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#!/usr/bin/python3

import configparser
import mysql.connector
import os

config = configparser.RawConfigParser()
config.read(os.path.dirname(os.path.realpath(__file__)) + "/../conf/config")

aur_db_host = config.get('database', 'host')
aur_db_name = config.get('database', 'name')
aur_db_user = config.get('database', 'user')
aur_db_pass = config.get('database', 'password')
aur_db_socket = config.get('database', 'socket')


def main():
    db = mysql.connector.connect(host=aur_db_host, user=aur_db_user,
                                 passwd=aur_db_pass, db=aur_db_name,
                                 unix_socket=aur_db_socket, buffered=True)
    cur = db.cursor()

    cur.execute("UPDATE PackageBases SET NumVotes = (" +
                "SELECT COUNT(*) FROM PackageVotes " +
                "WHERE PackageVotes.PackageBaseID = PackageBases.ID)")

    cur.execute("UPDATE PackageBases SET Popularity = (" +
                "SELECT COALESCE(SUM(POWER(0.98, (UNIX_TIMESTAMP() - VoteTS) / 86400)), 0.0) " +
                "FROM PackageVotes WHERE PackageVotes.PackageBaseID = " +
                "PackageBases.ID AND NOT VoteTS IS NULL)")

    db.commit()
    db.close()


if __name__ == '__main__':
    main()