update to filter location for user

rog/views.py

@@ -212,9 +212,9 @@ def ExtentForMainPerf(request):
 @csrf_exempt 
 def ExtentForLocations(request):
     user = request.user
-    grp = user.group[3:-1]
-    print(user.group)
-    locs = Location.objects.filter(group__contains=grp).aggregate(Extent('geom'), Union('geom'))
+    ec = user.event_code
+    //print(user.event_code)
+    locs = Location.objects.filter(group__contains=ec).aggregate(Extent('geom'), Union('geom'))
     return JsonResponse(locs['geom__extent'], safe=False)