Add basic User type

from typing import Optional, Sequence, Self

from sqlalchemy.orm import Mapped, mapped_column

from portal import db

from portal.model.Base import Base

class User(Base):

    name: Mapped[str] = mapped_column(unique=True, index=True)

    def __init__(self, name: str) -> None:

        self.name = name

    @classmethod

    def get_by_name(cls, name: str) -> Optional[Self]:

        """Return the user with the given name, if they exist."""

        return db.session.execute(

            db.select(cls).where(cls.name == name)

        ).scalar_one_or_none()

    @property

    def keys(self) -> Sequence["Key"]:

        """

        Get all keys created by this user

        """

        return (

            db.session.execute(db.select(Key).where(Key.user_uuid == self.uuid))

            .scalars()

            .all()

        )

    def delete_keys(self) -> None:

        """

        Delete all keys created by this user

        """

        db.session.execute(db.delete(Key).where(Key.user_uuid == self.uuid))

        db.session.commit()

    def to_dict(self) -> dict[str, str]:

        return {"uuid": self.uuid, "name": self.name}

from portal.model.Key import Key