alembic/env.py

# Alembic env.py - Migration environment configuration
from logging.config import fileConfig
from sqlalchemy import create_engine
from alembic import context

# Add app to path
import sys
import os
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

# Load app settings
from app.config import get_settings
from app.database import Base

# Import all models so they register with Base.metadata
from app.auth import models  # noqa: F401
from app.reports import models as report_models  # noqa: F401

# this is the Alembic Config object
config = context.config

# Interpret the config file for Python logging
if config.config_file_name is not None:
    fileConfig(config.config_file_name)

# Set target metadata
target_metadata = Base.metadata

# Load database URL from app settings
settings = get_settings()
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://")
config.set_main_option("sqlalchemy.url", db_url)


def run_migrations_offline() -> None:
    """Run migrations in 'offline' mode."""
    url = config.get_main_option("sqlalchemy.url")
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
    )

    with context.begin_transaction():
        context.run_migrations()


def run_migrations_online() -> None:
    """Run migrations in 'online' mode."""
    connectable = create_engine(config.get_main_option("sqlalchemy.url"))

    with connectable.connect() as connection:
        context.configure(
            connection=connection, target_metadata=target_metadata
        )

        with context.begin_transaction():
            context.run_migrations()


if context.is_offline_mode():
    run_migrations_offline()
else:
    run_migrations_online()