Closes #951: Provide a side-by-side view of rack elevations

netbox/utilities/templatetags/helpers.py

@@ -65,30 +65,17 @@ def bettertitle(value):
 #
 
 @register.simple_tag()
-def querystring_toggle(request, multi=True, page_key='page', **kwargs):
+def querystring(request, **kwargs):
     """
-    Add or remove a parameter in the HTTP GET query string
+    Append or update the page number in a querystring.
     """
-    new_querydict = request.GET.copy()
-
-    # Remove page number from querystring
-    try:
-        new_querydict.pop(page_key)
-    except KeyError:
-        pass
-
-    # Add/toggle parameters
+    querydict = request.GET.copy()
     for k, v in kwargs.items():
-        values = new_querydict.getlist(k)
-        if k in new_querydict and v in values:
-            values.remove(v)
-            new_querydict.setlist(k, values)
-        elif not multi:
-            new_querydict[k] = v
-        else:
-            new_querydict.update({k: v})
-
-    querystring = new_querydict.urlencode()
+        if v is not None:
+            querydict[k] = v
+        elif k in querydict:
+            querydict.pop(k)
+    querystring = querydict.urlencode()
     if querystring:
         return '?' + querystring
     else: