import secrets from typing import Optional, Tuple from flask import current_app from fittrackee import bcrypt, db from ..exceptions import InvalidEmailException, UserNotFoundException from ..models import User from ..utils.controls import is_valid_email class UserManagerService: def __init__(self, username: str): self.username = username def _get_user(self) -> User: user = User.query.filter_by(username=self.username).first() if not user: raise UserNotFoundException() return user def _update_admin_rights(self, user: User, is_admin: bool) -> None: user.admin = is_admin if is_admin: self._activate_user(user) @staticmethod def _activate_user(user: User) -> None: user.is_active = True user.confirmation_token = None @staticmethod def _reset_user_password(user: User) -> str: new_password = secrets.token_urlsafe(30) user.password = bcrypt.generate_password_hash( new_password, current_app.config.get('BCRYPT_LOG_ROUNDS') ).decode() return new_password @staticmethod def _update_user_email( user: User, new_email: str, with_confirmation: bool ) -> None: if not is_valid_email(new_email): raise InvalidEmailException('valid email must be provided') if user.email == new_email: raise InvalidEmailException( 'new email must be different than curent email' ) if with_confirmation: user.email_to_confirm = new_email user.confirmation_token = secrets.token_urlsafe(30) else: user.email = new_email def update( self, is_admin: Optional[bool] = None, activate: bool = False, reset_password: bool = False, new_email: Optional[str] = None, with_confirmation: bool = True, ) -> Tuple[User, bool, Optional[str]]: user_updated = False new_password = None user = self._get_user() if is_admin is not None: self._update_admin_rights(user, is_admin) user_updated = True if activate: self._activate_user(user) user_updated = True if reset_password: new_password = self._reset_user_password(user) user_updated = True if new_email is not None: self._update_user_email(user, new_email, with_confirmation) user_updated = True db.session.commit() return user, user_updated, new_password