service_man/api/app_builder/dependencies.py

from fastapi import FastAPI
from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, async_sessionmaker

from api.application.abstractions.uow import UnitOfWork
from api.application.protocols.date_time import DateTimeProvider
from api.application.protocols.password_hasher import PasswordHasher
from api.application.usecase.auth.create_user import CreateUser
from api.domain.user.repository import UserRepository
from api.infrastructure.dependencies.adapters import (
    create_engine,
    create_session_maker,
    new_session,
    new_unit_of_work,
)
from api.infrastructure.dependencies.configs import app_settings
from api.infrastructure.dependencies.protocols import (
    get_date_time_provider,
    get_password_hasher,
)
from api.infrastructure.dependencies.repositories import get_user_repository
from api.infrastructure.dependencies.usecases import provide_create_user
from api.infrastructure.settings import Settings


def init_dependencies(app: FastAPI) -> None:
    app.dependency_overrides[Settings] = app_settings

    app.dependency_overrides[AsyncEngine] = create_engine
    app.dependency_overrides[async_sessionmaker[AsyncSession]] = create_session_maker
    app.dependency_overrides[AsyncSession] = new_session

    app.dependency_overrides[UnitOfWork] = new_unit_of_work

    app.dependency_overrides[DateTimeProvider] = get_date_time_provider
    app.dependency_overrides[PasswordHasher] = get_password_hasher

    app.dependency_overrides[UserRepository] = get_user_repository

    app.dependency_overrides[CreateUser] = provide_create_user