foldSpan

Author: jmthibault79

http/src/main/scala/org/broadinstitute/dsde/workbench/leonardo/http/api/AppRoutes.scala

@@ -185,9 +185,15 @@ class AppRoutes(kubernetesService: AppService[IO], userInfoDirectives: UserInfoD
     for {
       ctx <- ev.ask[AppContext]
       apiCall = kubernetesService.updateApp(userInfo, CloudContext.Gcp(googleProject), appName, req)
-      _ <- ctx.span.fold(apiCall)(span => spanResource[IO](span, "updateApp").use(_ => apiCall))
+      _ <- foldSpan(ctx, apiCall, "updateApp")
     } yield StatusCodes.Accepted
 
+  // TODO: this exact pattern is repeated over 20x, and I have no idea what it does.  My intuition is that it's not
+  // necessary for a developer of a new endpoint to have a deep understanding of this code, so I want to abstract this
+  // implementation detail away for better ergonomics/approachability.  Thoughts?
+  private def foldSpan(ctx: AppContext, apiCall: IO[Unit], apiName: String): IO[Unit] =
+    ctx.span.fold(apiCall)(span => spanResource[IO](span, apiName).use(_ => apiCall))
+
   private[api] def deleteAppHandler(userInfo: UserInfo,
                                     googleProject: GoogleProject,
                                     appName: AppName,