Files
homelable/backend/app/db/database.py
T
Pouzor 3afc8ed3d8 fix: persist edge waypoints in backend
Add waypoints JSON column to edges table, include it in all edge
schemas (EdgeBase, EdgeUpdate, canvas CanvasEdge) and add the
idempotent ALTER TABLE migration so existing databases are upgraded
on next startup.
2026-04-08 23:31:53 +02:00

77 lines
3.8 KiB
Python

from collections.abc import AsyncGenerator
from contextlib import suppress
from pathlib import Path
from sqlalchemy.exc import OperationalError
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from sqlalchemy.orm import DeclarativeBase
from app.core.config import settings
# Ensure the data directory exists before SQLite tries to open the file
Path(settings.sqlite_path).parent.mkdir(parents=True, exist_ok=True)
engine = create_async_engine(
f"sqlite+aiosqlite:///{settings.sqlite_path}",
echo=False,
)
AsyncSessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
class Base(DeclarativeBase):
pass
async def init_db() -> None:
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
# Add columns introduced after initial schema (idempotent)
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN container_mode BOOLEAN NOT NULL DEFAULT 0")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN custom_colors JSON")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN custom_color TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN path_style TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN custom_icon TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN source_handle TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN target_handle TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN animated BOOLEAN NOT NULL DEFAULT 0")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN cpu_count INTEGER")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN cpu_model TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN ram_gb REAL")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN disk_gb REAL")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN show_hardware BOOLEAN NOT NULL DEFAULT 0")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN width REAL")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN height REAL")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE nodes ADD COLUMN bottom_handles INTEGER NOT NULL DEFAULT 1")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE pending_devices ADD COLUMN discovery_source TEXT")
with suppress(OperationalError):
await conn.exec_driver_sql("ALTER TABLE edges ADD COLUMN waypoints JSON")
# Migrate animated column from boolean (0/1) to string ('none'/'snake')
with suppress(OperationalError):
await conn.exec_driver_sql("UPDATE edges SET animated = 'snake' WHERE animated = '1' OR animated = 1")
with suppress(OperationalError):
sql = "UPDATE edges SET animated = 'none' WHERE animated = '0' OR animated = 0 OR animated IS NULL"
await conn.exec_driver_sql(sql)
async def get_db() -> AsyncGenerator[AsyncSession, None]:
async with AsyncSessionLocal() as session:
yield session