django-auditlog/src/auditlog/admin.py
Alieh Rymašeŭski bf8ba7a0be Add admin filter by timestamp
It's backed by django-admin-rangefilter if able.
2020-04-22 17:42:53 +03:00

44 lines
1.7 KiB
Python

from django.conf import settings
from django.contrib import admin
from django.core.paginator import Paginator
from django.db import connection, transaction, OperationalError
from django.utils.functional import cached_property
from .models import LogEntry
from .mixins import LogEntryAdminMixin
from .filters import ResourceTypeFilter, FieldFilter, get_timestamp_filter
class TimeLimitedPaginator(Paginator):
"""A PostgreSQL-specific paginator with a hard time limit for total count of pages.
Courtesy of https://medium.com/@hakibenita/optimizing-django-admin-paginator-53c4eb6bfca3
"""
DEFAULT_PAGE_COUNT = 10000
@cached_property
def count(self):
timeout = getattr(settings, 'AUDITLOG_PAGINATOR_TIMEOUT', 500) # ms
with transaction.atomic(), connection.cursor() as cursor:
cursor.execute('SET LOCAL statement_timeout TO %s;', (timeout,))
try:
return super().count
except OperationalError:
return self.per_page * self.DEFAULT_PAGE_COUNT
class LogEntryAdmin(admin.ModelAdmin, LogEntryAdminMixin):
list_display = ['created', 'resource_url', 'action', 'msg_short', 'user_url']
search_fields = ['timestamp', 'object_repr', 'changes', 'actor__first_name', 'actor__last_name']
list_filter = ['action', ResourceTypeFilter, FieldFilter, ('timestamp', get_timestamp_filter())]
readonly_fields = ['created', 'resource_url', 'action', 'user_url', 'msg']
fieldsets = [
(None, {'fields': ['created', 'user_url', 'resource_url']}),
('Changes', {'fields': ['action', 'msg']}),
]
list_select_related = ['actor', 'content_type']
show_full_result_count = False
paginator = TimeLimitedPaginator
admin.site.register(LogEntry, LogEntryAdmin)