src/ctp_slack_bot/containers.py

from dependency_injector.containers import DeclarativeContainer
from dependency_injector.providers import Factory, List, Singleton
from slack_bolt.async_app import AsyncApp

from ctp_slack_bot.core.config import Settings
from ctp_slack_bot.db.mongo_db import MongoDB
from ctp_slack_bot.db.repositories import MongoVectorizedChunkRepository
from ctp_slack_bot.services.answer_retrieval_service import AnswerRetrievalService
from ctp_slack_bot.services.content_ingestion_service import ContentIngestionService
from ctp_slack_bot.services.context_retrieval_service import ContextRetrievalService
from ctp_slack_bot.services.embeddings_model_service import EmbeddingsModelService
from ctp_slack_bot.services.event_brokerage_service import EventBrokerageService
from ctp_slack_bot.services.language_model_service import LanguageModelService
from ctp_slack_bot.services.question_dispatch_service import QuestionDispatchService
from ctp_slack_bot.services.slack_service import SlackService
from ctp_slack_bot.services.vector_database_service import VectorDatabaseService
from ctp_slack_bot.services.vectorization_service import VectorizationService


class Container(DeclarativeContainer):
    settings = Singleton(Settings)
    event_brokerage_service = Singleton(EventBrokerageService)
    slack_bolt_app = Factory(AsyncApp, token=settings.provided.SLACK_BOT_TOKEN().get_secret_value())
    mongo_db = Singleton(MongoDB, settings=settings) # TODO: generalize to any database.
    vectorized_chunk_repository = Singleton(
        MongoVectorizedChunkRepository,
        mongo_db=mongo_db
    )
    vector_database_service = Singleton(VectorDatabaseService, settings=settings, mongo_db=mongo_db)
    embeddings_model_service = Singleton(EmbeddingsModelService, settings=settings)
    vectorization_service = Singleton(VectorizationService, settings=settings, embeddings_model_service=embeddings_model_service)
    content_ingestion_service = Singleton(ContentIngestionService, settings=settings, event_brokerage_service=event_brokerage_service, vector_database_service=vector_database_service, vectorization_service=vectorization_service)
    context_retrieval_service = Singleton(ContextRetrievalService, settings=settings, vectorization_service=vectorization_service, vector_database_service=vector_database_service)
    language_model_service = Singleton(LanguageModelService, settings=settings)
    answer_retrieval_service = Singleton(AnswerRetrievalService, settings=settings, event_brokerage_service=event_brokerage_service, language_model_service=language_model_service)
    question_dispatch_service = Singleton(QuestionDispatchService, settings=settings, event_brokerage_service=event_brokerage_service, content_ingestion_service=content_ingestion_service, context_retrieval_service=context_retrieval_service, answer_retrieval_service=answer_retrieval_service)
    slack_service = Singleton(SlackService, event_brokerage_service=event_brokerage_service, slack_bolt_app=slack_bolt_app)
    primordial_services = List(settings, event_brokerage_service, slack_bolt_app, slack_service, vectorized_chunk_repository, question_dispatch_service, content_ingestion_service)