Files
fquiz/api/app/core/database.py
T
2026-04-26 00:14:25 +08:00

98 lines
2.3 KiB
Python

from collections.abc import Generator
import logging
from typing import Any
from sqlalchemy import create_engine
from sqlalchemy.orm import DeclarativeBase, Session, sessionmaker
from .config import get_settings
settings = get_settings()
logger = logging.getLogger(__name__)
database_url = settings.resolved_database_url
connect_args: dict[str, Any] = {}
if database_url.startswith("sqlite"):
connect_args["check_same_thread"] = False
elif database_url.startswith("postgresql"):
schema = settings.resolved_db_schema
if schema:
connect_args["options"] = f"-csearch_path={schema}"
engine = create_engine(
database_url,
pool_pre_ping=True,
connect_args=connect_args,
)
SessionLocal = sessionmaker(
bind=engine,
autocommit=False,
autoflush=False,
expire_on_commit=False,
)
class Base(DeclarativeBase):
pass
def get_db() -> Generator[Session, None, None]:
db = SessionLocal()
try:
yield db
finally:
db.close()
def init_db() -> None:
# Import models so metadata includes every table before create_all.
from ..models import (
audit_log,
auth_session,
calendar_event,
chat,
diary,
file_storage,
hot_search,
life_countdown,
lightning_event,
lightning_sample,
line,
line_tower,
menu,
mermaid_diagram,
mind_map,
model_registry,
object_group,
question_bank,
rbac,
requirement,
system_param,
todo,
user,
vocabulary_word,
) # noqa: F401
from ..services.seed_service import seed_defaults
Base.metadata.create_all(bind=engine)
with SessionLocal() as db:
local_hosts = {"db", "localhost", "127.0.0.1", "::1"}
database_url = (settings.database_url or "").strip().lower()
database_url_targets_local = any(
token in database_url for token in ("@db:", "@localhost:", "@127.0.0.1:", "@[::1]:")
)
should_seed_defaults = (
settings.db_host.strip().lower() in local_hosts
or database_url_targets_local
)
if should_seed_defaults:
seed_defaults(db)
else:
logger.info(
"Skip seed defaults for non-local database target: host=%s",
settings.db_host,
)