+ Set Checklist.gift to NULL on Gift deletion

store/migrations/0047_alter_checklist_gift.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.2.2 on 2023-11-11 05:48
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('store', '0046_checklist_gift_alter_gift_min_price'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='checklist',
+            name='gift',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='store.gift', verbose_name='Подарок'),
+        ),
+    ]

store/models.py

@@ -362,7 +362,7 @@ class Checklist(models.Model):
 
     # promo
     promocode = models.ForeignKey('Promocode', verbose_name='Промокод', on_delete=models.PROTECT, null=True, blank=True)
-    gift = models.ForeignKey('Gift', verbose_name='Подарок', on_delete=models.PROTECT, null=True, blank=True)
+    gift = models.ForeignKey('Gift', verbose_name='Подарок', on_delete=models.SET_NULL, null=True, blank=True)
     comment = models.CharField('Комментарий', max_length=200, null=True, blank=True)
 
     # buyername