78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
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import os
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from collections.abc import Iterable
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import yaml # type: ignore
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from dishka import Container, Provider, Scope, make_container, provide
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from sqlalchemy import Engine, create_engine
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from sqlalchemy.orm import Session, sessionmaker
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from flask_demo_api.config import Settings
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from flask_demo_api.protocols.repository import RepositoryGateway
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from flask_demo_api.repository.config import DBSettings
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from flask_demo_api.repository.repository import SqlalchemyRepositoryGateway
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from flask_demo_api.usecase.get_gender import GetGender
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def yaml_loader(file: str) -> dict[str, dict[str, str]]:
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with open(file) as f:
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yaml_data: dict = yaml.safe_load(f)
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return yaml_data
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class DBSettingsProvider(Provider):
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@provide(scope=Scope.APP)
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def db_settings(self) -> DBSettings:
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config_data = yaml_loader(
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file=os.getenv("CONFIG_PATH", "./config/api_config.yml"),
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)
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return DBSettings(
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pg_user=config_data["db"]["pg_user"],
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pg_pass=config_data["db"]["pg_pass"],
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pg_host=config_data["db"]["pg_host"],
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pg_port=int(config_data["db"]["pg_port"]),
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pg_db=config_data["db"]["pg_db"],
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)
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class SettingsProvider(Provider):
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@provide(scope=Scope.APP)
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def main_settings(self, db_settings: DBSettings) -> Settings:
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return Settings(db=db_settings)
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class SqlalchemyProvider(Provider):
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@provide(scope=Scope.APP)
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def provide_engine(self, config: Settings) -> Engine:
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return create_engine(config.db.get_db_url)
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@provide(scope=Scope.APP)
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def provide_sessionmaker(self, engine: Engine) -> sessionmaker[Session]:
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return sessionmaker(bind=engine, expire_on_commit=False, class_=Session)
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@provide(scope=Scope.REQUEST, provides=Session)
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def provide_session(self, sessionmaker: sessionmaker[Session]) -> Iterable[Session]:
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with sessionmaker() as session:
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yield session
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class RepositoryProvider(Provider):
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@provide(scope=Scope.REQUEST)
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def provide_repository(self, session: Session) -> RepositoryGateway:
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return SqlalchemyRepositoryGateway(session=session)
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class UseCasesProvider(Provider):
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scope = Scope.REQUEST
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get = provide(GetGender)
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def create_container() -> Container:
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return make_container(
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DBSettingsProvider(),
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SettingsProvider(),
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SqlalchemyProvider(),
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RepositoryProvider(),
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UseCasesProvider(),
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)
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