Small improvements

- Improve formatting
- Fix some typos
- Mini code improvements

src/main/kotlin/org/mosad/thecitadelofricks/controller/CacheController.kt

@@ -68,7 +68,7 @@ class CacheController {
                 val currentTime = System.currentTimeMillis() / 1000
                 val timetableLink = "https://mosad.xyz"
                 val weekNumberYear = 0
-                val instr = javaClass.getResourceAsStream("/html/Timetable_normal-week.html")
+                val instr = CacheController::class.java.getResourceAsStream("/html/Timetable_normal-week.html")
 
                 val timetableParser =
                     TimetableParser(htmlDoc = Jsoup.parse(instr, "UTF-8", "https://www.hs-offenburg.de/"))
@@ -151,7 +151,7 @@ class CacheController {
 
         /**
          * this function updates the courseList
-         * during the update process the old data will be returned for a API request
+         * during the update process the old data will be returned for an API request
          */
         private fun asyncUpdateCourseList() = GlobalScope.launch {
             CourseListParser().getCourseLinks(StartupController.courseListURL)?.let {
@@ -167,7 +167,7 @@ class CacheController {
 
         /**
          * this function updates the mensa menu list
-         * during the update process the old data will be returned for a API request
+         * during the update process the old data will be returned for an API request
          */
         private fun asyncUpdateMensa() = GlobalScope.launch {
             val mensaCurrentWeek = MensaParser().getMensaMenu(StartupController.mensaMenuURL)
@@ -183,7 +183,7 @@ class CacheController {
 
         /**
          * this function updates all existing timetables
-         * during the update process the old data will be returned for a API request
+         * during the update process the old data will be returned for an API request
          * a FixedThreadPool is used to make parallel requests for faster updates
          */
         private fun asyncUpdateTimetables() = GlobalScope.launch {

src/main/kotlin/org/mosad/thecitadelofricks/controller/StartupController.kt

@@ -135,7 +135,8 @@ class StartupController {
                 try {
                     val timetableObject = JsonParser.parseString(bufferedReader.readLine()).asJsonObject
                     val timetable = Gson().fromJson(timetableObject, TimetableCourseWeek().javaClass)
-                    CacheController.timetableList.put("${timetable.meta.courseName}-${timetable.meta.weekIndex}", timetable)
+                    CacheController.timetableList["${timetable.meta.courseName}-${timetable.meta.weekIndex}"] =
+                        timetable
                 } catch (ex: Exception) {
                     logger.error("error while reading cache", ex)
                 } finally {

src/main/kotlin/org/mosad/thecitadelofricks/controller/StatusController.kt

@@ -62,7 +62,7 @@ class StatusController {
         }
 
         fun updateTimetableRequests(courseName: String) {
-            timetableRequests[courseName] = timetableRequests.getOrPut(courseName) {0} + 1
+            timetableRequests[courseName] = (timetableRequests[courseName] ?: 0) + 1
             totalRequests++
         }
 

src/main/kotlin/org/mosad/thecitadelofricks/hsoparser/TimetableParser.kt

@@ -115,8 +115,7 @@ class TimetableParser(timetableURL: String? = null, htmlDoc: Document? = null) {
 
                 lessonIndexDay++
 
-                if (element.hasClass("lastcol"))
+                if (element.hasClass("lastcol")) {
-                {
                     day++
                     lessonIndexDay = 0
                 }