added more metrics to the status request

src/main/kotlin/org/mosad/thecitadelofricks/APIController.kt

@@ -24,6 +24,7 @@ package org.mosad.thecitadelofricks
 
 import org.mosad.thecitadelofricks.CacheController.Companion.courseList
 import org.mosad.thecitadelofricks.CacheController.Companion.mensaMenu
+import org.mosad.thecitadelofricks.CacheController.Companion.timetableList
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 import org.springframework.web.bind.annotation.RequestMapping
@@ -33,6 +34,7 @@ import java.net.HttpURLConnection
 import java.net.URL
 import java.time.LocalDateTime
 import java.util.*
+import java.util.stream.Collectors
 import kotlin.collections.ArrayList
 import kotlin.collections.HashSet
 
@@ -42,8 +44,8 @@ class APIController {
     private val logger: Logger = LoggerFactory.getLogger(APIController::class.java)
     private val cache = CacheController()
 
-    private val softwareVersion = "1.1.3"
     private val apiVersion = "1.1.1"
+    private val softwareVersion = "1.1.3"
     private val startTime = System.currentTimeMillis() / 1000
 
     private var requestCount = 0
@@ -141,6 +143,10 @@ class APIController {
         val minutes = (currentTime - startTime) % 3600 / 60
         val hours = (currentTime - startTime) % 86400 / 3600
         val days = (currentTime - startTime) / 86400
+
+        val timetableListSize = timetableList.size
+        val timetableListNames = timetableList.stream().map { x -> x.meta.courseName }.collect(Collectors.toList())
+
         var hsoCode = 999
         var swfrCode = 999
         logger.info("status request at ${LocalDateTime.now()}!")
@@ -168,6 +174,8 @@ class APIController {
             apiVersion,
             softwareVersion,
             requestCount,
+            timetableListSize,
+            HashSet(timetableListNames).toString(),
             Date(courseList.meta.updateTime * 1000),
             Date(mensaMenu.meta.updateTime * 1000),
             hsoCode,