        logger?.LogInformation("Response was type <Error>. Serializing as plain JSON.");
+                        logger?.LogInformation("Response was not a JSONAPI entity. Serializing as plain JSON.");
+                        
                         responseContent = JsonConvert.SerializeObject(context.Object);
                     }
                     else
                         responseContent = JsonApiSerializer.Serialize(context.Object, jsonApiContext);
                 }
                 catch(Exception e)
                 {
-                    logger?.LogError("An error ocurred while formatting the response.", e);
+                    logger?.LogError(new EventId(), e, "An error ocurred while formatting the response");
                     responseContent = new Error("400", e.Message).GetJson();
                     response.StatusCode = 400;
                 }

src/JsonApiDotNetCore/project.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.2.5",
+  "version": "0.2.6",
 
   "dependencies": {
     "Microsoft.NETCore.App": {