Files
ds-chat/backend/app/services/auth_service.py
T
ksmithandClaude Sonnet 5 bd3e621e9f Support multiple named, saved custom themes per user
Replaces the single custom_theme_colors blob (one palette per user) with
a proper CustomTheme table -- users can now save, name, and switch
between as many custom palettes as they like, not just one.

Data model: users.active_custom_theme_id references whichever saved
CustomTheme (if any) is currently active; theme='custom' + that id
together determine what's rendered. The migration data-migrates any
already-saved single palette into a named CustomTheme row on upgrade,
and best-effort backfills the active one back into the old column shape
on downgrade.

New endpoints under /api/custom-themes: list, create, rename/recolor,
delete (falls back the user to a preset if the deleted theme was
active, so the two theme columns can never disagree), and activate.
UserRead.active_custom_theme is only populated when theme == 'custom'
even though the DB deliberately keeps the id set while a preset is
active, so switching to a preset and back doesn't lose the saved
palette.

ProfileModal now lists saved themes as swatches (click to activate,
pencil to edit -- active or not, trash to delete with a confirm), plus
a "+ New" button that creates, activates, and opens the editor for a
fresh theme immediately.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-17 07:53:05 -06:00

54 lines
1.4 KiB
Python

from sqlalchemy import or_, select
from sqlalchemy.exc import IntegrityError
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import selectinload
from app.models import User
from app.schemas.user import UserCreate
from app.security import hash_password, verify_password
class DuplicateUserError(Exception):
pass
class InvalidCredentialsError(Exception):
pass
class AccountDeactivatedError(Exception):
pass
async def register_user(db: AsyncSession, data: UserCreate) -> User:
user = User(
username=data.username,
email=data.email,
password_hash=hash_password(data.password),
)
db.add(user)
try:
await db.commit()
except IntegrityError as exc:
await db.rollback()
raise DuplicateUserError() from exc
await db.refresh(user)
return user
async def authenticate_user(
db: AsyncSession, username_or_email: str, password: str
) -> User:
result = await db.execute(
select(User)
.where(or_(User.username == username_or_email, User.email == username_or_email))
.options(selectinload(User.active_custom_theme))
)
user = result.scalar_one_or_none()
if user is None or not verify_password(password, user.password_hash):
raise InvalidCredentialsError()
if not user.is_active:
raise AccountDeactivatedError()
return user