Fix base_url template tag

adit_radis_shared/common/templatetags/common_extras.py

@@ -2,6 +2,8 @@
 from datetime import date, datetime, time
 from typing import Any
 
+from django.conf import settings
+from django.contrib.sites.models import Site
 from django.contrib.sites.shortcuts import get_current_site
 from django.http import HttpRequest
 from django.template import Library
@@ -19,10 +21,17 @@ def access_item(d: dict, key: str) -> Any:
 
 @register.simple_tag(takes_context=True)
 def base_url(context: dict[str, Any]) -> str:
-    # Requires django.template.context_processors.request
-    request: HttpRequest = context["request"]
-    domain = get_current_site(request).domain
-    protocol = "https" if request.is_secure() else "http"
+    # To have request in context, django.template.context_processors.request
+    # is required in the context_processors settings.
+    request: HttpRequest | None = context.get("request")
+
+    if request is not None:
+        domain = get_current_site(request).domain
+        protocol = "https" if request.is_secure() else "http"
+    else:
+        domain = Site.objects.get_current()
+        protocol = "https" if not settings.DEBUG else "http"
+
     return f"{protocol}://{domain}"