Add header for excel

server/vbv_lernwelt/edoniq_test/tests/test_edoniq_export.py

@@ -93,7 +93,7 @@ class EdoniqUserExportTestCase(TestCase):
 
         expected_response_data = [
             [
-                "login",
+                "\ufefflogin",
                 "firstname",
                 "lastname",
                 "gender",

server/vbv_lernwelt/edoniq_test/views.py

@@ -152,11 +152,13 @@ def fetch_course_session_all_users(courses: List[int], excluded_domains=None):
 
 
 def generate_export_response(cs_users: List[User]) -> HttpResponse:
-    response = HttpResponse(content_type="text/csv")
+    response = HttpResponse(content_type="text/csv; charset=utf-8")
     response[
         "Content-Disposition"
     ] = f"attachment; filename=edoniq_user_export_{date.today().strftime('%Y%m%d')}.csv"
 
+    response.write("\ufeff".encode("utf8"))  # UTF-8 BOM
+
     writer = csv.writer(response)
     writer.writerow(
         [