Add setting to hide the intermediary logout page

CHANGELOG.md

@@ -2,6 +2,11 @@
 All enhancements and patches to Cookiecutter Django will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2019-01-31]
+### Added
+- Added `DJANGO_ACCOUNT_HIDE_INTERMEDIARY_LOGOUT` environment variable to hide the intermediary logout form and instead auto-submit via JavaScript
+
+
 ## [2018-02-16]
 ### Changed
 - Upgraded to Django 2.0 (@epicwhale)

docs/settings.rst

@@ -57,3 +57,5 @@ Other Environment Settings
 
 DJANGO_ACCOUNT_ALLOW_REGISTRATION (=True)
     Allow enable or disable user registration through `django-allauth` without disabling other characteristics like authentication and account management. (Django Setting: ACCOUNT_ALLOW_REGISTRATION)
+DJANGO_ACCOUNT_HIDE_INTERMEDIARY_LOGOUT (=False)
+    Hide the intermediary logout form and instead auto-submit via JavaScript. This degrades back to using the form in case JavaScript is disabled. (Django Setting: ACCOUNT_ALLOW_REGISTRATION)

{{cookiecutter.project_slug}}/config/settings/base.py

@@ -195,6 +195,7 @@ TEMPLATES = [
                 'django.template.context_processors.static',
                 'django.template.context_processors.tz',
                 'django.contrib.messages.context_processors.messages',
+                '{{cookiecutter.project_slug}}.users.context_processors.expose_settings',
             ],
         },
     },
@@ -275,6 +276,11 @@ ACCOUNT_ADAPTER = '{{cookiecutter.project_slug}}.users.adapters.AccountAdapter'
 # https://django-allauth.readthedocs.io/en/latest/configuration.html
 SOCIALACCOUNT_ADAPTER = '{{cookiecutter.project_slug}}.users.adapters.SocialAccountAdapter'
 
+# Configuration options
+# ------------------------------------------------------------------------------
+# https://cookiecutter-django.readthedocs.io/en/latest/settings.html#other-environment-settings
+ACCOUNT_HIDE_INTERMEDIARY_LOGOUT = env.bool('DJANGO_ACCOUNT_HIDE_INTERMEDIARY_LOGOUT', False)
+
 {% if cookiecutter.use_compressor == 'y' -%}
 # django-compressor
 # ------------------------------------------------------------------------------

{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/templates/account/logout.html

@@ -5,11 +5,17 @@
 {% block head_title %}{% trans "Sign Out" %}{% endblock %}
 
 {% block inner %}
+
+{% if ACCOUNT_HIDE_INTERMEDIARY_LOGOUT %}
+  {# Hide form - prevents user confusion by seeing an auto-submitting form #}
+  <script>document.getElementsByClassName('container')[0].style.display = 'none';</script>
+{% endif %}
+
 <h1>{% trans "Sign Out" %}</h1>
 
 <p>{% trans 'Are you sure you want to sign out?' %}</p>
 
-<form method="post" action="{% url 'account_logout' %}">
+<form id="form-logout" method="post" action="{% url 'account_logout' %}">
   {% csrf_token %}
   {% if redirect_field_value %}
   <input type="hidden" name="{{ redirect_field_name }}" value="{{ redirect_field_value }}"/>
@@ -17,6 +23,10 @@
   <button class="btn btn-danger" type="submit">{% trans 'Sign Out' %}</button>
 </form>
 
+{% if ACCOUNT_HIDE_INTERMEDIARY_LOGOUT %}
+  {# submit form automatically #}
+  <script>document.getElementById('form-logout').submit();</script>
+{% endif %}
 
 {% endblock %}
 {% endraw %}

{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/context_processors.py

@@ -0,0 +1,8 @@
+from django.conf import settings
+
+
+def expose_settings(request):
+    # expose any necessary settings
+    return {
+        'ACCOUNT_HIDE_INTERMEDIARY_LOGOUT': settings.ACCOUNT_HIDE_INTERMEDIARY_LOGOUT
+    }