add logout modal button to global context

src/argus/htmx/appconfig.py

@@ -36,6 +36,7 @@
         "context_processors": [
             "argus.auth.context_processors.preferences",
             "argus.htmx.context_processors.static_paths",
+            "argus.htmx.user.context_processors.logout_context",
         ],
         "middleware": {
             "argus.htmx.middleware.LoginRequiredMiddleware": "end",

src/argus/htmx/templates/htmx/user/_user_menu_logout.html

@@ -1,3 +1,4 @@
+{% include logout_modal.template_name with modal=logout_modal %}
 <form class="flex" action="{% url "htmx:logout" %}" method="post">
   {% csrf_token %}
   <button class="flex-1 text-start" type="submit">Log out</button>

src/argus/htmx/user/context_processors.py

@@ -0,0 +1,21 @@
+"""
+How to use:
+
+Append the "context_processors" list for the TEMPLATES-backend
+``django.template.backends.django.DjangoTemplates`` with the full dotted path.
+
+See django settings for ``TEMPLATES``.
+"""
+
+from django.urls import reverse
+
+from .views import LogoutModal
+
+
+def logout_context(request):
+    return {
+        "logout_modal": LogoutModal(
+            endpoint=reverse("htmx:logout"),
+            dialog_id="logout-dialog",
+        ),
+    }

src/argus/htmx/user/views.py

@@ -6,6 +6,14 @@
 
 from argus.auth.utils import get_preference_obj, save_preferences
 from argus.htmx.incident.views import HtmxHttpRequest
+from argus.htmx.modals import ConfirmationModal
+
+
+class LogoutModal(ConfirmationModal):
+    header: str = "Log out"
+    submit_text: str = header
+    button_title: str = header
+    explanation: str = "Log out of Argus?"
 
 
 @require_GET