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67 lines
2.8 KiB
Python

"""Data models for authenticated users and issued API sessions."""
import uuid
from datetime import UTC, datetime
from enum import Enum
from sqlalchemy import Boolean, DateTime, Enum as SqlEnum, ForeignKey, String
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.db.base import Base
class UserRole(str, Enum):
"""Declares authorization roles used for API route access control."""
ADMIN = "admin"
USER = "user"
class AppUser(Base):
"""Stores one authenticatable user account with role-bound authorization."""
__tablename__ = "app_users"
id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
username: Mapped[str] = mapped_column(String(128), nullable=False, unique=True, index=True)
password_hash: Mapped[str] = mapped_column(String(512), nullable=False)
role: Mapped[UserRole] = mapped_column(SqlEnum(UserRole), nullable=False, default=UserRole.USER)
is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(UTC))
updated_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
nullable=False,
default=lambda: datetime.now(UTC),
onupdate=lambda: datetime.now(UTC),
)
sessions: Mapped[list["AuthSession"]] = relationship(
"AuthSession",
back_populates="user",
cascade="all, delete-orphan",
)
class AuthSession(Base):
"""Stores one issued bearer session token for a specific authenticated user."""
__tablename__ = "auth_sessions"
id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("app_users.id", ondelete="CASCADE"), nullable=False, index=True)
token_hash: Mapped[str] = mapped_column(String(128), nullable=False, unique=True, index=True)
expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
revoked_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
user_agent: Mapped[str | None] = mapped_column(String(512), nullable=True)
ip_address: Mapped[str | None] = mapped_column(String(64), nullable=True)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(UTC))
updated_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
nullable=False,
default=lambda: datetime.now(UTC),
onupdate=lambda: datetime.now(UTC),
)
user: Mapped[AppUser] = relationship("AppUser", back_populates="sessions")