106 lines
3.4 KiB
Python
106 lines
3.4 KiB
Python
# my_project/models/group.py
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from typing import Optional, List, TYPE_CHECKING
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from sqlmodel import Field, Relationship, text, Column, func, DateTime
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from .base import BaseModel
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from datetime import datetime
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if TYPE_CHECKING:
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from .user import User
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class Group(BaseModel, table=True):
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__tablename__ = 'groups'
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name: str = Field(max_length=255, unique=True, description="用户组名")
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policies: Optional[str] = Field(default=None, max_length=255, description="允许的策略ID列表，逗号分隔")
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max_storage: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="最大存储空间（字节）")
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share_enabled: bool = Field(default=False, sa_column_kwargs={"server_default": text("false")}, description="是否允许创建分享")
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web_dav_enabled: bool = Field(default=False, sa_column_kwargs={"server_default": text("false")}, description="是否允许使用WebDAV")
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speed_limit: int = Field(default=0, sa_column_kwargs={"server_default": "0"}, description="速度限制 (KB/s), 0为不限制")
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options: Optional[str] = Field(default=None, description="其他选项 (JSON格式)")
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created_at: Optional[datetime] = Field(
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default=None,
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sa_column=Column(
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DateTime,
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nullable=False,
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server_default=func.now(),
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comment="创建时间",
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),
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)
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updated_at: Optional[datetime] = Field(
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default=None,
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sa_column=Column(
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DateTime,
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nullable=False,
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server_default=func.now(),
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onupdate=func.now(),
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comment="更新时间",
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),
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)
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# 关系：一个组可以有多个用户
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users: List["User"] = Relationship(
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back_populates="group",
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sa_relationship_kwargs={"foreign_keys": "User.group_id"}
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)
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previous_users: List["User"] = Relationship(
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back_populates="previous_group",
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sa_relationship_kwargs={"foreign_keys": "User.previous_group_id"}
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)
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@staticmethod
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async def create(
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group: "Group"
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) -> "Group":
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"""
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向数据库内添加用户组。
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:param group: 用户组对象
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:type group: Group
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:return: 新创建的用户组对象
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:rtype: Group
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"""
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from .database import get_session
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async for session in get_session():
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try:
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session.add(group)
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await session.commit()
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await session.refresh(group)
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except Exception as e:
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await session.rollback()
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raise e
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return group
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@staticmethod
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async def get(
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id: int = None
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) -> Optional["Group"]:
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"""
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获取用户组信息。
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:param id: 用户组ID，默认为 None
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:type id: int
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:return: 用户组对象或 None
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:rtype: Optional[Group]
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"""
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from .database import get_session
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from sqlmodel import select
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session = get_session()
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if id is None:
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return None
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async for session in get_session():
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statement = select(Group).where(Group.id == id)
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result = await session.exec(statement)
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group = result.one_or_none()
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if group:
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return group
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else:
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return None |