add: automatic timezone detection

basxbread/middleware.py

@@ -35,6 +35,7 @@ def __call__(self, request):
 
         # load the preferred language for a user and change translation system
         # and language cookie if required
+        tz = None
         if request.user and hasattr(request.user, "preferences"):
             lang = request.user.preferences.get("general__preferred_language")
             if lang and lang != get_language():
@@ -45,6 +46,12 @@ def __call__(self, request):
                 timezone.activate(zoneinfo.ZoneInfo(tz))
             else:
                 timezone.deactivate()
+        if not tz and "basxbread-timezone" in request.session["basxbread-cookies"]:
+            timezone.activate(
+                zoneinfo.ZoneInfo(
+                    request.session["basxbread-cookies"]["basxbread-timezone"]
+                )
+            )
 
         return self.get_response(request)
 

basxbread/static/js/main.js

@@ -10,6 +10,8 @@ function basxbread_load_elements() {
   $$(
     "[onload]:not(body):not(frame):not(iframe):not(img):not(link):not(script):not(style)"
   )._.fire("load");
+
+  setBasxBreadCookie("timezone", Intl.DateTimeFormat().resolvedOptions().timeZone);
 }
 
 // make sure to display content from faild ajax requests
@@ -195,3 +197,4 @@ function searchMatchRank(searchTerms, value) {
   }
   return score;
 }
+