redirect and canonical tag

hub/middleware.py

@@ -0,0 +1,29 @@
+from django.conf import settings
+from django.http import HttpResponseRedirect
+from urllib.parse import urlparse
+
+
+class PrimaryDomainRedirectMiddleware:
+    def __init__(self, get_response):
+        self.get_response = get_response
+        # Parse the primary hostname from WEBSITE_URL
+        self.primary_host = urlparse(settings.WEBSITE_URL).netloc
+
+    def __call__(self, request):
+        # Skip redirects in DEBUG mode
+        if settings.DEBUG:
+            return self.get_response(request)
+
+        # Check if the host is different from the primary host
+        if request.get_host() != self.primary_host:
+            # Build the redirect URL
+            scheme = "https"  # Always use HTTPS for redirects
+            path = request.get_full_path()  # Includes query string
+            redirect_url = f"{scheme}://{self.primary_host}{path}"
+
+            # Use 301 permanent redirect
+            response = HttpResponseRedirect(redirect_url)
+            response.status_code = 301
+            return response
+
+        return self.get_response(request)