Change how services are provided so that they don't go via "extensions"

src/main.py

@@ -1,8 +1,10 @@
 #!/usr/bin/env python
 
 from src.services.notifications import NotificationService, get_notification_service
-from src.services.email import get_service as get_email_service
+from src.services.email import EmailService, get_email_service
-from src.services.users import get_service as get_user_service
+from src.services.auth import AuthService
+from src.services.users import UserService
+from dataclasses import dataclass
 from src.infra.db import get_database
 from src.infra.users import UserRepoImpl
 from waitress import serve
@@ -15,20 +17,31 @@ from src.config import parse_config, Config
 logger = logging.getLogger(__name__)
 
 
+@dataclass
+class AppServices:
+    users: UserService
+    auth: AuthService
+    email: EmailService
+    notifications: NotificationService
+
+
+class MyFlask(Flask):
+    services: AppServices
+
+
 def create_app(name: str, config: Config) -> Flask:
     logging.basicConfig(level=config.logging.level, format=('%(asctime)s %(levelname)s [%(name)s] %(message)s'))
 
-    app = Flask(name)
+    app = MyFlask(name)
-
-    email_service = get_email_service(config.email)
-    notification_service = make_notification_service(email_service)
     database = get_database(config.database)
     user_repo = UserRepoImpl(database)
-    user_service = get_user_service(user_repo)
+    email_service = get_email_service(config.email)
-
+    app.services = AppServices(
-    app.extensions['email'] = email_service
+        users=UserService(user_repo),
-    app.extensions['notifications'] = notification_service
+        auth=AuthService(config.auth),
-    app.extensions['user_service'] = user_service
+        email=email_service,
+        notifications=get_notification_service(email_service),
+    )
 
     if config.host:
         app.config['SERVER_NAME'] = config.host

src/services/email.py

@@ -42,5 +42,5 @@ class BirdEmailServiceImpl(EmailService):
         return response.ok
 
 
-def get_service(config: EmailConfig) -> EmailService:
+def get_email_service(config: EmailConfig) -> EmailService:
     return BirdEmailServiceImpl(config)

src/services/users.py

@@ -96,7 +96,3 @@ class UserService:
         user = self._repo.get_user_by_id(user_id)
         if user:
             return user.to_profile()
-
-
-def get_service(repo: UserRepo) -> UserService:
-    return UserService(repo)