chengkai3
75 lines
1.9 KiB
Python
75 lines
1.9 KiB
Python
from __future__ import annotations
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from typing import TYPE_CHECKING
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from sqlalchemy import ForeignKey, String
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from ..core.database import Base
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if TYPE_CHECKING:
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from .user import User
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class Role(Base):
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__tablename__ = "roles"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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code: Mapped[str] = mapped_column(String(64), unique=True, index=True)
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name: Mapped[str] = mapped_column(String(128))
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users: Mapped[list[User]] = relationship(
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"User",
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secondary="user_roles",
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back_populates="roles",
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lazy="selectin",
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)
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permissions: Mapped[list[Permission]] = relationship(
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"Permission",
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secondary="role_permissions",
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back_populates="roles",
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lazy="selectin",
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)
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class Permission(Base):
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__tablename__ = "permissions"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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code: Mapped[str] = mapped_column(String(64), unique=True, index=True)
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name: Mapped[str] = mapped_column(String(128))
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roles: Mapped[list[Role]] = relationship(
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"Role",
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secondary="role_permissions",
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back_populates="permissions",
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lazy="selectin",
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)
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class UserRole(Base):
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__tablename__ = "user_roles"
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user_id: Mapped[str] = mapped_column(
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String(36),
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ForeignKey("users.id", ondelete="CASCADE"),
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primary_key=True,
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)
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role_id: Mapped[int] = mapped_column(
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ForeignKey("roles.id", ondelete="CASCADE"),
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primary_key=True,
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)
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class RolePermission(Base):
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__tablename__ = "role_permissions"
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role_id: Mapped[int] = mapped_column(
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ForeignKey("roles.id", ondelete="CASCADE"),
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primary_key=True,
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)
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permission_id: Mapped[int] = mapped_column(
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ForeignKey("permissions.id", ondelete="CASCADE"),
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primary_key=True,
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)
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