google_pse.py

import json
import logging
from typing import List
import requests

from apps.rag.search.main import SearchResult, filter_by_whitelist
from config import SRC_LOG_LEVELS

log = logging.getLogger(__name__)
log.setLevel(SRC_LOG_LEVELS["RAG"])


def search_google_pse(
    api_key: str, search_engine_id: str, query: str, count: int, whitelist:List[str]
) -> list[SearchResult]:
    """Search using Google's Programmable Search Engine API and return the results as a list of SearchResult objects.

    Args:
        api_key (str): A Programmable Search Engine API key
        search_engine_id (str): A Programmable Search Engine ID
        query (str): The query to search for
    """
    url = "https://www.googleapis.com/customsearch/v1"

    headers = {"Content-Type": "application/json"}
    params = {
        "cx": search_engine_id,
        "q": query,
        "key": api_key,
        "num": count,
    }

    response = requests.request("GET", url, headers=headers, params=params)
    response.raise_for_status()

    json_response = response.json()
    results = json_response.get("items", [])
    filtered_results = filter_by_whitelist(results, whitelist)
    return [
        SearchResult(
            link=result["link"],
            title=result.get("title"),
            snippet=result.get("snippet"),
        )
        for result in filtered_results
    ]