重构数据库创建部分

model/object.py

@@ -0,0 +1,48 @@
+# my_project/models/download.py
+
+from typing import Literal, Optional, TYPE_CHECKING
+from sqlmodel import Field, Column, SQLModel, String, DateTime
+from .base import BaseModel
+from datetime import datetime
+
+from .base import BaseModel
+
+"""
+原建表语句：
+
+CREATE TABLE IF NOT EXISTS fr_objects (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    key TEXT NOT NULL,
+    name TEXT NOT NULL,
+    icon TEXT,
+    status TEXT,
+    phone TEXT,
+    context TEXT,
+    find_ip TEXT,
+    create_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    lost_at TIMESTAMP
+"""
+
+if TYPE_CHECKING:
+    pass
+
+class Object(SQLModel, BaseModel, table=True):
+    __tablename__ = 'fr_objects'
+
+    key: str = Field(index=True, nullable=False, description="物品外部ID")
+    type: Literal['object', 'box'] = Field(
+        default='object', 
+        description="物品类型", 
+        sa_column=Column(String, default='object', nullable=False)
+    )
+    name: str = Field(nullable=False, description="物品名称")
+    icon: Optional[str] = Field(default=None, description="物品图标")
+    status: Optional[str] = Field(default=None, description="物品状态")
+    phone: Optional[str] = Field(default=None, description="联系电话")
+    context: Optional[str] = Field(default=None, description="物品描述")
+    find_ip: Optional[str] = Field(default=None, description="最后一次发现的IP地址")
+    lost_at: Optional[datetime] = Field(
+        default=None,
+        description="物品标记为丢失的时间",
+        sa_column=Column(DateTime, nullable=True)
+    )