数据库创建

models/file.py

@@ -0,0 +1,53 @@
+# my_project/models/file.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 .folder import Folder
+    from .policy import Policy
+    from .source_link import SourceLink
+
+class File(BaseModel, table=True):
+    __tablename__ = 'files'
+
+    name: str = Field(max_length=255, description="文件名")
+    source_name: Optional[str] = Field(default=None, description="源文件名")
+    size: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="文件大小（字节）")
+    pic_info: Optional[str] = Field(default=None, max_length=255, description="图片信息（如尺寸）")
+    upload_session_id: Optional[str] = Field(default=None, max_length=255, unique=True, index=True, description="分块上传会话ID")
+    file_metadata: Optional[str] = Field(default=None, description="文件元数据 (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",
+        ),
+    )
+    
+    # 外键
+    user_id: int = Field(foreign_key="users.id", index=True, description="所属用户ID")
+    folder_id: int = Field(foreign_key="folders.id", index=True, description="所在目录ID")
+    policy_id: int = Field(foreign_key="policies.id", index=True, description="所属存储策略ID")
+    
+    # 关系
+    user: list["User"] = Relationship(back_populates="files")
+    folder: list["Folder"] = Relationship(back_populates="files")
+    policy: list["Policy"] = Relationship(back_populates="files")
+    source_links: list["SourceLink"] = Relationship(back_populates="file")