source: trunk/scripts/recompute-ratings @ 1184

#! /usr/bin/env php
<?php

// recomputes ratings *FROM SCRATCH*
// (deletes existing ratings)
//
// FIXME: It now relies on the `update-ratings` tool. This isn't
// very efficient since `update-ratings` always starts from scratch.

require_once(dirname($argv[0]) . "/utilities.php");
require_once(IA_ROOT_DIR."common/db/score.php");
db_connect();

// first, delete all ratings
log_print("Deleting all current ratings");
rating_clear();

$rounds = rating_rounds();

log_print("Recomputing ratings for ".count($rounds)." rounds...");
$i = 1;
$cnt = count($rounds);
foreach ($rounds as $round_id => $round) {
    echo "\n\n\nRound {$i}/{$cnt} - {$round_id}...\n";
    system("./update-ratings {$round_id}");
    $i++;
}

?>