feat: new modul (stateflow)

stateflow/migrations/0011_rename_order_to_business_object.py

@@ -0,0 +1,76 @@
+# Generated manually
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('stateflow', '0010_remove_orderstatelog_notes_and_more'),
+    ]
+
+    operations = [
+        # 先重命名表（保留数据）
+        migrations.RenameModel(
+            old_name='Order',
+            new_name='BusinessObject',
+        ),
+        migrations.RenameModel(
+            old_name='OrderStateLog',
+            new_name='StateFlowRecord',
+        ),
+        
+        # 更新 BusinessObject 的字段
+        migrations.AlterModelOptions(
+            name='businessobject',
+            options={'verbose_name': '业务对象', 'verbose_name_plural': '业务对象'},
+        ),
+        migrations.AlterModelTable(
+            name='businessobject',
+            table='business_object',
+        ),
+        
+        # 添加 GenericForeignKey 字段
+        migrations.AddField(
+            model_name='businessobject',
+            name='content_type',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contenttypes.contenttype', verbose_name='关联对象类型', default=1),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='businessobject',
+            name='object_id',
+            field=models.PositiveIntegerField(verbose_name='关联对象ID', default=0),
+            preserve_default=False,
+        ),
+        
+        # 更新 StateFlowRecord
+        migrations.RenameField(
+            model_name='stateflowrecord',
+            old_name='order',
+            new_name='business_object',
+        ),
+        migrations.AlterModelOptions(
+            name='stateflowrecord',
+            options={'ordering': ['completed_at'], 'verbose_name': '状态流转记录', 'verbose_name_plural': '状态流转记录'},
+        ),
+        migrations.AlterModelTable(
+            name='stateflowrecord',
+            table='state_flow_record',
+        ),
+        migrations.AlterUniqueTogether(
+            name='stateflowrecord',
+            unique_together={('business_object', 'state')},
+        ),
+        
+        # 更新 Process 的 related_name
+        migrations.AlterField(
+            model_name='businessobject',
+            name='process',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='business_objects', to='stateflow.process', verbose_name='关联流程'),
+        ),
+    ]