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83bdb4a e374786 83bdb4a e374786 83bdb4a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
from sqlalchemy.orm import DeclarativeBase
from app.config import get_settings
settings = get_settings()
# Normalizar la URL de base de datos para asegurar el uso del driver asincrónico asyncpg
db_url = settings.database_url or "sqlite+aiosqlite:///./crowdata.db"
if db_url:
if db_url.startswith("postgresql://"):
db_url = db_url.replace("postgresql://", "postgresql+asyncpg://", 1)
elif db_url.startswith("postgres://"):
db_url = db_url.replace("postgres://", "postgresql+asyncpg://", 1)
# asyncpg no soporta 'sslmode=require', requiere 'ssl=require'
if "sslmode=" in db_url:
db_url = db_url.replace("sslmode=require", "ssl=require")
db_url = db_url.replace("sslmode=disable", "ssl=disable")
engine_kwargs = {
"echo": settings.debug,
"pool_pre_ping": True,
}
if db_url.startswith("postgresql"):
engine_kwargs["pool_size"] = settings.db_pool_size
engine_kwargs["max_overflow"] = settings.db_max_overflow
engine = create_async_engine(
db_url,
**engine_kwargs
)
AsyncSessionLocal = async_sessionmaker(
engine,
class_=AsyncSession,
expire_on_commit=False,
)
class Base(DeclarativeBase):
pass
async def get_db():
async with AsyncSessionLocal() as session:
try:
yield session
await session.commit()
except Exception:
await session.rollback()
raise
finally:
await session.close()
async def init_db():
from app.auth.models import User # noqa: F401 - ensure models are loaded
from app.reports.models import ReportCache # noqa: F401
# Use Alembic for migrations instead of create_all
from alembic.config import Config
from alembic import command
import os
# Find alembic.ini (could be in backend dir)
alembic_ini = os.path.join(os.path.dirname(__file__), '..', 'alembic.ini')
try:
alembic_cfg = Config(alembic_ini)
# Use the existing database URL from settings
from app.config import get_settings
settings = get_settings()
# Normalize for synchronous alembic
db_url = settings.database_url
if db_url.startswith("sqlite+aiosqlite://"):
db_url = db_url.replace("sqlite+aiosqlite://", "sqlite://")
elif db_url.startswith("postgresql+asyncpg://"):
db_url = db_url.replace("postgresql+asyncpg://", "postgresql://")
alembic_cfg.set_main_option("sqlalchemy.url", db_url)
command.upgrade(alembic_cfg, "head")
except Exception as e:
import logging
logging.getLogger("app.database").warning(f"Error running migrations: {e}")
# Fallback to create_all for dev environments
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
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