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