数据库时间日志迁移至 BaseModel

models/redeem.py

@@ -12,24 +12,4 @@ class Redeem(BaseModel, table=True):
     product_id: Optional[int] = Field(default=None, description="关联的商品/权益ID")
     num: int = Field(default=1, sa_column_kwargs={"server_default": "1"}, description="可兑换数量/时长等")
     code: str = Field(unique=True, index=True, description="兑换码，唯一")
-    used: bool = Field(default=False, sa_column_kwargs={"server_default": text("false")}, description="是否已使用")
-    created_at: Optional[datetime] = Field(
-        default=None,
-        sa_column=Column(
-            DateTime,
-            nullable=False,
-            server_default=func.now(),
-            comment="创建时间",
-        ),
-    )
-
-    updated_at: Optional[datetime] = Field(
-        default=None,
-        sa_column=Column(
-            DateTime,
-            nullable=False,
-            server_default=func.now(),
-            onupdate=func.now(),
-            comment="更新时间",
-        ),
-    )
+    used: bool = Field(default=False, sa_column_kwargs={"server_default": text("false")}, description="是否已使用")