Add view for course session members

server/config/urls.py

@@ -7,6 +7,9 @@ from django.urls import include, path, re_path
 from django.views import defaults as default_views
 from grapple import urls as grapple_urls
 from ratelimit.exceptions import Ratelimited
+from wagtail import urls as wagtail_urls
+from wagtail.admin import urls as wagtailadmin_urls
+from wagtail.documents import urls as wagtaildocs_urls
 
 from vbv_lernwelt.core.middleware.auth import django_view_authentication_exempt
 from vbv_lernwelt.core.views import (
@@ -25,10 +28,8 @@ from vbv_lernwelt.course.views import (
     get_course_sessions,
     mark_course_completion,
     request_course_completion,
+    get_course_session_users,
 )
-from wagtail import urls as wagtail_urls
-from wagtail.admin import urls as wagtailadmin_urls
-from wagtail.documents import urls as wagtaildocs_urls
 
 
 def raise_example_error(request):
@@ -62,6 +63,8 @@ urlpatterns = [
 
     # course
     path(r"api/course/sessions/", get_course_sessions, name="get_course_sessions"),
+    path(r"api/course/sessions/<course_slug>/users/", get_course_session_users,
+         name="get_course_session_users"),
     path(r"api/course/page/<slug>/", course_page_api_view,
          name="course_page_api_view"),
     path(r"api/course/completion/mark/", mark_course_completion,

server/vbv_lernwelt/course/serializers.py

@@ -13,7 +13,7 @@ from vbv_lernwelt.learnpath.models import Circle
 class CourseSerializer(serializers.ModelSerializer):
     class Meta:
         model = Course
-        fields = ["id", "title", "category_name"]
+        fields = ["id", "title", "category_name", "slug"]
 
 
 class CourseCategorySerializer(serializers.ModelSerializer):

server/vbv_lernwelt/course/views.py

@@ -5,7 +5,7 @@ from rest_framework.response import Response
 from wagtail.models import Page
 
 from vbv_lernwelt.core.utils import api_page_cache_get_or_set
-from vbv_lernwelt.course.models import CourseCompletion
+from vbv_lernwelt.course.models import CourseCompletion, CourseSessionUser
 from vbv_lernwelt.course.permissions import (
     course_sessions_for_user_qs,
     has_course_access_by_page_request,
@@ -115,3 +115,30 @@ def get_course_sessions(request):
     except Exception as e:
         logger.error(e)
         return Response({"error": str(e)}, status=404)
+
+
+@api_view(["GET"])
+def get_course_session_users(request, course_slug):
+    try:
+        course_sessions = course_sessions_for_user_qs(request.user).filter(
+            course__slug=course_slug
+        )
+        qs = CourseSessionUser.objects.filter(course_session__in=course_sessions)
+        data = [
+            {
+                "session_title": csu.course_session.title,
+                "user_id": csu.user.id,
+                "first_name": csu.user.first_name,
+                "last_name": csu.user.last_name,
+                "email": csu.user.email,
+                "avatar_url": csu.user.avatar_url,
+            }
+            for csu in qs
+        ]
+
+        return Response(status=200, data=data)
+    except PermissionDenied as e:
+        raise e
+    except Exception as e:
+        logger.error(e)
+        return Response({"error": str(e)}, status=404)