重构项目结构

scripts/migrations/migrate_actual_dates_to_datetime.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+"""
+数据库迁移脚本：将 actual_delivery_date 和 actual_payment_date 字段从 DATE 改为 TIMESTAMP
+"""
+import asyncio
+import sys
+from pathlib import Path
+
+project_root = Path(__file__).parent
+sys.path.insert(0, str(project_root))
+sys.path.insert(0, str(project_root / "src"))
+
+from sqlalchemy.ext.asyncio import create_async_engine
+from sqlalchemy import text
+from config.settings import settings
+
+
+async def migrate():
+    """执行数据库迁移"""
+    if not settings.DATABASE_URL:
+        print("错误：未配置数据库连接")
+        return
+    
+    engine = create_async_engine(
+        settings.DATABASE_URL,
+        echo=True
+    )
+    
+    async with engine.begin() as conn:
+        # 修改日期字段类型
+        alter_sql = """
+        ALTER TABLE sales_orders 
+        ALTER COLUMN actual_delivery_date TYPE TIMESTAMP,
+        ALTER COLUMN actual_payment_date TYPE TIMESTAMP
+        """
+        await conn.execute(text(alter_sql))
+        print("成功将实际交付和实际收款日期字段类型改为 TIMESTAMP")
+    
+    await engine.dispose()
+    print("迁移完成")
+
+
+if __name__ == "__main__":
+    asyncio.run(migrate())