django-auditlog/auditlog/admin.py
Aleh Rymašeŭski 408a105fe1 Allow cascade deletion of auditlog entries (#556)
* Allow cascade deletion of auditlog entries

* Cache iteration over self.urls
2023-09-01 15:50:51 +00:00

88 lines
2.5 KiB
Python

from functools import cached_property
from django.conf import settings
from django.contrib import admin
from django.contrib.auth import get_user_model
from django.core.paginator import Paginator
from django.utils.translation import gettext_lazy as _
from auditlog.count import limit_query_time
from auditlog.filters import (
CIDFilter,
FieldFilter,
ResourceTypeFilter,
ShortActorFilter,
get_timestamp_filter,
)
from auditlog.mixins import LogEntryAdminMixin
from auditlog.models import LogEntry
class TimeLimitedPaginator(Paginator):
"""A PostgreSQL-specific paginator with a hard time limit for total count of pages."""
@cached_property
@limit_query_time(
getattr(settings, "AUDITLOG_PAGINATOR_TIMEOUT", 500), default=100000
)
def count(self):
return super().count
@admin.register(LogEntry)
class LogEntryAdmin(admin.ModelAdmin, LogEntryAdminMixin):
list_display = [
"created",
"resource_url",
"action",
"msg_short",
"user_url",
"cid_url",
]
search_fields = [
"timestamp",
"object_repr",
"changes",
"actor__first_name",
"actor__last_name",
f"actor__{get_user_model().USERNAME_FIELD}",
]
list_filter = [
"action",
ShortActorFilter,
ResourceTypeFilter,
FieldFilter,
("timestamp", get_timestamp_filter()),
CIDFilter,
]
readonly_fields = ["created", "resource_url", "action", "user_url", "msg"]
fieldsets = [
(None, {"fields": ["created", "user_url", "resource_url", "cid"]}),
(_("Changes"), {"fields": ["action", "msg"]}),
]
list_select_related = ["actor", "content_type"]
show_full_result_count = False
paginator = TimeLimitedPaginator
def has_add_permission(self, request):
return False
def has_change_permission(self, request, obj=None):
return False
@cached_property
def _own_url_names(self):
return [pattern.name for pattern in self.urls if pattern.name]
def has_delete_permission(self, request, obj=None):
if (
request.resolver_match
and request.resolver_match.url_name not in self._own_url_names
):
# only allow cascade delete to satisfy delete_related flag
return super().has_delete_permission(request, obj)
return False
def get_queryset(self, request):
self.request = request
return super().get_queryset(request=request)