forked from Hanabi/hanabi-league
88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
from typing import List, Dict
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import utils
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from database import conn_manager
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from log_setup import logger
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def next_game_to_rate():
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cur = conn_manager.get_new_cursor()
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cur.execute("SELECT games.id FROM games "
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"LEFT OUTER JOIN user_ratings"
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" ON games.league_id = user_ratings.league_id "
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"WHERE user_ratings.league_id IS NULL "
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"ORDER BY games.league_id ASC "
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"LIMIT 1"
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)
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query_result = cur.fetchone()
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if query_result is None:
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return
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(game_id,) = query_result
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return game_id
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def get_current_ratings(user_ids: List[int], rating_type: int) -> Dict[int, float]:
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"""
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Fetches the current ratings for specified players and rating type from DB
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@return: Mapping user_id -> current rating
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"""
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cur = conn_manager.get_new_cursor()
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cur.execute("SELECT user_id, rating FROM user_base_ratings "
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"WHERE user_id IN ({}) AND type = %s".format(", ".join("%s" for _ in user_ids)),
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user_ids + [rating_type]
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)
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base_ratings = cur.fetchall()
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cur.execute("SELECT user_ratings.user_id, value_after FROM user_ratings "
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"INNER JOIN ("
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" SELECT user_id, type, MAX(league_id) AS max_league_id"
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" FROM user_ratings "
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" GROUP BY (user_id, type)"
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" ) AS latest_user_ratings "
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" ON user_ratings.league_id = latest_user_ratings.max_league_id "
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)
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current_ratings = cur.fetchall()
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ratings: Dict[int, float] = {}
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for user_id, base_rating in base_ratings:
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ratings[user_id] = base_rating
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for user_id, rating in current_ratings:
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ratings[user_id] = rating
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return ratings
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def process_rating_of_next_game():
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game_id = next_game_to_rate()
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if game_id is None:
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logger.info("All games already processed for rating changes.")
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return
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logger.verbose("Processing rating for game {}".format)
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cur = conn_manager.get_new_cursor()
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cur.execute("SELECT games.league_id, games.num_players, games.score, variants.num_suits, variants.clue_starved "
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"FROM games "
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"INNER JOIN variants "
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" ON games.variant_id = variants.id "
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"WHERE games.id = %s",
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(game_id,)
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)
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league_id, num_players, score, num_suits, clue_starved = cur.fetchone()
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cur.execute("SELECT game_participants.user_id FROM games "
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"INNER JOIN game_participants "
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" ON games.id = game_participants.game_id "
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"WHERE games.id = %s",
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(game_id,)
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)
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user_ids = cur.fetchall()
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if len(user_ids) != num_players:
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err_msg = "Player number mismatch: Expected {} participants for game {}, but only found {} in DB: [{}]".format(
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num_players, game_id, len(user_ids), ", ".join(user_ids)
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)
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logger.error(err_msg)
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raise ValueError(err_msg)
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rating_type = utils.get_rating_type(clue_starved)
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ratings = get_current_ratings(user_ids, rating_type)
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