Better management of cascade updates

2 files changed, 26 insertions, 0 deletions

diff --git a/archaeological_context_records/migrations/0047_auto_20190628_1257.py b/archaeological_context_records/migrations/0047_auto_20190628_1257.py
new file mode 100644
index 000000000..913eab154
--- /dev/null
+++ b/archaeological_context_records/migrations/0047_auto_20190628_1257.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.18 on 2019-06-28 12:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('archaeological_context_records', '0046_auto_20190528_1048'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='contextrecord',
+            name='need_update',
+            field=models.BooleanField(default=False, verbose_name='Need update'),
+        ),
+        migrations.AddField(
+            model_name='historicalcontextrecord',
+            name='need_update',
+            field=models.BooleanField(default=False, verbose_name='Need update'),
+        ),
+    ]
diff --git a/archaeological_context_records/models.py b/archaeological_context_records/models.py
index ace66aed6..1b81f3b63 100644
--- a/archaeological_context_records/models.py
+++ b/archaeological_context_records/models.py
@@ -431,6 +431,7 @@ class ContextRecord(BulkUpdatedItem, DocumentItem, BaseHistorizedItem,
     ]
     CACHED_LABELS = ['cached_label', 'cached_periods',
                      "cached_related_context_records"]
+    DOWN_MODEL_UPDATE = ["base_finds"]
 
     history = HistoricalRecords(bases=[HistoryModel])
     objects = ExternalIdManager()