Files
voicebox/backend/services/effects.py
T
Jamie Pine b434db22f6 chore(backend): repair test suite and bring ruff to green
The suite hadn't run green since the routes refactor:
- test_profile_duplicate_names.py imported the pre-refactor module
  layout and broke collection; now imports backend.services.profiles
- tests/conftest.py puts the repo root and backend dir on sys.path so
  files collect standalone instead of depending on run order
- test_cors.py tested a hand-copied mirror of the origin list that had
  drifted from app.py (missing http://tauri.localhost); it now builds
  the app via the real create_app() factory
- test_progress.py simulated a 1KB download, below the tracker's 1MB
  reporting threshold; simulation raised to 5MB
- slow/timeout markers registered in pyproject

Ruff: ~900 violations auto-fixed (typing modernization, import
sorting, unused imports, whitespace). The remaining rules are baselined
in pyproject.toml with per-rule counts to burn down, plus per-file
carve-outs for deliberate env-before-import ordering. ruff check is
now clean; suite is 134 passed, 2 skipped.
2026-07-26 23:16:09 -07:00

119 lines
3.6 KiB
Python

"""
Effect presets CRUD operations.
"""
from __future__ import annotations
import json
import uuid
from sqlalchemy.exc import IntegrityError
from sqlalchemy.orm import Session
from ..database import EffectPreset as DBEffectPreset
from ..models import EffectConfig, EffectPresetCreate, EffectPresetResponse, EffectPresetUpdate
from ..utils.effects import validate_effects_chain
def _preset_response(p: DBEffectPreset) -> EffectPresetResponse:
"""Convert a DB preset row to a Pydantic response."""
effects_chain = [EffectConfig(**e) for e in json.loads(p.effects_chain)]
return EffectPresetResponse(
id=p.id,
name=p.name,
description=p.description,
effects_chain=effects_chain,
is_builtin=p.is_builtin or False,
created_at=p.created_at,
)
def list_presets(db: Session) -> list[EffectPresetResponse]:
"""List all effect presets (built-in + user-created)."""
presets = db.query(DBEffectPreset).order_by(DBEffectPreset.sort_order, DBEffectPreset.name).all()
return [_preset_response(p) for p in presets]
def get_preset(preset_id: str, db: Session) -> EffectPresetResponse | None:
"""Get a preset by ID."""
p = db.query(DBEffectPreset).filter_by(id=preset_id).first()
if not p:
return None
return _preset_response(p)
def get_preset_by_name(name: str, db: Session) -> EffectPresetResponse | None:
"""Get a preset by name."""
p = db.query(DBEffectPreset).filter_by(name=name).first()
if not p:
return None
return _preset_response(p)
def create_preset(data: EffectPresetCreate, db: Session) -> EffectPresetResponse:
"""Create a new user effect preset."""
chain_dicts = [e.model_dump() for e in data.effects_chain]
error = validate_effects_chain(chain_dicts)
if error:
raise ValueError(error)
# Check for duplicate name before insert
existing = db.query(DBEffectPreset).filter_by(name=data.name).first()
if existing:
raise ValueError(f"A preset named '{data.name}' already exists")
preset = DBEffectPreset(
id=str(uuid.uuid4()),
name=data.name,
description=data.description,
effects_chain=json.dumps(chain_dicts),
is_builtin=False,
)
db.add(preset)
try:
db.commit()
except IntegrityError:
db.rollback()
raise ValueError(f"A preset named '{data.name}' already exists")
db.refresh(preset)
return _preset_response(preset)
def update_preset(preset_id: str, data: EffectPresetUpdate, db: Session) -> EffectPresetResponse | None:
"""Update a user effect preset. Cannot modify built-in presets."""
preset = db.query(DBEffectPreset).filter_by(id=preset_id).first()
if not preset:
return None
if preset.is_builtin:
raise ValueError("Cannot modify built-in presets")
if data.name is not None:
preset.name = data.name
if data.description is not None:
preset.description = data.description
if data.effects_chain is not None:
chain_dicts = [e.model_dump() for e in data.effects_chain]
error = validate_effects_chain(chain_dicts)
if error:
raise ValueError(error)
preset.effects_chain = json.dumps(chain_dicts)
db.commit()
db.refresh(preset)
return _preset_response(preset)
def delete_preset(preset_id: str, db: Session) -> bool:
"""Delete a user effect preset. Cannot delete built-in presets."""
preset = db.query(DBEffectPreset).filter_by(id=preset_id).first()
if not preset:
return False
if preset.is_builtin:
raise ValueError("Cannot delete built-in presets")
db.delete(preset)
db.commit()
return True