django/tests/admin_custom_urls/models.py

88 lines
2.4 KiB
Python

from functools import update_wrapper
from django.contrib import admin
from django.db import models
from django.http import HttpResponseRedirect
from django.urls import reverse
class Action(models.Model):
name = models.CharField(max_length=50, primary_key=True)
description = models.CharField(max_length=70)
def __str__(self):
return self.name
class ActionAdmin(admin.ModelAdmin):
"""
A ModelAdmin for the Action model that changes the URL of the add_view
to '<app name>/<model name>/!add/'
The Action model has a CharField PK.
"""
list_display = ("name", "description")
def remove_url(self, name):
"""
Remove all entries named 'name' from the ModelAdmin instance URL
patterns list
"""
return [url for url in super().get_urls() if url.name != name]
def get_urls(self):
# Add the URL of our custom 'add_view' view to the front of the URLs
# list. Remove the existing one(s) first
from django.urls import re_path
def wrap(view):
def wrapper(*args, **kwargs):
return self.admin_site.admin_view(view)(*args, **kwargs)
return update_wrapper(wrapper, view)
info = self.opts.app_label, self.opts.model_name
view_name = "%s_%s_add" % info
return [
re_path("^!add/$", wrap(self.add_view), name=view_name),
] + self.remove_url(view_name)
class Person(models.Model):
name = models.CharField(max_length=20)
class PersonAdmin(admin.ModelAdmin):
def response_post_save_add(self, request, obj):
return HttpResponseRedirect(
reverse("admin:admin_custom_urls_person_history", args=[obj.pk])
)
def response_post_save_change(self, request, obj):
return HttpResponseRedirect(
reverse("admin:admin_custom_urls_person_delete", args=[obj.pk])
)
class Car(models.Model):
name = models.CharField(max_length=20)
class CarAdmin(admin.ModelAdmin):
def response_add(self, request, obj, post_url_continue=None):
return super().response_add(
request,
obj,
post_url_continue=reverse(
"admin:admin_custom_urls_car_history", args=[obj.pk]
),
)
site = admin.AdminSite(name="admin_custom_urls")
site.register(Action, ActionAdmin)
site.register(Person, PersonAdmin)
site.register(Car, CarAdmin)