A kind of initial commit

app/main.py

@@ -0,0 +1,70 @@
+from __future__ import annotations
+
+import asyncio
+from contextlib import asynccontextmanager
+
+import httpx
+from fastapi import FastAPI
+
+from app.api.routes import get_router
+from app.bot.telegram_bot import TelegramBotRunner
+from app.clients.lastfm import LastFmClient
+from app.clients.spotify import SpotifyClient
+from app.config import get_settings
+from app.db.session import create_engine, create_session_factory, init_db
+from app.runtime import AppRuntime
+from app.services.app_services import AppServices
+from app.services.playlist_job import PlaylistJobService
+from app.services.recommendation import RecommendationEngine
+from app.services.spotify_auth import SpotifyAuthService
+
+
+def create_app() -> FastAPI:
+    settings = get_settings()
+
+    @asynccontextmanager
+    async def lifespan(app: FastAPI):
+        engine = create_engine(settings)
+        session_factory = create_session_factory(engine)
+        await init_db(engine)
+
+        http_client = httpx.AsyncClient(headers={"User-Agent": "spotify-vibe-bot/1.0"})
+        spotify = SpotifyClient(settings, http_client)
+        lastfm = LastFmClient(settings.lastfm_api_key, http_client)
+        auth_service = SpotifyAuthService(settings, spotify, session_factory)
+        rec_engine = RecommendationEngine(settings, spotify, lastfm)
+        job_service = PlaylistJobService(settings, session_factory, auth_service, rec_engine, asyncio.Lock())
+        services = AppServices(auth=auth_service, recommendation=rec_engine, jobs=job_service)
+
+        runtime = AppRuntime(
+            settings=settings,
+            engine=engine,
+            session_factory=session_factory,
+            http_client=http_client,
+            spotify=spotify,
+            lastfm=lastfm,
+            generate_lock=job_service.generate_lock,
+        )
+        app.state.runtime = runtime
+        app.state.services = services
+
+        telegram_runner = TelegramBotRunner(
+            token=settings.telegram_bot_token,
+            session_factory=session_factory,
+            services=services,
+            app_base_url=settings.app_base_url,
+        )
+        runtime.telegram_runner = telegram_runner
+        job_service.set_notifier(telegram_runner.send_message)
+
+        await telegram_runner.start_polling()
+        try:
+            yield
+        finally:
+            await telegram_runner.stop()
+            await http_client.aclose()
+            await engine.dispose()
+
+    app = FastAPI(title="Spotify Vibe Bot", lifespan=lifespan)
+    app.include_router(get_router())
+    return app