feat: first commit, auth

db/models/sessions.py

@@ -0,0 +1,29 @@
+from datetime import datetime
+from typing import TYPE_CHECKING
+
+from sqlalchemy import BOOLEAN, INTEGER, TEXT, ForeignKey, func
+from sqlalchemy.dialects.postgresql import TIMESTAMP
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from db.base import Base
+
+if TYPE_CHECKING:
+    from db.models.users import User
+
+
+class Session(Base):
+    __tablename__ = "sessions"
+
+    id: Mapped[int] = mapped_column(
+        INTEGER, unique=True, autoincrement=True, nullable=False, primary_key=True
+    )
+    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False)
+    refresh_token_hash: Mapped[str] = mapped_column(TEXT, nullable=False)
+
+    source: Mapped[str] = mapped_column(TEXT, nullable=False)
+    created_at: Mapped[datetime] = mapped_column(TIMESTAMP, default=func.now())
+
+    is_revoked: Mapped[bool] = mapped_column(BOOLEAN, default=False)
+    revoked_at: Mapped[datetime] = mapped_column(TIMESTAMP, nullable=True)
+
+    user: Mapped["User"] = relationship(back_populates="sessions", lazy="selectin")