Fix small navigation bar bug

client/src/components/MainNavigationBar.vue

@@ -105,6 +105,7 @@ const profileDropdownData: DropdownListItem[] = [
   <div>
     <Teleport to="body">
       <MobileMenu
+        v-if="userStore.loggedIn"
         :show="state.showMenu"
         :course-session="courseSessionsStore.courseSessionForRoute"
         @closemodal="state.showMenu = false"

client/src/components/MobileMenu.vue

@@ -53,7 +53,7 @@ const clickLink = (to: string | undefined) => {
         </div>
         <div>
           <div v-if="courseSession" class="mt-6 pb-6 border-b">
-            <h4 class="text-gray-900 text-sm">{{ courseSession.course.title }}</h4>
+            <h4 class="text-gray-900 text-sm">{{ courseSession?.course.title }}</h4>
             <ul class="mt-6">
               <li>
                 <button @click="clickLink(courseSession?.learning_path_url)">

client/src/stores/courseSessions.ts

@@ -28,7 +28,9 @@ function loadCourseSessionsData(reload = false) {
     courseSessions.value = await itGetCached(`/api/course/sessions/`, {
       reload: reload,
     });
-    if (!courseSessions.value) {
+
+    const userStore = useUserStore();
+    if (!courseSessions.value && userStore.loggedIn) {
       throw `No courseSessionData found for user`;
     }
   }

server/vbv_lernwelt/course/signals.py

@@ -6,11 +6,21 @@ from wagtail.models import Page
 logger = structlog.get_logger(__name__)
 
 
+def get_all_subclasses(cls):
+    all_subclasses = []
+
+    for subclass in cls.__subclasses__():
+        all_subclasses.append(subclass)
+        all_subclasses.extend(get_all_subclasses(subclass))
+
+    return all_subclasses
+
+
 def invalidate_api_page_cache(sender, **kwargs):
     logger.debug("invalidate api_page_cache", label="api_page_cache")
     caches["api_page_cache"].clear()
 
 
-for subclass in Page.__subclasses__():
+for subclass in get_all_subclasses(Page):
     post_save.connect(invalidate_api_page_cache, subclass)
     post_delete.connect(invalidate_api_page_cache, subclass)