39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
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from app.services.session_service import get_session
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from app.services.ws_manager import manager
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async def attempt_match(own_token: str, detected_token: str) -> dict:
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"""
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Check if two nearby users share interests and both consent.
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Sends a WebSocket nudge to both if matched.
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"""
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own_session = await get_session(own_token)
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other_session = await get_session(detected_token)
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if own_session is None or other_session is None:
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return {"match": False, "shared_interests": [], "nudge_sent": False}
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own_interests = set(own_session.get("interests", []))
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other_interests = set(other_session.get("interests", []))
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shared = list(own_interests & other_interests)
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if not shared:
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return {"match": False, "shared_interests": [], "nudge_sent": False}
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nudge = {
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"type": "nudge",
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"shared_interests": shared,
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"message": f"Someone nearby shares your interest in {_format_interests(shared)}.",
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}
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await manager.send(own_token, nudge)
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await manager.send(detected_token, nudge)
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return {"match": True, "shared_interests": shared, "nudge_sent": True}
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def _format_interests(interests: list[str]) -> str:
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if len(interests) == 1:
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return interests[0]
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return ", ".join(interests[:-1]) + " and " + interests[-1]
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