229 lines
7.7 KiB
Python
229 lines
7.7 KiB
Python
# my_project/models/group.py
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from tokenize import group
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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: Optional["Group"] = None,
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name: Optional[str] = None,
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policies: Optional[str] = None,
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max_storage: int = 0,
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share_enabled: bool = False,
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web_dav_enabled: bool = False,
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speed_limit: int = 0,
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options: Optional[dict] = None,
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) -> "Group":
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"""
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向数据库内添加用户组。如果提供了 `group` 参数，则使用该对象，否则创建一个新的用户组对象。
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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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import json
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if not group:
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if not name:
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raise ValueError("Group name is required.")
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group = Group(
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name=name,
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policies=policies,
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max_storage=max_storage,
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share_enabled=share_enabled,
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web_dav_enabled=web_dav_enabled,
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speed_limit=speed_limit,
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options=json.dumps(options) if options else None,
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)
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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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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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try:
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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
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except Exception as e:
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raise e
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@staticmethod
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async def set(
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id: int,
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name: Optional[str] = None,
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policies: Optional[str] = None,
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max_storage: Optional[int] = None,
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share_enabled: Optional[bool] = None,
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web_dav_enabled: Optional[bool] = None,
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speed_limit: Optional[int] = None,
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options: Optional[str] = None
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) -> Optional["Group"]:
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"""
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更新用户组信息。
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:param id: 用户组ID
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:type id: int
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:param name: 用户组名
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:type name: Optional[str]
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:param policies: 允许的策略ID列表，逗号分隔
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:type policies: Optional[str]
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:param max_storage: 最大存储空间（字节）
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:type max_storage: Optional[int]
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:param share_enabled: 是否允许创建分享
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:type share_enabled: Optional[bool]
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:param web_dav_enabled: 是否允许使用WebDAV
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:type web_dav_enabled: Optional[bool]
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:param speed_limit: 速度限制 (KB/s), 0为不限制
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:type speed_limit: Optional[int]
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:param options: 其他选项 (JSON格式)
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:type options: Optional[str]
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:return: 更新后的用户组对象或 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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async for session in get_session():
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try:
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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 not group:
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raise ValueError(f"Group with id {id} not found.")
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if name is not None:
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group.name = name
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if policies is not None:
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group.policies = policies
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if max_storage is not None:
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group.max_storage = max_storage
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if share_enabled is not None:
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group.share_enabled = share_enabled
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if web_dav_enabled is not None:
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group.web_dav_enabled = web_dav_enabled
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if speed_limit is not None:
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group.speed_limit = speed_limit
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if options is not None:
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group.options = options
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session.add(group)
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await session.commit()
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return 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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@staticmethod
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async def delete(
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id: int
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) -> None:
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"""
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删除用户组。
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:param id: 用户组ID
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:type id: int
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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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async for session in get_session():
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try:
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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 is None:
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raise ValueError(f"Group with id {id} not found.")
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await session.delete(group)
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await session.commit()
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except Exception as e:
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await session.rollback()
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raise e |