"""
Dependency injection container for Amplenote MCP Server.
This module sets up the application's dependency injection container using
dependency-injector. It defines all the application's dependencies and their
relationships, making the application testable and following IoC principles.
"""
from dependency_injector import containers, providers
from .config import Settings
from .database import DatabaseConnection
from .notes import NotesService
from .tasks import TasksService
from .mcp_app import MCPApp
class Container(containers.DeclarativeContainer):
"""
Application dependency injection container.
This container manages all dependencies and their lifecycle. It provides:
- Configuration management
- Database connection factory
- Service layer instances (Notes, Tasks)
Usage:
container = Container()
notes_service = container.notes_service()
tasks_service = container.tasks_service()
"""
# Configuration
config = providers.Configuration()
# Settings provider
settings = providers.Singleton(
Settings,
)
# Database connection factory
db_connection = providers.Factory(
DatabaseConnection,
settings=settings,
)
# Service layer
notes_service = providers.Factory(
NotesService,
db_connection=db_connection,
)
tasks_service = providers.Factory(
TasksService,
db_connection=db_connection,
)
mcp_app = providers.Factory(
MCPApp,
notes_service,
tasks_service,
)
