estudIA-MCP

import os from typing import Any, Dict, List, Optional import httpx from urllib.parse import quote GOOGLE_PLACES_TEXTSEARCH_URL = "https://places.googleapis.com/v1/places:searchText" GOOGLE_PLACES_DETAILS_URL = "https://places.googleapis.com/v1/places/{place_id}" def _get_api_key() -> str: key = os.getenv("EXPO_PUBLIC_GOOGLE_MAPS_API_KEY") or os.getenv("GOOGLE_MAPS_API_KEY") if not key: raise RuntimeError("Falta EXPO_PUBLIC_GOOGLE_MAPS_API_KEY en el entorno del MCP.") return key def _headers(api_key: str, field_mask: Optional[str] = None) -> Dict[str, str]: headers = { "Content-Type": "application/json", "X-Goog-Api-Key": api_key, } if field_mask: headers["X-Goog-FieldMask"] = field_mask return headers def _fetch_details(api_key: str, place_id: str) -> Dict[str, Any]: mask = ",".join([ "id", "displayName", "formattedAddress", "location", "googleMapsUri", "websiteUri", "internationalPhoneNumber", "nationalPhoneNumber", ]) url = GOOGLE_PLACES_DETAILS_URL.format(place_id=place_id) with httpx.Client(timeout=20.0) as client: r = client.get(url, headers=_headers(api_key, mask)) r.raise_for_status() return r.json() def search_places(query: str, lat: Optional[float] = None, lng: Optional[float] = None, radius_m: int = 5000, limit: int = 5) -> Dict[str, Any]: api_key = _get_api_key() mask = ",".join([ "places.id", "places.displayName", "places.formattedAddress", "places.location", "places.googleMapsUri", ]) payload: Dict[str, Any] = {"textQuery": query} if lat is not None and lng is not None: payload["locationBias"] = { "circle": { "center": {"latitude": float(lat), "longitude": float(lng)}, "radius": float(radius_m), } } with httpx.Client(timeout=20.0) as client: r = client.post(GOOGLE_PLACES_TEXTSEARCH_URL, json=payload, headers=_headers(api_key, mask)) r.raise_for_status() data = r.json() places = data.get("places", [])[:limit] results: List[Dict[str, Any]] = [] for p in places: pid = p.get("id") name = None dn = p.get("displayName") if isinstance(dn, dict): name = dn.get("text") else: name = dn address = p.get("formattedAddress") loc = p.get("location") or {} latlng = (loc.get("latitude"), loc.get("longitude")) maps_url = p.get("googleMapsUri") phone = None try: if pid: details = _fetch_details(api_key, pid) phone = details.get("nationalPhoneNumber") or details.get("internationalPhoneNumber") maps_url = details.get("googleMapsUri") or maps_url if details.get("location"): latlng = ( details["location"].get("latitude", latlng[0]), details["location"].get("longitude", latlng[1]), ) except Exception: # No fallamos si details falla pass # Construir deep link para la app def q(v: Optional[Any]) -> str: if v is None: return "" return quote(str(v), safe="") deep_link = f"fiscai://place?name={q(name)}&address={q(address)}&lat={q(latlng[0])}&lng={q(latlng[1])}&placeId={q(pid)}&phone={q(phone)}" results.append({ "name": name, "address": address, "lat": latlng[0], "lng": latlng[1], "placeId": pid, "phone": phone, "mapsUrl": maps_url, "deepLink": deep_link, }) return {"query": query, "results": results}