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"""
Database Initialization and Session Management
"""
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, Session
from contextlib import contextmanager
from config import config
from database.models import Base, Provider, ProviderStatusEnum
import logging
logger = logging.getLogger(__name__)
# Create engine
engine = create_engine(
config.DATABASE_URL,
connect_args={"check_same_thread": False} if "sqlite" in config.DATABASE_URL else {}
)
# Create session factory
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
def init_database():
"""Initialize database and populate providers"""
try:
# Create all tables
Base.metadata.create_all(bind=engine)
logger.info("Database tables created successfully")
# Populate providers from config
db = SessionLocal()
try:
for provider_config in config.PROVIDERS:
existing = db.query(Provider).filter(Provider.name == provider_config.name).first()
if not existing:
provider = Provider(
name=provider_config.name,
category=provider_config.category,
endpoint_url=provider_config.endpoint_url,
requires_key=provider_config.requires_key,
api_key_masked=mask_api_key(provider_config.api_key) if provider_config.api_key else None,
rate_limit_type=provider_config.rate_limit_type,
rate_limit_value=provider_config.rate_limit_value,
timeout_ms=provider_config.timeout_ms,
priority_tier=provider_config.priority_tier,
status=ProviderStatusEnum.UNKNOWN
)
db.add(provider)
db.commit()
logger.info(f"Initialized {len(config.PROVIDERS)} providers")
finally:
db.close()
except Exception as e:
logger.error(f"Database initialization failed: {e}")
raise
@contextmanager
def get_db() -> Session:
"""Get database session"""
db = SessionLocal()
try:
yield db
finally:
db.close()
def mask_api_key(key: str) -> str:
"""Mask API key showing only first 4 and last 4 characters"""
if not key or len(key) < 8:
return "****"
return f"{key[:4]}...{key[-4:]}"
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