Django Admin Action Confirmation Page - django

Question

In my Django project I have an admin action which requires an confirmation page. I oriented it on the delete_selected action, but it does not work. Here is what I have.
part of my admin.py
def my_action(modeladmin, request, queryset):
if request.POST.get('post'):
print "Performing action"
# action code here
return None
else:
return TemplateResponse(request, "admin/my_action_confirmation.html")
admin/my_action_confirmation.html
<form action="" method="post">{% csrf_token %}
<div>
<input type="hidden" name="post" value="yes" />
<input type="hidden" name="action" value="my_action" />
<input type="submit" value="Confirm" />
</div>
</form>
This works almost. I get to the confirmation page but if I click "confirm" I just get back to the original page. The part with the action code is never reached. In fact the my_action function isn't called a second time. So how do I tell django, that the my_action function should be called a second time, once I clicked confirm?

Answer 1

Edit: I was more missing then I thought
The corrected my_action
def my_action(modeladmin, request, queryset):
if request.POST.get('post'):
print "Performing action"
# action code here
return None
else:
request.current_app = modeladmin.admin_site.name
return TemplateResponse(request, "admin/my_action_confirmation.html")
admin/my_action_confirmation.html
{% load l10n %}
<form action="" method="post">{% csrf_token %}
<div>
{% for obj in queryset %}
<input type="hidden" name="{{ action_checkbox_name }}" value="{{ obj.pk|unlocalize }}" />
{% endfor %}
<input type="hidden" name="post" value="yes" />
<input type="hidden" name="action" value="my_action" />
<input type="submit" value="Confirm" />
</div>
</form>

Answer 2

admin.py
def require_confirmation(func):
def wrapper(modeladmin, request, queryset):
if request.POST.get("confirmation") is None:
request.current_app = modeladmin.admin_site.name
context = {"action": request.POST["action"], "queryset": queryset}
return TemplateResponse(request, "admin/action_confirmation.html", context)
return func(modeladmin, request, queryset)
wrapper.__name__ = func.__name__
return wrapper
#require_confirmation
def do_dangerous_action(modeladmin, request, queryset):
return 42/0
admin/action_confirmation.html
{% extends "admin/base_site.html" %}
{% load i18n l10n admin_urls %}
{% block bodyclass %}{{ block.super }} app-{{ opts.app_label }} model-{{ opts.model_name }} delete-confirmation
delete-selected-confirmation{% endblock %}
{% block content %}
<p>Are you sure you want to {{ action }}?</p>
<ul style="padding: 0">
{% for object in queryset.all %}
<li style="list-style: none; float: left; margin: 5px">
{{ object }}
</li>
{% endfor %}
</ul>
<hr>
<br>
<form action="" method="post">{% csrf_token %}
<fieldset class="module aligned">
{% for obj in queryset.all %}
<input type="hidden" name="_selected_action" value="{{ obj.pk|unlocalize }}"/>
{% endfor %}
</fieldset>
<div class="submit-row">
<input type="hidden" name="action" value="{{ action }}"/>
<input type="submit" name="confirmation" value="Confirm"/>
<a href="#" onclick="window.history.back(); return false;"
class="button cancel-link">{% trans "No, take me back" %}</a>
</div>
</form>
{% endblock %}

Answer 3

Just in case of anyone wanting to add a confirmation view to something more than an action.
I wanted to make the save of an admin creation view go to a confirmation view. My model was very complex and created a lot of implications for the system. Adding the confirmation view would make sure that the admin was aware of these implications.
The solution would be overriding some _changeform_view method which is called on the creation and the edition.
The full code is here: https://gist.github.com/rsarai/d475c766871f40e52b8b4d1b12dedea2

Answer 4

Here is what worked for me:
Add confirm action method (in admin.py)
from django.template.response import TemplateResponse
def confirm_my_action(modeladmin, request, queryset):
response = TemplateResponse(request,
'admin/confirm_my_action.html',
{'queryset': queryset})
return response
and point to it from your admin model (in admin.py)
class SomeModelAdmin(admin.ModelAdmin):
actions = [confirm_my_action]
Add template, which has a form whose action is pointing to my_action endpoint.
{% extends "admin/base_site.html" %}
{% block content %}
<div id="content" class="colM delete-confirmation">
<form method="post" action="/admin/my_action/">
{% csrf_token %}
<div>
{% for obj in queryset %}
<input type="hidden" name="obj_ids[]" value="{{ obj.pk }}" />
<ul><li>Obj: ">{{obj}}</a></li></ul>
{% endfor %}
</div>
<input type="submit" value="Yes, I'm sure">
No, take me back
</form>
<br class="clear">
<div id="footer"></div>
</div>
{% endblock %}
Add appropriate endpoint (e.g. in urls.py).
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'^admin/my_action/', my_action_method),
]