89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
"""User management service — framework-agnostic CRUD for users.
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Uses domain exceptions from app.domain.errors. The router handles
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HTTP concerns, auth, audit logging, and commit.
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"""
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from __future__ import annotations
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import uuid
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from sqlalchemy.orm import Session
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from app.auth import hash_password
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from app.domain.errors import BusinessRuleViolation, DuplicateEntityError, EntityNotFoundError
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from app.models.user import User
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VALID_ROLES = {"admin", "red_tech", "blue_tech", "red_lead", "blue_lead", "viewer"}
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def list_users(db: Session) -> list[User]:
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"""Return a list of all users ordered by username."""
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return db.query(User).order_by(User.username).all()
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def create_user(
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db: Session,
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*,
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username: str,
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email: str | None,
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password: str,
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role: str,
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) -> User:
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"""Create a new user.
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Raises DuplicateEntityError if username already exists.
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Raises BusinessRuleViolation if role is invalid.
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Does not commit; the router handles that.
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"""
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existing = db.query(User).filter(User.username == username).first()
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if existing:
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raise DuplicateEntityError("User", "username", username)
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if role not in VALID_ROLES:
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raise BusinessRuleViolation(
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f"Invalid role '{role}'. Must be one of: {', '.join(sorted(VALID_ROLES))}"
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)
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user = User(
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username=username,
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email=email,
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hashed_password=hash_password(password),
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role=role,
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)
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db.add(user)
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return user
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def get_user_or_raise(db: Session, user_id: uuid.UUID) -> User:
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"""Return a user by ID or raise EntityNotFoundError."""
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user = db.query(User).filter(User.id == user_id).first()
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if user is None:
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raise EntityNotFoundError("User", str(user_id))
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return user
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def update_user(db: Session, user_id: uuid.UUID, **fields: object) -> User:
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"""Update one or more fields of an existing user.
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Raises EntityNotFoundError if user does not exist.
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Raises BusinessRuleViolation if role is invalid.
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Handles 'password' by hashing and storing as 'hashed_password'.
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Does not commit; the router handles that.
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"""
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user = get_user_or_raise(db, user_id)
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update_data = dict(fields)
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if "role" in update_data and update_data["role"] not in VALID_ROLES:
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raise BusinessRuleViolation(
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f"Invalid role '{update_data['role']}'. Must be one of: {', '.join(sorted(VALID_ROLES))}"
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)
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if "password" in update_data:
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update_data["hashed_password"] = hash_password(str(update_data.pop("password")))
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for field, value in update_data.items():
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setattr(user, field, value)
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return user
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