From 37fe77d5e10d6ee5a9d0aa70d1610bcaf39da571 Mon Sep 17 00:00:00 2001
From: Geoffrey Challen <challen@illinois.edu>
Date: Wed, 16 Nov 2022 10:31:35 -0600
Subject: [PATCH] Add call logging.

---
 server/src/main/kotlin/Main.kt | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/server/src/main/kotlin/Main.kt b/server/src/main/kotlin/Main.kt
index 0e6710f..c69bff2 100644
--- a/server/src/main/kotlin/Main.kt
+++ b/server/src/main/kotlin/Main.kt
@@ -221,14 +221,18 @@ val CALL_START_TIME = AttributeKey<Instant>("CallStartTime")
 @Suppress("LongMethod")
 fun Application.questioner() {
     intercept(ApplicationCallPipeline.Setup) {
-        println(Instant.now())
-        // intercept before calling routing and mark every incoming call with a TimeMark
         call.attributes.put(CALL_START_TIME, Instant.now())
     }
     install(CallLogging) {
         format { call ->
-            val startTime = call.attributes.getOrNull(CALL_START_TIME)!!
-            "${call.response.status()}: ${call.request.toLogString()} ${Instant.now().toEpochMilli() - startTime.toEpochMilli()}"
+            val startTime = call.attributes.getOrNull(CALL_START_TIME)
+            "${call.response.status()}: ${call.request.toLogString()} ${
+            if (startTime != null) {
+                Instant.now().toEpochMilli() - startTime.toEpochMilli()
+            } else {
+                ""
+            }
+            }"
         }
     }
     install(ContentNegotiation) {