core/services/search.py

import asyncio
import json
import logging
from typing import List

import aiohttp

from orm.shout import Shout  # Adjust the import as needed
from services.rediscache import redis  # Adjust the import as needed


class SearchService:
    lock = asyncio.Lock()

    @staticmethod
    async def init(session):
        async with SearchService.lock:
            logging.info("[services.search] Initializing SearchService")
            SearchService.cache = {}

    @staticmethod
    async def search(text, limit: int = 50, offset: int = 0) -> List[Shout]:
        cached = await redis.execute("GET", text)
        if not cached:
            async with SearchService.lock:
                # Use aiohttp to send a request to ElasticSearch
                async with aiohttp.ClientSession() as session:
                    search_url = f"https://search.discours.io/search?q={text}"
                    try:
                        async with session.get(search_url) as response:
                            if response.status == 200:
                                payload = await response.json()
                                await redis.execute("SET", text, json.dumps(payload))  # use redis as cache
                                return payload[offset : offset + limit]
                            else:
                                logging.error(f"[services.search] response: {response.status}  {await response.text()}")
                    except Exception as e:
                        logging.error(f"[services.search] error: {e}")
        else:
            return json.loads(cached)[offset : offset + limit]