[feat] users by event

backend/project/api/users/urls.py

@@ -5,6 +5,7 @@ from api.users.views import (
     DownloadUsersFromExcelView,
     RegisterUsersFromExcelView,
     UserViewSet,
+    UsersByEvent,
 )
 
 app_name = "users"
@@ -15,6 +16,11 @@ router.register("", UserViewSet)
 
 urlpatterns = [
     path("", include(router.urls)),
+    path(
+        "by-event/<event_id>/",
+        UsersByEvent.as_view(),
+        name="users-by-event",
+    ),
     path(
         "upload/excel/<event_id>/",
         RegisterUsersFromExcelView.as_view(),
@@ -24,5 +30,5 @@ urlpatterns = [
         "download/excel/<event_id>/",
         DownloadUsersFromExcelView.as_view(),
         name="excel-download",
-    )
+    ),
 ]

backend/project/api/users/views.py

@@ -18,6 +18,22 @@ class UserViewSet(ModelViewSet):
     serializer_class = UserSerializer
 
 
+class UsersByEvent(APIView):
+    def get(self, _, event_id):
+        try:
+            event = Event.objects.get(pk=event_id)
+        except Event.DoesNotExist:
+            return Response(
+                {"error": "Event does not exist"},
+                status=status.HTTP_404_NOT_FOUND,
+            )
+
+        users = event.users.all()
+        serializer = UserSerializer(users, many=True)
+
+        return Response(serializer.data)
+
+
 class RegisterUsersFromExcelView(APIView):
     def post(self, request, event_id):
         try: