root: implement monitored tasks

passbook/admin/views/tasks.py

@@ -0,0 +1,22 @@
+"""passbook Tasks List"""
+from typing import Any, Dict
+
+from django.core.cache import cache
+from django.views.generic.base import TemplateView
+
+from passbook.admin.mixins import AdminRequiredMixin
+from passbook.lib.tasks import TaskResultStatus
+
+
+class TaskListView(AdminRequiredMixin, TemplateView):
+    """Show list of all background tasks"""
+
+    template_name = "administration/task/list.html"
+
+    def get_context_data(self, **kwargs: Any) -> Dict[str, Any]:
+        kwargs = super().get_context_data(**kwargs)
+        kwargs["object_list"] = cache.get_many(cache.keys("task_*"))
+        kwargs["task_successful"] = TaskResultStatus.SUCCESSFUL
+        kwargs["task_warning"] = TaskResultStatus.WARNING
+        kwargs["task_error"] = TaskResultStatus.ERROR
+        return kwargs