trainvel/gtfs/apps.py

@@ -1,5 +1,4 @@
 from django.apps import AppConfig
-from django.db.models.signals import pre_save
 from django.utils.translation import gettext_lazy as _
 
 
@@ -7,8 +6,3 @@ class TrainvelGTFSConfig(AppConfig):
     default_auto_field = "django.db.models.BigAutoField"
     name = "trainvel.gtfs"
     verbose_name = _("Trainvel - GTFS")
-
-    def ready(self):
-        from trainvel.gtfs import signals
-
-        pre_save.connect(signals.keep_gtfs_feed_modification_date, sender="gtfs.GTFSFeed")

trainvel/gtfs/management/commands/update_trainvel_gtfs.py

@@ -368,7 +368,6 @@ class Command(BaseCommand):
             stop_times.clear()
 
         if os.path.exists(os.path.join(zip_dir, "transfers.txt")):
-            Transfer.objects.filter(Q(from_stop__gtfs_feed_id=gtfs_code) | Q(to_stop__gtfs_feed_id=gtfs_code)).delete()
             transfers = []
             for transfer_dict in read_csv("transfers.txt"):
                 transfer_dict: dict

trainvel/gtfs/signals.py

@@ -1,14 +0,0 @@
-from trainvel.gtfs.models import GTFSFeed
-
-
-def keep_gtfs_feed_modification_date(instance: GTFSFeed, raw: bool = True, **_kwargs):
-    """
-    Keep the last_modified and etag fields from the existing GTFSFeed instance when saving a new one.
-    """
-    if raw and GTFSFeed.objects.filter(pk=instance.pk).exists():
-        # If a GTFSFeed instance is being saved from a raw query,
-        # we want to keep the last_modified and etag fields from the existing instance.
-        # This is useful when loading initial data from a fixture, for example.
-        old_instance = GTFSFeed.objects.get(pk=instance.pk)
-        instance.last_modified = old_instance.last_modified
-        instance.etag = old_instance.etag