allow bulk adding cid candidates by group

generic/templates/generic/cid_group_view_detail.html

@@ -73,8 +73,24 @@
                         <a href="{{exam.get_absolute_url}}" class="px-2">{{exam}}</a>
                         {% if group_type == "cid" %}
                             <a href="{{exam.get_cid_edit_url}}" class="edit-link" px-2>Edit candidates</a>
-                            {% comment %} <button>Add group candidates</button>
+                            <form>
-                            <button>Remove group candidates</button> {% endcomment %}
+                                <input type="hidden" name="exam_id" value="{{exam.pk}}">
+                                <input type="hidden" name="exam_type" value="{{exam.app_name}}">
+                                <button
+                                    class="btn btn-sm px-2"
+                                    hx-post="{% url 'generic:cid_group_add_candidates_to_exams' group.pk %}"
+                                    title="Add all group candidates to this exam"
+                                    name="action"
+                                    value="add"
+                                >Add group candidates</button>
+                                <button
+                                    hx-post="{% url 'generic:cid_group_add_candidates_to_exams' group.pk %}"
+                                    title="Remove all group candidates to this exam"
+                                    class="btn btn-sm px-2"
+                                    name="action"
+                                    value="remove"
+                                >Remove group candidates</button>
+                            </form>
                         {% else %}
                             <a href="{{exam.get_user_edit_url}}" class="edit-link px-2">Edit candidates</a>
                             <form>

generic/urls.py

@@ -105,6 +105,11 @@ urlpatterns = [
         views.CidUserGroupDelete.as_view(),
         name="cid_group_delete",
     ),
+    path(
+        "cid/group/<int:group_id>/add",
+        views.cid_group_add_candidates_to_exams,
+        name="cid_group_add_candidates_to_exams",
+    ),
     path(
         "cids/group/create", views.CidUserGroupCreate.as_view(), name="cid_group_create"
     ),

generic/views.py

@@ -2890,7 +2890,7 @@ def user_group_add_by_email_user(request, group_id):
                 # Ignore invalid emails
                 pass
 
-        res = f"<div class='alert alert-primary'>Users added to {group.name} [{','.join(added)}]</div>"
+        res = f"<div class='alert alert-primary'>Users added to {group.name} [{','.join(added)} ({len(added)})]</div>"
 
         if invalid_emails:
             res += f"<br/><div class='alert alert-warning'>Invalid emails [{','.join(invalid_emails)}]</div>"
@@ -2928,6 +2928,27 @@ def cid_group_view_all(request):
         {"groups": groups, "view_all": True},
     )
 
+@user_is_cid_user_manager
+def cid_group_add_candidates_to_exams(request, group_id):
+    if request.htmx:
+        group = get_object_or_404(CidUserGroup, pk=group_id)
+
+        exam_id = request.POST.get("exam_id")
+        exam_type = request.POST.get("exam_type")
+
+        ExamModel = get_exam_model_from_app_name(exam_type)
+
+        exam = get_object_or_404(ExamModel, pk=exam_id)
+
+        if request.POST.get("action") == "remove":
+            exam.valid_cid_users.remove(*group.ciduser_set.all())
+            return HttpResponse(f"Candidates removed")
+        else:
+            exam.valid_cid_users.add(*group.ciduser_set.all())
+            return HttpResponse(f"Candidates added")
+        # exam.save()
+
+    raise PermissionDenied()  # or Http404
 
 @user_is_cid_user_manager
 def user_group_add_candidates_to_exams(request, group_id):