172 lines
4.7 KiB
Python
172 lines
4.7 KiB
Python
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from typing import TYPE_CHECKING
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from uuid import UUID
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from sqlmodel import Field, Relationship, text
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from .base import SQLModelBase
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from .mixin import TableBaseMixin, UUIDTableBaseMixin
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if TYPE_CHECKING:
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from .user import User
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from .policy import Policy
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# ==================== Base 模型 ====================
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class GroupBase(SQLModelBase):
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"""用户组基础字段，供数据库模型和 DTO 共享"""
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name: str
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"""用户组名称"""
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class GroupOptionsBase(SQLModelBase):
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"""用户组选项基础字段，供数据库模型和 DTO 共享"""
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share_download: bool = False
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"""是否允许分享下载"""
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share_free: bool = False
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"""是否免积分获取需要积分的内容"""
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relocate: bool = False
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"""是否允许文件重定位"""
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source_batch: int = 0
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"""批量获取源地址数量"""
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select_node: bool = False
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"""是否允许选择节点"""
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advance_delete: bool = False
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"""是否允许高级删除"""
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# ==================== DTO 模型 ====================
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class GroupResponse(GroupBase, GroupOptionsBase):
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"""用户组响应 DTO"""
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id: UUID
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"""用户组UUID"""
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allow_share: bool = False
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"""是否允许分享"""
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allow_remote_download: bool = False
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"""是否允许离线下载"""
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allow_archive_download: bool = False
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"""是否允许打包下载"""
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compress: bool = False
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"""是否允许压缩"""
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webdav: bool = False
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"""是否允许WebDAV"""
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allow_webdav_proxy: bool = False
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"""是否允许WebDAV代理"""
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# ==================== 数据库模型 ====================
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# GroupPolicyLink 定义在 policy.py 中以避免循环导入
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from .policy import GroupPolicyLink
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class GroupOptions(GroupOptionsBase, TableBaseMixin):
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"""用户组选项模型"""
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group_id: UUID = Field(
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foreign_key="group.id",
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unique=True,
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ondelete="CASCADE"
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)
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"""关联的用户组UUID"""
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archive_download: bool = False
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"""是否允许打包下载"""
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archive_task: bool = False
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"""是否允许创建打包任务"""
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webdav_proxy: bool = False
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"""是否允许WebDAV代理"""
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aria2: bool = False
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"""是否允许使用aria2"""
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redirected_source: bool = False
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"""是否使用重定向源"""
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# 反向关系
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group: "Group" = Relationship(back_populates="options")
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class Group(GroupBase, UUIDTableBaseMixin):
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"""用户组模型"""
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name: str = Field(max_length=255, unique=True)
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"""用户组名"""
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max_storage: int = Field(default=0, sa_column_kwargs={"server_default": "0"})
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"""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")})
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"""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")})
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"""是否允许使用WebDAV"""
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admin: bool = False
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"""是否为管理员组"""
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speed_limit: int = Field(default=0, sa_column_kwargs={"server_default": "0"})
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"""速度限制 (KB/s), 0为不限制"""
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# 一对一关系：用户组选项
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options: GroupOptions | None = Relationship(
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back_populates="group",
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sa_relationship_kwargs={"uselist": False, "cascade": "all, delete-orphan"}
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)
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# 多对多关系：用户组可以关联多个存储策略
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policies: list["Policy"] = Relationship(
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back_populates="groups",
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link_model=GroupPolicyLink,
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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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"""当前属于该组的用户列表"""
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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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"""之前属于该组的用户列表（用于过期后恢复）"""
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def to_response(self) -> "GroupResponse":
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"""转换为响应 DTO"""
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opts = self.options
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return GroupResponse(
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id=self.id,
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name=self.name,
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allow_share=self.share_enabled,
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webdav=self.web_dav_enabled,
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share_download=opts.share_download if opts else False,
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share_free=opts.share_free if opts else False,
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relocate=opts.relocate if opts else False,
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source_batch=opts.source_batch if opts else 0,
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select_node=opts.select_node if opts else False,
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advance_delete=opts.advance_delete if opts else False,
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allow_remote_download=opts.aria2 if opts else False,
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allow_archive_download=opts.archive_download if opts else False,
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allow_webdav_proxy=opts.webdav_proxy if opts else False,
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)
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