Виджет с усреднёнными точками на карте

dbapp/mainapp/views/objitem.py

@@ -55,6 +55,13 @@ class ObjItemListView(LoginRequiredMixin, View):
         )
 
         selected_sat_id = request.GET.get("satellite_id")
+        
+        # If no satellite is selected and no filters are applied, select the first satellite
+        if not selected_sat_id and not request.GET.getlist("satellite_id"):
+            first_satellite = satellites.first()
+            if first_satellite:
+                selected_sat_id = str(first_satellite.id)
+        
         page_number, items_per_page = parse_pagination_params(request)
         sort_param = request.GET.get("sort", "")
 
@@ -450,12 +457,14 @@ class ObjItemListView(LoginRequiredMixin, View):
             "bod_max": bod_max,
             "search_query": search_query,
             "selected_modulations": [
-                int(x) for x in selected_modulations if x.isdigit()
+                int(x) if isinstance(x, str) else x for x in selected_modulations if (isinstance(x, int) or (isinstance(x, str) and x.isdigit()))
             ],
             "selected_polarizations": [
-                int(x) for x in selected_polarizations if x.isdigit()
+                int(x) if isinstance(x, str) else x for x in selected_polarizations if (isinstance(x, int) or (isinstance(x, str) and x.isdigit()))
+            ],
+            "selected_satellites": [
+                int(x) if isinstance(x, str) else x for x in selected_satellites if (isinstance(x, int) or (isinstance(x, str) and x.isdigit()))
             ],
-            "selected_satellites": [int(x) for x in selected_satellites if x.isdigit()],
             "has_kupsat": has_kupsat,
             "has_valid": has_valid,
             "date_from": date_from,