add confirm_action helper

src/admin_extra_urls/mixins.py

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, unicode_literals
+
+import logging
+from django.contrib import messages
+
+from django.contrib.admin.templatetags.admin_urls import admin_urlname
+from django.core.urlresolvers import reverse
+from django.http import HttpResponseRedirect
+from django.template.response import TemplateResponse
+from django.utils.translation import gettext as _
+
+logger = logging.getLogger(__name__)
+
+
+def _confirm_action(modeladmin, request,
+                    action, message,
+                    success_message="",
+                    description='',
+                    pk=None,
+                    extra_context=None, **kwargs):
+    opts = modeladmin.model._meta
+    context = dict(
+        modeladmin.admin_site.each_context(request),
+        opts=opts,
+        app_label=opts.app_label,
+        message=message,
+        description=description,
+        **kwargs)
+    if extra_context:
+        context.update(extra_context)
+
+    if request.method == 'POST':
+        ret = action(request)
+        modeladmin.message_user(request, success_message, messages.SUCCESS)
+        return ret or HttpResponseRedirect(reverse(admin_urlname(opts,
+                                                                 'changelist')))
+
+    return TemplateResponse(request,
+                            'admin_extra_urls/confirm.html',
+                            context)
+
+# class ConfirmActionMixin(object):
+#     def _confirm(self, request, action, message, description='', info='', **kwargs):
+#         return _confirm_action(self, request, action, message, description, info, **kwargs)

src/admin_extra_urls/templates/admin_extra_urls/confirm.html

@@ -0,0 +1,31 @@
+{% extends 'admin/base_site.html' %}
+{% load i18n admin_static admin_list admin_urls %}
+{% block breadcrumbs %}
+    <ul>
+        <li><a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
+            </li>
+        <li>
+            <a href="{% url 'admin:app_list' app_label=opts.app_label %}">{{ opts.app_label|capfirst|escape }}</a>
+            </li>
+        <li class="active">{{ opts.verbose_name_plural|capfirst }}</li>
+    </ul>
+{% endblock %}
+
+{% block content %}
+    <h1>Warning:</h1>
+    <h2>{{ message }}</h2>
+    <br>
+    <div><h3>{{ description }}</h3></div>
+    <hr>
+    <br><br><br><br><br>
+    <form method="post">
+        {% csrf_token %}
+        <input type="submit" class="btn btn-large btn-danger" value="Confirm">
+        <input type="button" class="btn btn-large btn-success"
+               onclick="javascript:history.back()"
+               value="Go Back">
+    </form>
+    <script>
+
+    </script>
+{% endblock content %}

tests/demoapp/demo/admin.py

@@ -3,6 +3,7 @@
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect
 from admin_extra_urls.extras import ExtraUrlMixin, link, action
+from admin_extra_urls.mixins import _confirm_action
 from .models import DemoModel1, DemoModel2, DemoModel3
 
 
@@ -23,6 +24,14 @@ def custom_path(self, request):
     def no_response(self, request):
         self.message_user(request, 'No_response')
 
+    @link()
+    def confirm(self, request):
+        def _action(request):
+            pass
+
+        return _confirm_action(self, request, _action, "Confirm action",
+                               "Successfully executed")
+
 
 class Admin2(ExtraUrlMixin, admin.ModelAdmin):
     @action()

tests/test_confirm.py

@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+import logging
+from django.core.urlresolvers import reverse
+from django_dynamic_fixture import G
+import django_webtest
+import pytest
+from demo.models import DemoModel2
+
+logger = logging.getLogger(__name__)
+
+
+@pytest.fixture(scope='function')
+def app(request):
+    wtm = django_webtest.WebTestMixin()
+    wtm.csrf_checks = False
+    wtm._patch_settings()
+    request.addfinalizer(wtm._unpatch_settings)
+    return django_webtest.DjangoTestApp()
+
+
+@pytest.fixture
+def demomodel2():
+    return G(DemoModel2)
+
+
+def test_confirm(app, admin_user):
+    url = reverse('admin:demo_demomodel1_changelist')
+    res = app.get(url, user=admin_user)
+    res = res.click('Confirm')
+    assert str(res.content).find("Confirm action")
+    res = res.form.submit().follow()
+    assert str(res.context['messages']._loaded_messages[0].message) == 'Successfully executed'