migration repaire

apps/customer/migrations/0009_mobileconflict.py

@@ -0,0 +1,37 @@
+from django.db import migrations, models
+from django.utils import timezone
+
+
+class CreateAuditModel(migrations.CreateModel):
+    """0008 can create this audit table before repairing legacy data.
+
+    Existing installations that already applied 0008 create it here instead.
+    Keep audit history on rollback; it is evidence of irreversible data repairs.
+    """
+    def database_forwards(self, app_label, schema_editor, from_state, to_state):
+        model = to_state.apps.get_model(app_label, self.name)
+        if model._meta.db_table not in schema_editor.connection.introspection.table_names():
+            super().database_forwards(app_label, schema_editor, from_state, to_state)
+
+    def database_backwards(self, app_label, schema_editor, from_state, to_state):
+        pass
+
+
+class Migration(migrations.Migration):
+    dependencies = [('customer', '0008_customer_mobile_unique')]
+    operations = [CreateAuditModel(
+        name='MobileConflict',
+        fields=[
+            ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+            ('source_model', models.CharField(max_length=100)),
+            ('record_id', models.PositiveBigIntegerField()),
+            ('workspace_id', models.PositiveBigIntegerField(null=True, blank=True)),
+            ('original_mobile', models.PositiveBigIntegerField(null=True, blank=True)),
+            ('canonical_mobile', models.PositiveBigIntegerField()),
+            ('snapshot', models.JSONField()),
+            ('created_at', models.DateTimeField(default=timezone.now, editable=False)),
+        ],
+        options={'ordering': ['-created_at', '-pk'],
+                 'unique_together': (('source_model', 'record_id'),),
+                 'verbose_name': 'تعارض شماره قدیمی', 'verbose_name_plural': 'تعارض‌های شماره قدیمی'},
+    )]