core/main.py
Stepan Vladovskiy f249752db5
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feat: moved txtai and search procedure in different instance
2025-03-12 12:06:09 -03:00

111 lines
3.7 KiB
Python

import asyncio
import os
import sys
from importlib import import_module
from os.path import exists
from ariadne import load_schema_from_path, make_executable_schema
from ariadne.asgi import GraphQL
from starlette.applications import Starlette
from starlette.middleware.cors import CORSMiddleware
from starlette.requests import Request
from starlette.responses import JSONResponse, Response
from starlette.routing import Route
from cache.precache import precache_data
from cache.revalidator import revalidation_manager
from services.exception import ExceptionHandlerMiddleware
from services.redis import redis
from services.schema import create_all_tables, resolvers
#from services.search import search_service
from services.search import search_service, initialize_search_index
from services.viewed import ViewedStorage
from services.webhook import WebhookEndpoint, create_webhook_endpoint
from settings import DEV_SERVER_PID_FILE_NAME, MODE
import_module("resolvers")
schema = make_executable_schema(load_schema_from_path("schema/"), resolvers)
async def start():
if MODE == "development":
if not exists(DEV_SERVER_PID_FILE_NAME):
# pid file management
with open(DEV_SERVER_PID_FILE_NAME, "w", encoding="utf-8") as f:
f.write(str(os.getpid()))
print(f"[main] process started in {MODE} mode")
async def check_search_service():
"""Check if search service is available and log result"""
info = await search_service.info()
if info.get("status") in ["error", "unavailable"]:
print(f"[WARNING] Search service unavailable: {info.get('message', 'unknown reason')}")
else:
print(f"[INFO] Search service is available: {info}")
async def lifespan(_app):
try:
create_all_tables()
await asyncio.gather(
redis.connect(),
precache_data(),
ViewedStorage.init(),
create_webhook_endpoint(),
check_search_service(),
start(),
revalidation_manager.start(),
)
# After basic initialization is complete, fetch shouts and initialize search
from services.db import fetch_all_shouts # Import your database access function
all_shouts = await fetch_all_shouts() # Replace with your actual function
await initialize_search_index(all_shouts)
yield
finally:
tasks = [redis.disconnect(), ViewedStorage.stop(), revalidation_manager.stop()]
await asyncio.gather(*tasks, return_exceptions=True)
# Создаем экземпляр GraphQL
graphql_app = GraphQL(schema, debug=True)
# Оборачиваем GraphQL-обработчик для лучшей обработки ошибок
async def graphql_handler(request: Request):
if request.method not in ["GET", "POST"]:
return JSONResponse({"error": "Method Not Allowed"}, status_code=405)
try:
result = await graphql_app.handle_request(request)
if isinstance(result, Response):
return result
return JSONResponse(result)
except asyncio.CancelledError:
return JSONResponse({"error": "Request cancelled"}, status_code=499)
except Exception as e:
print(f"GraphQL error: {str(e)}")
return JSONResponse({"error": str(e)}, status_code=500)
# Обновляем маршрут в Starlette
app = Starlette(
routes=[
Route("/", graphql_handler, methods=["GET", "POST"]),
Route("/new-author", WebhookEndpoint),
],
lifespan=lifespan,
debug=True,
)
app.add_middleware(ExceptionHandlerMiddleware)
if "dev" in sys.argv:
app.add_middleware(
CORSMiddleware,
allow_origins=["https://localhost:3000"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)