4 files changed, 65 insertions, 18 deletions
diff --git a/archaeological_warehouse/migrations/0124_warehouse_cached_town.py b/archaeological_warehouse/migrations/0124_warehouse_cached_town.py
new file mode 100644
index 000000000..669bcd3af
--- /dev/null
+++ b/archaeological_warehouse/migrations/0124_warehouse_cached_town.py
@@ -0,0 +1,31 @@
+# Generated by Django 2.2.24 on 2025-10-24 15:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('archaeological_warehouse', '0123_warehouse_container_ishtar_users'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='historicalwarehouse',
+            name='cached_town',
+            field=models.TextField(blank=True, default='', verbose_name='Cached town'),
+        ),
+        migrations.AddField(
+            model_name='warehouse',
+            name='cached_town',
+            field=models.TextField(blank=True, default='', verbose_name='Cached town'),
+        ),
+        migrations.RemoveField(
+            model_name='historicalwarehouse',
+            name='cached_town_label',
+        ),
+        migrations.RemoveField(
+            model_name='warehouse',
+            name='cached_town_label',
+        ),
+    ]
diff --git a/archaeological_warehouse/migrations/0125_migrate_cached_town.py b/archaeological_warehouse/migrations/0125_migrate_cached_town.py
new file mode 100644
index 000000000..49f914185
--- /dev/null
+++ b/archaeological_warehouse/migrations/0125_migrate_cached_town.py
@@ -0,0 +1,29 @@
+# Generated by Django 2.2.24 on 2025-10-24 12:59
+
+from django.db import migrations
+
+
+def _generate_cached_town(Town, town):
+    if town.precise_town_id:
+        return Town.objects.get(id=town.precise_town_id).name
+    return town.town or ""
+
+
+def migrate_cached_towns(apps, __):
+    Town = apps.get_model("ishtar_common", "Town")
+    Warehouse = apps.get_model("archaeological_warehouse", "Warehouse")
+    for warehouse in Warehouse.objects.all():
+        Warehouse.objects.filter(pk=warehouse.pk).update(
+            cached_town=_generate_cached_town(Town, warehouse),
+        )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('archaeological_warehouse', '0124_warehouse_cached_town'),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_cached_towns)
+    ]
diff --git a/archaeological_warehouse/migrations/0124_add_timezone_django_v4.py b/archaeological_warehouse/migrations/0126_add_timezone_django_v4.py
index 356140e11..41cda4e35 100644
--- a/archaeological_warehouse/migrations/0124_add_timezone_django_v4.py
+++ b/archaeological_warehouse/migrations/0126_add_timezone_django_v4.py
@@ -10,8 +10,8 @@ import re
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('ishtar_common', '0265_add_timezone_django_v4'),
-        ('archaeological_warehouse', '0123_warehouse_container_ishtar_users'),
+        ('ishtar_common', '0267_add_timezone_django_v4'),
+        ('archaeological_warehouse', '0125_migrate_cached_town'),
     ]
 
     operations = [
diff --git a/archaeological_warehouse/models.py b/archaeological_warehouse/models.py
index bc3015b93..9c465ebf1 100644
--- a/archaeological_warehouse/models.py
+++ b/archaeological_warehouse/models.py
@@ -294,10 +294,10 @@ class Warehouse(
     SHOW_URL = "show-warehouse"
     DELETE_URL = "delete-warehouse"
     DOWN_MODEL_UPDATE = ["containers", "responsibilities"]
-    TABLE_COLS = ["name", "warehouse_type__label", "cached_town_label"]
+    TABLE_COLS = ["name", "warehouse_type__label", "cached_town"]
     COL_LABELS = {
         "warehouse_type__label": _("Type"),
-        "cached_town_label": _("Town"),
+        "cached_town": _("Town"),
     }
     INITIAL_VALUES = ["name", "slug"]
     NEW_QUERY_ENGINE = True
@@ -340,7 +340,7 @@ class Warehouse(
     DEFAULT_SEARCH_FORM = ("archaeological_warehouse.forms", "WarehouseSelect")
 
     GEO_LABEL = "name"
-    CACHED_LABELS = ["cached_town_label"]
+    CACHED_LABELS = ["cached_town"]
 
     QA_EDIT = QuickAction(
         url="warehouse-qa-bulk-update",
@@ -433,12 +433,6 @@ class Warehouse(
         default=0,
         help_text=_("Automatically generated"),
     )
-    cached_town_label = models.TextField(
-        _("Cached town label"),
-        blank=True,
-        default="",
-        help_text=_("Generated automatically - do not edit"),
-    )
     SUB_ADDRESSES = ["organization", "person_in_charge"]
 
     class Meta:
@@ -650,13 +644,6 @@ class Warehouse(
             wdiv.delete()
         merge_model_objects(self, item, keep_old=keep_old)
 
-    def _generate_cached_town_label(self):
-        if self.precise_town:
-            return str(self.precise_town)
-        if self.town:
-            return self.town
-        return ""
-
     def check_cascade_update(self):
         # arbitrary check if a "location" or a "responsibility" container are impacted by a change
         # arbitrary because check every formula is not efficient