数据库创建

models/task.py

@@ -0,0 +1,55 @@
+# my_project/models/task.py
+
+from typing import Optional, TYPE_CHECKING
+from sqlmodel import Field, Relationship, Column, func, DateTime
+from .base import BaseModel
+from datetime import datetime
+
+if TYPE_CHECKING:
+    from .user import User
+    from .download import Download
+
+class Task(BaseModel, table=True):
+    __tablename__ = 'tasks'
+
+    status: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="任务状态: 0=排队中, 1=处理中, 2=完成, 3=错误")
+    type: int = Field(description="任务类型")
+    progress: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="任务进度 (0-100)")
+    error: Optional[str] = Field(default=None, description="错误信息")
+    props: Optional[str] = Field(default=None, description="任务属性 (JSON格式)")
+    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",
+        ),
+    )
+    
+    delete_at: Optional[datetime] = Field(
+        default=None,
+        sa_column=Column(
+            DateTime,
+            nullable=True,
+            comment="删除时间",
+        ),
+    )
+    
+    # 外键
+    user_id: "int" = Field(foreign_key="users.id", index=True, description="所属用户ID")
+    
+    # 关系
+    user: "User" = Relationship(back_populates="tasks")
+    downloads: list["Download"] = Relationship(back_populates="task")